Signal transmitting and receiving device based on high-integration and large-dynamic dual wavebands

Abstract

The invention discloses a signal transmitting and receiving device based on high-integration and large-dynamic dual wavebands. The signal transmitting and receiving device comprises a receiving unit, a transmitting unit and a local oscillation source unit. In the receiving unit part, two paths of received SC wave band signals are respectively switched through a single-pole double-throw switch, then twice frequency conversion is realized in a frequency conversion unit, finally, filtering and amplification processing is carried out, and required intermediate frequency signals are output; the two paths of received X-band signals are switched through a single-pole double-throw switch, then primary frequency conversion is realized in a frequency conversion unit, finally filtering and amplification processing is carried out, required intermediate frequency signals are output, meanwhile, the two paths of received SC-band signals and the two paths of X-band signals are attenuated and amplified, then DLVA detection processing is carried out, and in the transmitting unit part, the two paths of received SC-band signals and the two paths of X-band signals are transmitted to the receiving unit part. The low-frequency signal to be processed is subjected to frequency conversion twice to obtain a required output frequency band signal, and the frequency conversion device has the advantages of being high in integration level and universality, good in economic benefit and wide in market demand prospect.

Description

Technical Field

[0001] The invention belongs to the technical field of electronic countermeasures, and in particular relates to a signal transceiver device based on high integration and large dynamic dual bands. Background Art

[0002] In the field of electronic countermeasure technology, the signal transceiver plays a vital role. It converts the received broadband signal into a low intermediate frequency signal and outputs it to the receiver for signal processing and analysis. At the same time, it can also excite the intermediate frequency signal to be transmitted after frequency conversion.

[0003] The existing signal transceiver has a fixed gain when processing the received antenna signal, resulting in a large fluctuation in the output signal power when the dynamic range of the input signal is large. It is more complicated for the receiver to process such a signal, and the effect is not good when performing reconnaissance interference. When the power of the received antenna signal varies greatly, in order to make it easier for the subsequent receiver to process the signal, it is necessary to keep the signal power of the receiver within a small range, that is, the signal transceiver is required to have a higher stable amplitude and phase dynamic range. At the same time, the instantaneous bandwidth of the existing signal transceiver is narrow, and the frequency range of the processed signal is relatively limited, which seriously affects the reconnaissance interference effect. In addition, when the signal transceiver performs DLVA detection on the received antenna signal, the higher its sensitivity and the better the channel consistency, the more accurate the direction finding and ranging processing will be, and the better the reconnaissance interference effect will be achieved.

[0004] The existing transceiver has poor integration in miniaturized structure, small dynamic range of stable amplitude and phase, narrow instantaneous bandwidth, low DLVA sensitivity, and poor DLVA channel consistency, which greatly limits the receiver's receiving frequency range and signal processing power. At the same time, the existing signal transceiver requires an external local oscillator source when mixing the signal, especially when multiple local oscillators are needed, manual insertion operation is required one by one. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a signal transceiver device based on high integration and large dynamic dual band, which has two built-in local oscillator sources and has the advantages of ultra-high stable amplitude and phase dynamic range, ultra-high instantaneous bandwidth, ultra-high DLVA sensitivity, high integration and miniaturization.

[0006] The technical solution adopted by the present invention is: a signal transceiver device based on high integration and large dynamic dual bands, comprising: a receiving unit, a transmitting unit, and a local oscillator source unit.

[0007] The local oscillator source unit inputs the local oscillator signal to the receiving unit and the transmitting unit respectively; the receiving unit inputs the receiving input signal and outputs the receiving output unit; the transmitting unit inputs the up-converted input signal and outputs the transmitting output signal.

[0008] The receiving unit includes: a digitally controlled attenuator 1, a digitally controlled attenuator 2, a digitally controlled attenuator 3, a digitally controlled attenuator 4, a filter 1, a filter 2, a filter 3, a filter 4, a filter 5, a filter 6, a filter 7, a filter 8, a filter 9, a filter 10, a filter 11, a filter 12, a filter 13, a power divider 1, a power divider 2, a power divider 3, a power divider 4, a single-pole double-throw switch 1, a single-pole double-throw switch 2, a single-pole double-throw switch 3, an attenuator 1, an attenuator 2, an attenuator 3, an attenuator 4, an attenuator 5, an attenuator 6, Attenuator 7, attenuator 8, attenuator 9, attenuator 10, attenuator 17, attenuator 19, attenuator 20, amplifier 1, amplifier 2, amplifier 3, amplifier 4, amplifier 5, amplifier 6, amplifier 7, amplifier 8, amplifier 9, amplifier 10, amplifier 11, amplifier 12, amplifier 13, amplifier 20, SDLVA1, SDLVA2, SDLVA3, SDLVA4, mixer 1, mixer 2, mixer 3, temperature compensated attenuator 1, temperature compensated attenuator 2, equalizer 1.

