X-band multifunctional multichannel transceiver assembly

Abstract

The invention discloses an X-frequency-band multifunctional multichannel transceiving assembly, and relates to the field of communication. The device comprises a transmitting part, a receiving part, a first duplexer, a second duplexer and a power supply conversion module, the transmitting part comprises a first attenuator, a first phase shifter, a first serial-to-parallel conversion module, a first amplifier, a first gating switch, a first switch bridge, a first transmitting channel and a second transmitting channel; and the receiving part comprises a first receiving channel, a second receiving channel, a second switch bridge, a second gating switch, a second phase shifter, a second serial-to-parallel conversion module, a second driving amplifier and a second attenuator. According to the invention, two-way transmitting and receiving are completed, and simultaneous transmitting and receiving are realized; the modular design is adopted, and assembly and maintenance are easy; the output power of the transmitting path is greater than or equal to 80W and the power consumption is less than or equal to 150W in a continuous wave working state, the gain of the receiving path is greater than or equal to 25dB, and the noise coefficient is less than or equal to 3dB; the method is suitable for an X-band high-power electronic countermeasure system.

Description

Technical Field

[0001] The invention relates to the field of communications, and in particular to an X-band multifunctional multi-channel transceiver component. Background Art

[0002] With the development of communication technology, transceiver components are receiving more and more attention from all parties. Some systems require that the transmitter and receiver work simultaneously without interfering with each other. When used in an antenna array, due to the high transmit power, if the transmit-receive isolation is small, the transmit power will leak into the receive channel, causing the receive channel to be in a nonlinear state. In addition, the traditional solution of using a transceiver switch or circulator to improve the transmit-receive isolation is not applicable in this system because the transmit-receive channels cannot work simultaneously. How to achieve simultaneous transmit-receive operation while meeting the low noise coefficient of the receiver has become a problem. Summary of the invention

[0003] In view of this, the present invention proposes an X-band multifunctional multi-channel transceiver assembly. The present invention has a simple structure, is easy to assemble, has a single-channel output power greater than or equal to 80W, and a power consumption less than 150W, which meets the use requirements of an X-band multifunctional multi-channel transceiver assembly with high power, small size, and simultaneous transmission and reception in an electronic countermeasure system.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0005] An X-band multifunctional multi-channel transceiver assembly, comprising a transmitting part, a receiving part, a first duplexer, a second duplexer and a power conversion module;

[0006] The transmitting part includes a first attenuator, a first phase shifter, a first serial-to-parallel conversion module, a first amplifier, a first gating switch, a first switch bridge, a first transmitting channel, and a second transmitting channel;

[0007] The first attenuator, the first phase shifter, the first amplifier, the first gating switch and the first switch bridge are connected in sequence, the input port of the first attenuator receives the signal to be transmitted, the output port of the first gating switch is connected to the common port of the first switch bridge, the first branch port and the second branch port of the first switch bridge are respectively connected to the first transmission channel and the second transmission channel; the first transmission channel and the second transmission channel both include a first driving amplifier, a second driving amplifier, an isolator and a power amplifier connected in sequence; the input port of the first driving amplifier is connected to the first branch port or the second branch port of the first switch bridge;

[0008] The first serial-to-parallel conversion module receives external serial control data, converts it into parallel control data, and transmits it to the control input port of the first phase shifter;

[0009] The receiving part includes a first receiving channel, a second receiving channel, a second switch bridge, a second gate switch, a second phase shifter, a second serial-to-parallel conversion module, a second driving amplifier and a second attenuator;

[0010] The first receiving channel and the second receiving channel both include a limiter, a low noise amplifier and a third driving amplifier connected in sequence; the output port of the third driving amplifier is connected to the first branch port or the second branch port of the second switch bridge;

[0011] The second gating switch, the second phase shifter, the second driving amplifier and the second attenuator are connected in sequence, the input port of the second gating switch is connected to the common port of the second switch bridge, and the output port of the second attenuator outputs the receiving signal;

[0012] The second serial-to-parallel conversion module receives external serial control data, converts it into parallel control data, and transmits it to the control input port of the second phase shifter;

[0013] The output port of the power amplifier of the first transmitting channel and the input port of the limiter of the first receiving channel are both connected to the input / output port on the same side of the first duplexer; the output port of the power amplifier of the second transmitting channel and