[0009] Input signal SC band 1 is input to one end of digital controlled attenuator 1, and the other end of digital controlled attenuator 1 is connected to one end of filter 1; the other end of filter 1 is connected to the input end of power divider 1; the upper output end of power divider 1 is connected to one end of attenuator 17, the other end of attenuator 17 is connected to one end of amplifier 1, the other end of amplifier 1 is connected to one end of SDLVA1, and the other end of SDLVA1 outputs video detection output 1; the lower output end of power divider 1 is connected to the fixed end of single-pole double-throw switch 1, the moving end of single-pole double-throw switch 1 is connected to one end of amplifier 2; the other end of amplifier 2 is connected to one end of digital controlled attenuator 2, and the other end of digital controlled attenuator 2 is connected to one end of filter 3; filter The other end of the mixer 3 is connected to one end of the mixer 1, and the other end of the mixer 1 is connected to one end of the filter 4; the other end of the filter 4 is connected to one end of the amplifier 3, and the other end of the amplifier 3 is connected to one end of the attenuator 1; the other end of the attenuator 1 is connected to one end of the amplifier 4, and the other end of the amplifier 4 is connected to one end of the attenuator 2; the other end of the attenuator 2 is connected to one end of the amplifier 5, and the other end of the amplifier 5 is connected to one end of the attenuator 3; the other end of the attenuator 3 is connected to one end of the amplifier 7, and the other end of the amplifier 7 is connected to one end of the attenuator 4; the other end of the attenuator 4 is connected to one end of the filter 5; the other end of the filter 5 is connected to one end of the temperature compensation attenuator 1; the other end of the temperature compensation attenuator 1 ... One end is connected to one end of attenuator 5; the other end of attenuator 5 is connected to one end of mixer 2, and the other end of mixer 2 is connected to filter 6; the other end of filter 6 is connected to one end of amplifier 8, and the other end of amplifier 8 is connected to one end of filter 7; the other end of filter 7 is connected to the fixed end of single-pole double-throw switch 2, and the moving end of single-pole double-throw switch 2 is connected to one end of digitally controlled attenuator 7; the other end of digitally controlled attenuator 7 is connected to equalizer 1, and the other end of equalizer 1 outputs down-converted output signal 1; input signal SC band 2 is input to one end of digitally controlled attenuator 2, and the other end of digitally controlled attenuator 2 is connected to one end of filter 2; the other end of filter 2 is connected to the input end of power divider 2, and the power divider The upper output end of the power divider 2 is connected to the lower fixed end of the single-pole double-throw switch 1; the lower output end of the power divider 2 is connected to one end of the attenuator 6, the other end of the attenuator 6 is connected to one end of the amplifier 6, the other end of the amplifier 6 is connected to one end of SDLVA2, and the other end of SDLVA2 outputs the video detection output 2; the input signal X-band 1 is input to one end of the digitally controlled attenuator 3, and the other end of the digitally controlled attenuator 3 is connected to the input end of the power divider 3; the upper output end of the power divider 3 is connected to one end of the filter 11, the other end of the filter 11 is connected to one end of the amplifier 20, the other end of the amplifier 20 is connected to one end of the attenuator 19, the other end of the attenuator 19 is connected to one end of SDLVA3, and SDLVA 3 outputs the video detection output 3 at the other end; the lower output end of the power divider 3 is connected to the fixed end of the single-pole double-throw switch 3, and the moving end of the single-pole double-throw switch 3 is connected to one end of the filter 12; the other end of the filter 12 is connected to one end of the amplifier 12, and the other end of the amplifier 12 is connected to the attenuator 9; the other end of the attenuator 9 is connected to the amplifier 11, and the other end of the amplifier 11 is connected to one end of the amplifier 10;The other end of the amplifier 10 is connected to one end of the attenuator 10, and the other end of the attenuator 10 is connected to one end of the temperature compensation attenuator 2; the other end of the temperature compensation attenuator 2 is connected to one end of the filter 10, and the other end of the filter 10 is connected to one end of the attenuator 7; the other end of the attenuator 7 is connected to one end of the mixer 3, and the other end of the mixer 3 is connected to one end of the attenuator 8; the other end of the attenuator 8 is connected to one end of the filter 9, and the other end of the filter 9 is connected to one end of the amplifier 9; the other end of the amplifier 9 is connected to the filter 8, and the other end of the filter 8 is connected to The fixed end of the single-pole double-throw switch 2 is connected; the input signal X-band 2 is input to one end of the digital control attenuator 4, the other end of the digital control attenuator 4 is connected to the input end of the power divider 4, and the upper output end of the power divider 4 is connected to the fixed end of the single-pole double-throw switch 3; the lower output end of the power divider 4 is connected to one end of the filter 13, the other end of the filter 13 is connected to one end of the amplifier 13, the other end of the amplifier 13 is connected to one end of the attenuator 20, the other end of the attenuator 20 is connected to one end of the SDLVA4, and the other end of the SDLVA4 outputs the video detection output 4. ;

[0010] The transmitting unit includes: an equalizer 2, a filter 14, a filter 15, a filter 16, a filter 17, a filter 18, an amplifier 14, an amplifier 15, an amplifier 16, an amplifier 17, an amplifier 18, an amplifier 19, an attenuator 11, an attenuator 12, an attenuator 13, an attenuator 14, an attenuator 15, an attenuator 16, an attenuator 26, an attenuator 18, a mixer 4, a mixer 5, a single-pole double-throw switch 4, a digitally controlled attenuator 5, a digitally controlled attenuator 6, a single-pole single-throw switch 1, a single-pole single-throw switch 2, a coupler 1, a power divider 5, and a power divider 6.

[0011] The up-converted input signal is input to one end of the equalizer 2, and the other end of the equalizer 2 is connected to one end of the filter 14; the other end of the filter 14 is connected to one end of the amplifier 16; the other end of the amplifier 16 is connected to the attenuator 11, and the other end of the attenuator 11 is connected to one end of the mixer 4; the other end of the mixer 4 is connected to the moving end of the single-pole double-throw switch 4, the upper fixed end of the single-pole double-throw switch 4 is connected to one end of the amplifier 14, and the lower fixed end of the single-pole double-throw switch 4 is connected to one end of the filter 18; the other end of the amplifier 14 is connected to the attenuator The attenuator 12 is connected to one end of the filter 15, and the other end of the attenuator 12 is connected to one end of the amplifier 15; the other end of the amplifier 15 is connected to one end of the digitally controlled attenuator 6, and the other end of the digitally controlled attenuator 6 is connected to the moving end of the single-pole single-throw switch 1; the fixed end of the single-pole single-throw switch 1 is connected to one end of the filter 15, and the other end of the filter 15 is connected to the input end of the coupler 1, and the output end of the coupler 1 outputs the X-band transmission signal output, and the coupling end of the coupler 1 is connected to one end of the attenuator 13; the other end of the attenuator 13 is connected to the upper input end of the power divider 6 The output signal of the power divider 6 is monitored; the other end of the filter 18 is connected to one end of the amplifier 17, and the other end of the amplifier 17 is connected to one end of the attenuator 14; the other end of the attenuator 14 is connected to one end of the mixer 5; the other end of the mixer 5 is connected to one end of the attenuator 15, and the other end of the attenuator 15 is connected to one end of the filter 16; the other end of the filter 16 is connected to one end of the amplifier 18, and the other end of the amplifier 18 is connected to one end of the attenuator 16; the other end of the attenuator 16 is connected to one end of the amplifier 19. The other end of the amplifier 19 is connected to one end of the digitally controlled attenuator 5; the other end of the digitally controlled attenuator 5 is connected to the moving end of the single-pole single-throw switch 2, and the fixed end of the single-pole single-throw switch 2 is connected to one end of the filter 17; the other end of the filter 17 is connected to one end of the attenuator 26, and the other end of the attenuator 26 is connected to the input end of the power divider 5, the upper output end of the power divider 5 outputs the SC band transmission signal output, and the lower output end of the power divider 5 is connected to one end of the attenuator 18; the other end of the attenuator 18 is connected to the lower input end of the power divider 6.

[0012] The local oscillator source unit includes: a crystal oscillator, a power divider 7, a power divider 8, a power divider 9, a power divider 10, a power divider 11, a power divider 12, a phase detector 1, a phase detector 2, an attenuator 21, an attenuator 22, an attenuator 23, an attenuator 24, an attenuator 25, a VCO 1, a VCO2, an amplifier 21, an amplifier 22, an amplifier 23, an amplifier 24, an amplifier 25, an amplifier 26, and a filter 19.

[0013] Wherein, the local oscillator source 1 includes: a phase detector 1, a VCO 1, a power divider 8, and an attenuator 21; the local oscillator source 2 includes: a phase detector 2, a VCO 2, a power divider 9, and an attenuator 22;

[0014] The crystal oscillator is input to the power divider 7, and the output end of the power divider 7 is connected to the input ends of the phase detector 1 and the phase detector 2 respectively; the output end of the phase detector 1 is connected to one end of the VCO 1, and the other end of the VCO 1 is connected to the input end of the power divider 8; the output end of the power divider 8 is connected to one end of the attenuator 21 and the input end of the power divider 10 respectively, and the other end of the attenuator 21 is connected to the input end of the phase detector 1; the output end of the power divider 10 is connected to one end of the amplifier 21 and the amplifier 22 respectively, and the other end of the amplifier 21 outputs the local oscillator signal 1; the other end of the amplifier 22 is connected to one end of the attenuator 23; the other end of the attenuator 23 outputs the local oscillator signal 2; the output end of the phase detector 2 is connected to the VCO 2, and the other end of VCO2 is connected to the input end of power divider 9; the output end of power divider 9 is respectively connected to one end of attenuator 22 and the input end of power divider 11, and the other end of attenuator 22 is connected to the input end of phase detector 2; the output end of power divider 11 is respectively connected to one end of amplifier 23 and one end of amplifier 24, and the other end of amplifier 24 outputs local oscillator signal 3; the other end of amplifier 23 is connected to one end of attenuator 24, and the other end of attenuator 24 is connected to the input end of power divider 12; the output end of power divider 12 is respectively connected to one end of amplifier 25 and one end of amplifier 26, and the other end of amplifier 25 outputs local oscillator signal 4; the other end of amplifier 26 is connected to one end of filter 19, and the other end of filter 19 is connected to one end of attenuator 25, and the other end of attenuator 25 outputs local oscillator signal 5.

[0015] Furthermore, in the signal transceiver device, in the local oscillator source unit, local oscillator signal 1 and local oscillator signal 2 are output through local oscillator source 1, and local oscillator signal 3, local oscillator signal 4, and local oscillator signal 5 are output through local oscillator source 2. Local oscillator signals 1, 4, and 5 are input into the receiving unit, and local oscillator signals 2 and 3 are input into the transmitting unit.

[0016] Among them, local oscillator signal 1 is input into mixer 1, local oscillator signal 4 is input into mixer 2, local oscillator signal 5 is input into mixer 3, local oscillator signal 3 is input into mixer 4, and local oscillator signal 2 is input into mixer 5.

[0017] Furthermore, the signal transceiver device includes 4 working modes, including SC band receiving mode, X band receiving mode, SC band transmitting mode, and X band transmitting mode. Four MMIC electronic switches are used to quickly switch between SC and X band signals and between transceiver modes. The switching time between different working modes is ≤50ns. The entire device is installed in a sealed box body. The internal cavity design can effectively solve the electromagnetic compatibility problem in the closed space. The cover plate is laser sealed to ensure airtightness.

[0018] Furthermore, the signal transceiver includes the following technical indicators:

[0019] (1) Receiving channel gain ≥ 50dB; (2) Receiving channel flatness ≤ ±1.5dB; (3) Receiving channel stable amplitude and phase dynamic range ≥ 80dB; (4) Receiving channel instantaneous dynamic range ≥ 70dB; (5) Transmitting channel output power ≥ 15dBm; (6) Spurious suppression ≥ 35dBc; (7) Transmit-receive switching time ≤ 50ns; (8) DLVA sensitivity ≥ 75dB; (9) DLVA channel consistency ≤ ±20mV; (10) Intermediate frequency instantaneous bandwidth ≥ 4GHz.

[0020] Furthermore, in the signal transceiver device, the entire receiving unit and the transmitting unit are integrated on the same RF substrate, the interface mode selects the SSMP interface, an integrated LC filter is used, and the link layout is performed using vertical interconnection technology. The size of the entire device is 310mm*45mm*18mm. The production process of the local oscillator part adopts a miniaturized design of metal airtight tube shell packaging, and in terms of assembly process, the assembly method of the local oscillator is SMT patch installation.

[0021] Beneficial effects of the present invention: The signal transceiver device of the present invention comprises: a receiving unit, a transmitting unit, and a local oscillator source unit. The multiplexing of the local oscillator source is realized by the built-in local oscillator source, and the fast switching of different working frequency bands in the receiving and transmitting modes is realized by the electronic switch. In the receiving unit part, the present invention implements two frequency conversions in the frequency conversion unit after the two SC band signals received are switched through the single-pole double-throw switch, and finally performs filtering and amplification processing to output the required intermediate frequency signal. The two X band signals received are switched through the single-pole double-throw switch and then perform one frequency conversion in the frequency conversion unit, and finally performs filtering and amplification processing to output the required intermediate frequency signal. At the same time, the two SC band signals and the two X band signals received are attenuated and amplified, and then DLVA detection processing is performed. In the transmitting unit part, the low frequency signal to be processed is converted twice to obtain the required output frequency band signal. The present invention has the advantages of high integration and strong versatility, has achieved good economic benefits, and has broad market demand prospects. It is a signal transceiver device for electronic reconnaissance and electronic countermeasures with ultra-high stable amplitude and phase dynamic range, ultra-high instantaneous bandwidth, ultra-high DLVA sensitivity, high integration and miniaturization. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The structure diagram of a signal transceiver device based on high integration and large dynamic dual band of the present invention.

[0023] Figure 2 It is a principle block diagram of a receiving unit in an embodiment of the present invention.

[0024] Figure 3 1 is a principle block diagram of a transmitting unit in an embodiment of the present invention.

[0025] Figure 4It is a principle block diagram of the local oscillator source unit in an embodiment of the present invention. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0027] like Figure 1 As shown, a signal transceiver device based on high integration and large dynamic dual bands of the present invention includes: a receiving unit, a transmitting unit, and a local oscillator source unit.

[0028] The local oscillator source unit inputs the local oscillator signal to the receiving unit and the transmitting unit respectively; the receiving unit inputs the receiving input signal and outputs the receiving output unit; the transmitting unit inputs the up-converted input signal and outputs the transmitting output signal.

[0029] like Figure 2 As shown, the receiving unit includes: digital control attenuator 1, digital control attenuator 2, digital control attenuator 3, digital control attenuator 4, filter 1, filter 2, filter 3, filter 4, filter 5, filter 6, filter 7, filter 8, filter 9, filter 10, filter 11, filter 12, filter 13, power divider 1, power divider 2, power divider 3, power divider 4, single-pole double-throw switch 1, single-pole double-throw switch 2, single-pole double-throw switch 3, attenuator 1, attenuator 2, attenuator 3, attenuator 4, attenuator 5, attenuator 6, attenuator 7, attenuator 8, attenuator 9, attenuator 10, attenuator 17, attenuator 19, attenuator 20, amplifier 1, amplifier 2, amplifier 3, amplifier 4, amplifier 5, amplifier 6, amplifier 7, amplifier 8, amplifier 9, amplifier 10, amplifier 11, amplifier 12, amplifier 13, amplifier 20, SDLVA1, SDLVA2, SDLVA3, SDLVA4, mixer 1, mixer 2, mixer 3, temperature compensated attenuator 1, temperature compensated attenuator 2, equalizer 1.

[0030] The input signal SC band 1 is input to one end of the digital controlled attenuator 1, and the other end of the digital controlled attenuator 1 is connected to one end of the filter 1; the other end of the filter 1 is connected to the input end of the power divider 1; the upper output end of the power divider 1 is connected to one end of the attenuator 17, the other end of the attenuator 17 is connected to one end of the amplifier 1, the other end of the amplifier 1 is connected to one end of the SDLVA1, and the other end of the SDLVA1 outputs the video detection output 1; the lower output end of the power divider 1 is connected to the fixed end of the single-pole double-throw switch 1, and the moving end of the single-pole double-throw switch 1 is connected to one end of the amplifier 2; the other end of the amplifier 2 is connected to one end of the digital controlled attenuator 2, and the other end of the digital controlled attenuator 2 is connected to one end of the filter 3; the other end of the filter 3 is connected to one end of the mixer 1, and the other end of the mixer 1 is connected to one end of the filter 4; The other end of filter 4 is connected to one end of amplifier 3, and the other end of amplifier 3 is connected to one end of attenuator 1; the other end of attenuator 1 is connected to one end of amplifier 4, and the other end of amplifier 4 is connected to one end of attenuator 2; the other end of attenuator 2 is connected to one end of amplifier 5, and the other end of amplifier 5 is connected to one end of attenuator 3; the other end of attenuator 3 is connected to one end of amplifier 7, and the other end of amplifier 7 is connected to one end of attenuator 4; the other end of attenuator 4 is connected to one end of filter 5; the other end of filter 5 is connected to one end of temperature compensated attenuator 1; the other end of temperature compensated attenuator 1 is connected to one end of attenuator 5; the other end of attenuator 5 is connected to one end of mixer 2, and the other end of mixer 2 is connected to filter 6; the other end of filter 6 is connected to one end of amplifier 8, and amplifier 8 is connected to one end of attenuator 4. 8 is connected to one end of filter 7; the other end of filter 7 is connected to the fixed end of single-pole double-throw switch 2, and the moving end of single-pole double-throw switch 2 is connected to one end of digitally controlled attenuator 7; the other end of digitally controlled attenuator 7 is connected to equalizer 1, and the other end of equalizer 1 outputs down-converted output signal 1; input signal SC band 2 is input to one end of digitally controlled attenuator 2, and the other end of digitally controlled attenuator 2 is connected to one end of filter 2; the other end of filter 2 is connected to the input end of power divider 2, and the upper output end of power divider 2 is connected to the fixed end of single-pole double-throw switch 1; the lower output end of power divider 2 is connected to one end of attenuator 6, and the other end of attenuator 6 is connected to one end of amplifier 6, and the other end of amplifier 6 is connected to one end of SDLVA2, and the other end of SDLVA2 outputs video detection output 2; input The input signal X-band 1 is input to one end of the digital controlled attenuator 3, and the other end of the digital controlled attenuator 3 is connected to the input end of the power divider 3; the upper output end of the power divider 3 is connected to one end of the filter 11, and the other end of the filter 11 is connected to one end of the amplifier 20, and the other end of the amplifier 20 is connected to one end of the attenuator 19, and the other end of the attenuator 19 is connected to one end of the SDLVA3, and the other end of the SDLVA3 outputs the video detection output 3; the lower output end of the power divider 3 is connected to the fixed end of the single-pole double-throw switch 3, and the moving end of the single-pole double-throw switch 3 is connected to one end of the filter 12; the other end of the filter 12 is connected to one end of the amplifier 12, and the other end of the amplifier 12 is connected to the attenuator 9; the other end of the attenuator 9 is connected to the amplifier 11, and the other end of the amplifier 11 is connected to one end of the amplifier 10;The other end of the amplifier 10 is connected to one end of the attenuator 10, and the other end of the attenuator 10 is connected to one end of the temperature compensation attenuator 2; the other end of the temperature compensation attenuator 2 is connected to one end of the filter 10, and the other end of the filter 10 is connected to one end of the attenuator 7; the other end of the attenuator 7 is connected to one end of the mixer 3, and the other end of the mixer 3 is connected to one end of the attenuator 8; the other end of the attenuator 8 is connected to one end of the filter 9, and the other end of the filter 9 is connected to one end of the amplifier 9; the other end of the amplifier 9 is connected to the filter 8, and the other end of the filter 8 is connected to the fixed end of the single-pole double-throw switch 2; the input signal X-band 2 is input to one end of the digital control attenuator 4, and the other end of the digital control attenuator 4 is connected to the input end of the power divider 4, and the upper output end of the power divider 4 is connected to the fixed end of the single-pole double-throw switch 3; the lower output end of the power divider 4 is connected to one end of the filter 13, and the other end of the filter 13 is connected to one end of the amplifier 13, and the other end of the amplifier 13 is connected to one end of the attenuator 20, and the other end of the attenuator 20 is connected to one end of the SDLVA 4, SDLVA 4 The other end outputs the video detection output 4. ;

[0031] In this embodiment, in the receiving unit, the two SC band signals are switched through the single-pole double-throw switch and then frequency conversion is performed twice in the frequency conversion unit, and finally processed by the intermediate frequency filter amplifier unit, and finally the required intermediate frequency signal is output. The two X band signals are switched through the single-pole double-throw switch and then frequency conversion is performed once in the frequency conversion unit, and finally processed by the intermediate frequency filter amplifier unit, and finally the required intermediate frequency signal is output. At the same time, the two SC band signals and the two X band signals received are subjected to SDLVA detection processing. In the transmitting unit, the low frequency signal to be processed is subjected to two frequency conversions to obtain the required output frequency band signal.

[0032] Filter 1, filter 2, filter 3, filter 10, filter 12, amplifier 2, amplifier 10, amplifier 11, amplifier 12 are used to filter and amplify the received SC and X-band input signals to eliminate the influence of the spurious signals in the input signals on the intermediate frequency signals. Digital controlled attenuator 1, digital controlled attenuator 2, digital controlled attenuator 3, digital controlled attenuator 4 are 1-bit large-step digital controlled attenuators used for the input of high-power signals to make the high-power signals work in the linear region. Power divider 1, power divider 2, power divider 3, power divider 4 are used for power distribution, one way for SDLVA to perform video detection, one way for frequency conversion, and output the required intermediate frequency signal. Attenuator 6, attenuator 17, attenuator 19, attenuator 20, amplifier 1, amplifier 6, amplifier 13, amplifier 20 amplify and attenuate the signals entering SDLVA to ensure the high sensitivity of DLVA detection. SPDT switch 1 is used to switch between two SC band input signals, SPDT switch 2 is used to switch between two X band input signals, filter 4 and filter 5 perform bandpass filtering on the intermediate frequency signal after the first mixing of the SC band input signal to eliminate the influence of the spurious signal after the first mixing on the final output intermediate frequency signal. Amplifier 3, amplifier 4, amplifier 5, and amplifier 7 amplify the intermediate frequency signal after the first mixing of the SC band input signal, filter 6 and filter 7 filter the intermediate frequency signal after the second frequency conversion of the SC band input signal to eliminate unnecessary spurious signals, and amplifier 8 amplifies the intermediate frequency signal after the second frequency conversion of the SC band input signal. Digitally controlled attenuators 2 and 3 achieve fine-tuning of the gain of the entire link. Filters 8 and 9, and amplifier 9 perform filtering and amplification processing on the intermediate frequency signal after the X-band input signal is frequency-converted once. Single-pole double-throw switch 2 is used for switching between SC-band receiving signal output and X-band receiving output. Temperature compensators 1 and 2 are used to compensate for the temperature characteristics of the amplifier and reduce the gain fluctuation of the link under high and low temperature environments. The final-stage digitally controlled attenuator 7 is used to fine-tune the gain of the entire receiving unit. Equalizer 1 performs gain equalization processing on the final output intermediate frequency signal to ensure good flatness.

[0033] like Figure 3 As shown, the transmitting unit includes: an equalizer 2, a filter 14, a filter 15, a filter 16, a filter 17, a filter 18, an amplifier 14, an amplifier 15, an amplifier 16, an amplifier 17, an amplifier 18, an amplifier 19, an attenuator 11, an attenuator 12, an attenuator 13, an attenuator 14, an attenuator 15, an attenuator 16, an attenuator 26, an attenuator 18, a mixer 4, a mixer 5, a single-pole double-throw switch 4, a digitally controlled attenuator 5, a digitally controlled attenuator 6, a single-pole single-throw switch 1, a single-pole single-throw switch 2, a coupler 1, a power divider 5, and a power divider 6.

[0034] The up-converted input signal is input to one end of the equalizer 2, and the other end of the equalizer 2 is connected to one end of the filter 14; the other end of the filter 14 is connected to one end of the amplifier 16; the other end of the amplifier 16 is connected to the attenuator 11, and the other end of the attenuator 11 is connected to one end of the mixer 4; the other end of the mixer 4 is connected to the moving end of the single-pole double-throw switch 4, the upper fixed end of the single-pole double-throw switch 4 is connected to one end of the amplifier 14, and the lower fixed end of the single-pole double-throw switch 4 is connected to one end of the filter 18; the other end of the amplifier 14 is connected to the attenuator The attenuator 12 is connected to one end of the filter 15, and the other end of the attenuator 12 is connected to one end of the amplifier 15; the other end of the amplifier 15 is connected to one end of the digitally controlled attenuator 6, and the other end of the digitally controlled attenuator 6 is connected to the moving end of the single-pole single-throw switch 1; the fixed end of the single-pole single-throw switch 1 is connected to one end of the filter 15, and the other end of the filter 15 is connected to the input end of the coupler 1, and the output end of the coupler 1 outputs the X-band transmission signal output, and the coupling end of the coupler 1 is connected to one end of the attenuator 13; the other end of the attenuator 13 is connected to the upper input end of the power divider 6 The output signal of the power divider 6 is monitored; the other end of the filter 18 is connected to one end of the amplifier 17, and the other end of the amplifier 17 is connected to one end of the attenuator 14; the other end of the attenuator 14 is connected to one end of the mixer 5; the other end of the mixer 5 is connected to one end of the attenuator 15, and the other end of the attenuator 15 is connected to one end of the filter 16; the other end of the filter 16 is connected to one end of the amplifier 18, and the other end of the amplifier 18 is connected to one end of the attenuator 16; the other end of the attenuator 16 is connected to one end of the amplifier 19. The other end of the amplifier 19 is connected to one end of the digitally controlled attenuator 5; the other end of the digitally controlled attenuator 5 is connected to the moving end of the single-pole single-throw switch 2, and the fixed end of the single-pole single-throw switch 2 is connected to one end of the filter 17; the other end of the filter 17 is connected to one end of the attenuator 26, and the other end of the attenuator 26 is connected to the input end of the power divider 5, the upper output end of the power divider 5 outputs the SC band transmission signal output, and the lower output end of the power divider 5 is connected to one end of the attenuator 18; the other end of the attenuator 18 is connected to the lower input end of the power divider 6.

[0035] The equalizer 2 and the filter 14 perform equalization and filtering on the up-converted input intermediate frequency signal to ensure that the input signal has good flatness. It is first converted to the X-band once, and then switched through the single-pole double-throw switch 4. One path is converted to the SC band for the second time, and the other path is filtered and amplified before output. The filter 18 and the amplifier 17 filter and amplify the signal that is converted to the X-band for the first time, and then converted to the SC band for the second time. The filter 16 and the filter 17 filter the signal converted to the SC band to eliminate unnecessary spurious. The amplifier 18 and the amplifier 19 amplify the signal converted to the SC band. The digitally controlled attenuator 5 and the digitally controlled attenuator 6 are used to fine-tune the final output power. The power divider 5 distributes the power of the SC band RF output signal, outputs it directly on one path, and outputs it in combination with the X-band RF output signal after attenuation on the other path. The filter 15 and the amplifiers 14 and 15 filter and amplify the X-band RF output signal. The single-pole single-throw switch 1 and the single-pole single-throw switch 2 control the on and off of the RF output signal, and the on and off isolation reaches 50dBC. The coupler 1 couples the X-band RF output signal. The through end directly outputs the X-band RF output signal. The coupled end is attenuated by the attenuator 13 and then combined with the SC-band RF output signal for output. The output of the coupled end is used for signal monitoring.

[0036] like Figure 4 As shown, the local oscillator source unit includes: a crystal oscillator, a power divider 7, a power divider 8, a power divider 9, a power divider 10, a power divider 11, a power divider 12, a phase detector 1, a phase detector 2, an attenuator 21, an attenuator 22, an attenuator 23, an attenuator 24, an attenuator 25, a VCO 1, a VCO 2, an amplifier 21, an amplifier 22, an amplifier 23, an amplifier 24, an amplifier 25, an amplifier 26, and a filter 19.

[0037] Wherein, the local oscillator source 1 includes: a phase detector 1, a VCO 1, a power divider 8, and an attenuator 21; the local oscillator source 2 includes: a phase detector 2, a VCO 2, a power divider 9, and an attenuator 22;

[0038] The crystal oscillator is input to the power divider 7, and the output end of the power divider 7 is connected to the input ends of the phase detector 1 and the phase detector 2 respectively; the output end of the phase detector 1 is connected to one end of the VCO 1, and the other end of the VCO 1 is connected to the input end of the power divider 8; the output end of the power divider 8 is connected to one end of the attenuator 21 and the input end of the power divider 10 respectively, and the other end of the attenuator 21 is connected to the input end of the phase detector 1; the output end of the power divider 10 is connected to one end of the amplifier 21 and the amplifier 22 respectively, and the other end of the amplifier 21 outputs the local oscillator signal 1; the other end of the amplifier 22 is connected to one end of the attenuator 23; the other end of the attenuator 23 outputs the local oscillator signal 2; the output end of the phase detector 2 is connected to the VCO 2, and the other end of VCO2 is connected to the input end of power divider 9; the output end of power divider 9 is respectively connected to one end of attenuator 22 and the input end of power divider 11, and the other end of attenuator 22 is connected to the input end of phase detector 2; the output end of power divider 11 is respectively connected to one end of amplifier 23 and one end of amplifier 24, and the other end of amplifier 24 outputs local oscillator signal 3; the other end of amplifier 23 is connected to one end of attenuator 24, and the other end of attenuator 24 is connected to the input end of power divider 12; the output end of power divider 12 is respectively connected to one end of amplifier 25 and one end of amplifier 26, and the other end of amplifier 25 outputs local oscillator signal 4; the other end of amplifier 26 is connected to one end of filter 19, and the other end of filter 19 is connected to one end of attenuator 25, and the other end of attenuator 25 outputs local oscillator signal 5.

[0039] The local oscillator source unit uses two built-in local oscillator sources, adopts traditional phase-locked loop technology, and externally inputs a crystal reference signal. The main loop includes a phase detector, a VCO, a power divider, and a feedback loop attenuator. The loop control unit is controlled by a single-chip microcomputer, and the control method adopts parallel transmission. Figure 4 The power dividers 10, 11 and 12 in the device distribute power of the output local oscillator signal, thereby providing local oscillator input for the receiving unit and the transmitting unit of the entire device, thereby realizing multiplexing of the built-in local oscillator.

[0040] In this embodiment, the signal transceiver device includes 4 working modes, including SC band receiving mode, X band receiving mode, SC band transmitting mode, and X band transmitting mode. Four MMIC electronic switches are used to quickly switch between SC and X band signals and between transceiver modes. The switching time between different working modes is ≤50ns. The entire device is installed in a closed box body. The internal cavity design can effectively solve the electromagnetic compatibility problem in the closed space. The cover plate is laser sealed to ensure airtightness.

[0041] In this embodiment, the signal transceiver device includes the following technical indicators:

[0042] (1) Receiving channel gain ≥ 50dB; (2) Receiving channel flatness ≤ ±1.5dB; (3) Receiving channel stable amplitude and phase dynamic range ≥ 80dB; (4) Receiving channel instantaneous dynamic range ≥ 70dB; (5) Transmitting channel output power ≥ 15dBm; (6) Spurious suppression ≥ 35dBc; (7) Transmit-receive switching time ≤ 50ns; (8) DLVA sensitivity ≥ 75dB; (9) DLVA channel consistency ≤ ±20mV; (10) Intermediate frequency instantaneous bandwidth ≥ 4GHz.

[0043] Among them, in the link of the receiving channel, the final stage of the transmitting channel is equipped with a small-step digital attenuator, and the receiving channel link gain and the transmitting output power are fine-tuned by changing the attenuation code in the single-chip microcomputer, without replacing the actual device. A 1-bit large-step digital attenuator is set before the receiving channel to adjust the dynamic range according to the input signal power to achieve a stable amplitude and phase dynamic range of ≥80dB for the entire receiving channel. The micro-assembly part of the signal transceiver device integrates the SDLVA packaged by MMIC, and performs attenuation and amplification processing before the signal enters the SDLVA, ensuring the high sensitivity of the DLVA.

[0044] In this embodiment, in the signal transceiver device, the entire receiving unit and the transmitting unit are both micro-assembled, and LC bandpass filters are integrated at the final stage of the SC band and X band receiving channels, respectively. At the same time, an equalizer is set at the final stage of the receiving unit, and the instantaneous dynamic range of the receiving channel reaches 70dB, the instantaneous bandwidth reaches 4GHz, and has good flatness. The entire receiving unit and the transmitting unit are integrated on the same RF substrate, the interface mode selects the SSMP interface, an integrated LC filter is used, and the link layout is performed using vertical interconnection technology, which reduces the size and space required for the entire device. The size of the entire device is 310mm*45mm*18mm, and the stable amplitude and phase dynamic range is ≥80dB, achieving a high degree of integration of the entire device.

[0045] In this embodiment, in the signal transceiver device, the local oscillator source adopts a miniaturized design of metal airtight tube shell packaging in the production process, which reduces its own volume and improves reliability. In terms of assembly process, the local oscillator source is assembled by SMT patch installation, which is easy to integrate with a flat circuit board.

[0046] In summary, in the receiving unit part of the present invention, the two SC band signals received are switched through a single-pole double-throw switch respectively, and then two frequency conversions are realized in the frequency conversion unit, and finally filtering and amplifying processing are performed to output the required intermediate frequency signal. The two X band signals received are switched through a single-pole double-throw switch, and then one frequency conversion is realized in the frequency conversion unit, and finally filtering and amplifying processing are performed to output the required intermediate frequency signal. At the same time, the two SC band signals and two X band signals received are attenuated and amplified, and then DLVA detection processing is performed. In the transmitting unit part, the low frequency signal to be processed is converted twice to obtain the required output frequency band signal. It has the advantages of high integration and strong versatility, has achieved good economic benefits, and has broad market demand prospects. It is a signal transceiver device with ultra-high stable amplitude and phase dynamic range, ultra-high instantaneous bandwidth, ultra-high DLVA sensitivity, high integration, and miniaturization for electronic reconnaissance and electronic countermeasures.

[0047] Those skilled in the art will appreciate that the embodiments described herein are intended to help readers understand the principles of the present invention, and should be understood that the scope of protection of the present invention is not limited to such specific statements and embodiments. For those skilled in the art, the present invention may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A signal transceiver device based on high integration and large dynamic dual band, comprising: Receiving unit, transmitting unit, local oscillator unit; The local oscillator source unit inputs the local oscillator signal to the receiving unit and the transmitting unit respectively; The receiving unit input receives the input signal, and the output receives the output unit; The transmitting unit inputs an up-converted input signal and outputs a transmitting output signal; The receiving unit comprises: a digitally controlled attenuator (1), a digitally controlled attenuator (2), a digitally controlled attenuator (3), a digitally controlled attenuator (4), a filter (1), a filter (2), a filter (3), a filter (4), a filter (5), a filter (6), a filter (7), a filter (8), a filter (9), a filter (10), a filter (11), a filter (12), a filter (13), a power divider (1), a power divider (2), a power divider (3), a power divider (4), a single-pole double-throw switch (1), a single-pole double-throw switch (2), a single-pole double-throw switch (3), an attenuator (1), an attenuator (2), an attenuator (3), an attenuator (4), an attenuator (5), an attenuator (6), an attenuator Attenuator (7), attenuator (8), attenuator (9), attenuator (10), attenuator (17), attenuator (19), attenuator (20), amplifier (1), amplifier (2), amplifier (3), amplifier (4), amplifier (5), amplifier (6), amplifier (7), amplifier (8), amplifier (9), amplifier (10), amplifier (11), amplifier (12), amplifier (13), amplifier (20), SDLVA (1), SDLVA (2), SDLVA (3), SDLVA (4), mixer (1), mixer (2), mixer (3), temperature compensated attenuator (1), temperature compensated attenuator (2), equalizer (1); The input signal SC band (1) is input to one end of the digital controlled attenuator (1), and the other end of the digital controlled attenuator (1) is connected to one end of the filter (1); the other end of the filter (1) is connected to the input end of the power divider (1); the upper output end of the power divider (1) is connected to one end of the attenuator (17), the other end of the attenuator (17) is connected to one end of the amplifier (1), the other end of the amplifier (1) is connected to one end of the SDLVA (1), and the other end of the SDLVA (1) outputs the video detection output (1); the lower output end of the power divider (1) is connected to the fixed end of the single-pole double-throw switch (1), the moving end of the single-pole double-throw switch (1) is connected to one end of the amplifier (2); the other end of the amplifier (2) is connected to One end of the digital controlled attenuator (2) is connected, and the other end of the digital controlled attenuator (2) is connected to one end of the filter (3); the other end of the filter (3) is connected to one end of the mixer (1), and the other end of the mixer (1) is connected to one end of the filter (4); the other end of the filter (4) is connected to one end of the amplifier (3), and the other end of the amplifier (3) is connected to one end of the attenuator (1); the other end of the attenuator (1) is connected to one end of the amplifier (4), and the other end of the amplifier (4) is connected to one end of the attenuator (2); the other end of the attenuator (2) is connected to one end of the amplifier (5), and the other end of the amplifier (5) is connected to one end of the attenuator (3); the other end of the attenuator (3) is connected to the amplifier (7). One end of the attenuator (4) is connected to the amplifier (7); the other end of the attenuator (4) is connected to one end of the filter (5); the other end of the filter (5) is connected to one end of the temperature compensation attenuator (1); the other end of the temperature compensation attenuator (1) is connected to one end of the attenuator (5); the other end of the attenuator (5) is connected to one end of the mixer (2), and the other end of the mixer (2) is connected to the filter (6); the other end of the filter (6) is connected to one end of the amplifier (8), and the other end of the amplifier (8) is connected to one end of the filter (7); the other end of the filter (7) is connected to the fixed end of the single-pole double-throw switch (2), and the moving end of the single-pole double-throw switch (2) is connected to the digital control attenuator. The digital controlled attenuator (7) is connected to one end of the attenuator (7); the other end of the digital controlled attenuator (7) is connected to the equalizer (1), and the other end of the equalizer (1) outputs the down-converted output signal (1); the input signal SC band (2) is input to one end of the digital controlled attenuator (2), and the other end of the digital controlled attenuator (2) is connected to one end of the filter (2); the other end of the filter (2) is connected to the input end of the power divider (2), and the upper output end of the power divider (2) is connected to the lower fixed end of the single-pole double-throw switch (1); the lower output end of the power divider (2) is connected to one end of the attenuator (6), and the other end of the attenuator (6) is connected to one end of the amplifier (6), and the other end of the amplifier (6) is connected to one end of the SDLVA (2), and the other end of the SDLVA (2) outputs the video detection output (2); the input signal X band (1) is input to one end of the digital controlled attenuator (3), and the other end of the digital controlled attenuator (3) is connected to the input end of the power divider (3);The upper output end of the power divider (3) is connected to one end of the filter (11), the other end of the filter (11) is connected to one end of the amplifier (20), the other end of the amplifier (20) is connected to one end of the attenuator (19), the other end of the attenuator (19) is connected to one end of the SDLVA (3), and the other end of the SDLVA (3) outputs the video detection output (3); the lower output end of the power divider (3) is connected to the upper fixed end of the single-pole double-throw switch (3), and the moving end of the single-pole double-throw switch (3) is connected to one end of the filter (12); The other end of the filter (12) is connected to one end of the amplifier (12), and the other end of the amplifier (12) is connected to the attenuator (9); the other end of the attenuator (9) is connected to the amplifier (11), and the other end of the amplifier (11) is connected to one end of the amplifier (10); the other end of the amplifier (10) is connected to one end of the attenuator (10), and the other end of the attenuator (10) is connected to one end of the temperature compensation attenuator (2); the other end of the temperature compensation attenuator (2) is connected to one end of the filter (10), and the filter (10) is connected to one end of the attenuator (10). ) is connected to one end of an attenuator (7); the other end of the attenuator (7) is connected to one end of a mixer (3), the other end of the mixer (3) is connected to one end of an attenuator (8); the other end of the attenuator (8) is connected to one end of a filter (9), the other end of the filter (9) is connected to one end of an amplifier (9); the other end of the amplifier (9) is connected to the filter (8), the other end of the filter (8) is connected to the fixed end of a single-pole double-throw switch (2); the input signal X-band (2) is input to one end of a digitally controlled attenuator (4) , the other end of the digital controlled attenuator (4) is connected to the input end of the power divider (4), the upper output end of the power divider (4) is connected to the lower fixed end of the single-pole double-throw switch (3); the lower output end of the power divider (4) is connected to one end of the filter (13), the other end of the filter (13) is connected to one end of the amplifier (13), the other end of the amplifier (13) is connected to one end of the attenuator (20), the other end of the attenuator (20) is connected to one end of the SDLVA (4), and the other end of the SDLVA (4) outputs the video detection output (4); The transmitting unit comprises: an equalizer (2), a filter (14), a filter (15), a filter (16), a filter (17), a filter (18), an amplifier (14), an amplifier (15), an amplifier (16), an amplifier (17), an amplifier (18), an amplifier (19), an attenuator (11), an attenuator (12), an attenuator (13), an attenuator (14), an attenuator (15), an attenuator (16), an attenuator (26), an attenuator (18), a mixer (4), a mixer (5), a single-pole double-throw switch (4), a digitally controlled attenuator (5), a digitally controlled attenuator (6), a single-pole single-throw switch (1), a single-pole single-throw switch (2), a coupler (1), a power divider (5), and a power divider (6); The up-converted input signal is input to one end of the equalizer (2), and the other end of the equalizer (2) is connected to one end of the filter (14); the other end of the filter (14) is connected to one end of the amplifier (16); the other end of the amplifier (16) is connected to the attenuator (11), and the other end of the attenuator (11) is connected to one end of the mixer (4); the other end of the mixer (4) is connected to the moving end of the single-pole double-throw switch (4), the upper fixed end of the single-pole double-throw switch (4) is connected to one end of the amplifier (14), and the lower fixed end of the single-pole double-throw switch (4) is connected to one end of the filter (18); the other end of the amplifier (14) is connected to the attenuator (11). The attenuator (12) is connected to one end of the filter (12), and the other end of the attenuator (12) is connected to one end of the amplifier (15); the other end of the amplifier (15) is connected to one end of the digitally controlled attenuator (6), and the other end of the digitally controlled attenuator (6) is connected to the moving end of the single-pole single-throw switch (1); the fixed end of the single-pole single-throw switch (1) is connected to one end of the filter (15), and the other end of the filter (15) is connected to the input end of the coupler (1); the output end of the coupler (1) outputs an X-band transmission signal output, and the coupling end of the coupler (1) is connected to one end of the attenuator (13); the other end of the attenuator (13) is connected to the upper input end of the power divider (6). The output signal of the power divider (6) is monitored; the other end of the filter (18) is connected to one end of the amplifier (17), and the other end of the amplifier (17) is connected to one end of the attenuator (14); the other end of the attenuator (14) is connected to one end of the mixer (5); the other end of the mixer (5) is connected to one end of the attenuator (15), and the other end of the attenuator (15) is connected to one end of the filter (16); the other end of the filter (16) is connected to one end of the amplifier (18), and the other end of the amplifier (18) is connected to one end of the attenuator (16); the other end of the attenuator (16) is connected to the amplifier (19). One end of the amplifier (19) is connected, and the other end of the amplifier (19) is connected to one end of the digitally controlled attenuator (5); the other end of the digitally controlled attenuator (5) is connected to the moving end of the single-pole single-throw switch (2), and the fixed end of the single-pole single-throw switch (2) is connected to one end of the filter (17); the other end of the filter (17) is connected to one end of the attenuator (26), and the other end of the attenuator (26) is connected to the input end of the power divider (5); the upper output end of the power divider (5) outputs the SC band transmission signal output, and the lower output end of the power divider (5) is connected to one end of the attenuator (18); the other end of the attenuator (18) is connected to the lower input end of the power divider (6); The local oscillator source unit comprises: a crystal oscillator, a power divider (7), a power divider (8), a power divider (9), a power divider (10), a power divider (11), a power divider (12), a phase detector (1), a phase detector (2), an attenuator (21), an attenuator (22), an attenuator (23), an attenuator (24), an attenuator (25), a VCO (1), a VCO (2), an amplifier (21), an amplifier (22), an amplifier (23), an amplifier (24), an amplifier (25), an amplifier (26), and a filter (19); The local oscillator source (1) includes: a phase detector (1), a VCO (1), a power divider (8), and an attenuator (21); the local oscillator source (2) includes: a phase detector (2), a VCO (2), a power divider (9), and an attenuator (22); The crystal oscillator is input to a power divider (7), and the output end of the power divider (7) is respectively connected to the input ends of the phase detector (1) and the phase detector (2); the output end of the phase detector (1) is connected to one end of the VCO (1), and the other end of the VCO (1) is connected to the input end of the power divider (8); the output end of the power divider (8) is respectively connected to one end of the attenuator (21) and the input end of the power divider (10), and the other end of the attenuator (21) is connected to the input end of the phase detector (1); the output end of the power divider (10) is respectively connected to one end of the amplifier (21) and the amplifier (22), and the other end of the amplifier (21) outputs a local oscillation signal (1); the other end of the amplifier (22) is connected to one end of the attenuator (23); the other end of the attenuator (23) outputs a local oscillation signal (2); the output end of the phase detector (2) is connected to one end of the VCO (2), and the other end of the VCO (2) is connected to the input end of the power divider (9). The power divider (9) is connected to one end of the attenuator (22) and the input end of the power divider (11), and the other end of the attenuator (22) is connected to the input end of the phase detector (2); the output end of the power divider (11) is connected to one end of the amplifier (23) and one end of the amplifier (24), and the other end of the amplifier (24) outputs the local oscillator signal (3); the other end of the amplifier (23) is connected to one end of the attenuator (24), and the other end of the attenuator (24) is connected to the input end of the power divider (12); the output end of the power divider (12) is connected to one end of the amplifier (25) and one end of the amplifier (26), and the other end of the amplifier (25) outputs the local oscillator signal (4); the other end of the amplifier (26) is connected to one end of the filter (19), and the other end of the filter (19) is connected to one end of the attenuator (25), and the other end of the attenuator (25) outputs the local oscillator signal (5).

2. A signal transceiver device based on high integration and large dynamic dual band according to claim 1, characterized in that: In the signal transceiver device, in the local oscillator source unit, local oscillator signals (1) and (2) are output through the local oscillator source (1), local oscillator signals (3), (4) and (5) are output through the local oscillator source (2), local oscillator signals (1), (4) and (5) are input into the receiving unit, and local oscillator signals (2) and (3) are input into the transmitting unit; The local oscillator signal (1) is input into the mixer (1), the local oscillator signal (4) is input into the mixer (2), the local oscillator signal (5) is input into the mixer (3), the local oscillator signal (3) is input into the mixer (4), and the local oscillator signal (2) is input into the mixer (5).

3. The signal transceiver device based on high integration and large dynamic dual band according to claim 1, characterized in that: The signal transceiver device includes four working modes, namely, SC band receiving mode, X band receiving mode, SC band transmitting mode, and X band transmitting mode. Four MMIC electronic switches are used to quickly switch between SC and X band signals and between the transceiver modes. The switching time between different working modes is ≤50ns. The entire device is installed in a closed box body. The internal cavity design can effectively solve the electromagnetic compatibility problem inside the closed space. The cover plate is laser sealed to ensure airtightness.

4. The signal transceiver device based on high integration and large dynamic dual band according to claim 1, characterized in that: The signal transceiver device includes the following technical indicators: (1) Receiving channel gain ≥ 50dB; (2) Receiving channel flatness ≤ ±1.5dB; (3) Receiving channel stable amplitude and phase dynamic range ≥ 80dB; (4) Receiving channel instantaneous dynamic range ≥ 70dB; (5) Transmitting channel output power ≥ 15dBm; (6) Spurious suppression ≥ 35dBc; (7) Transmit-receive switching time ≤ 50ns; (8) DLVA sensitivity ≥ 75dB; (9) DLVA channel consistency ≤ ±20mV; (10) Intermediate frequency instantaneous bandwidth ≥ 4GHz.

5. The signal transceiver device based on high integration and large dynamic dual band according to claim 1, characterized in that: In the signal transceiver device, the entire receiving unit and the transmitting unit are integrated on the same RF substrate, the SSMP interface is selected as the interface mode, an integrated LC filter is adopted, and the link layout is performed using vertical interconnection technology. The size of the entire device is 310mm*45mm*18mm, and the production process of the local oscillator part adopts a miniaturized design of metal airtight tube shell packaging. In terms of assembly process, the assembly method of the local oscillator is SMT patch installation.

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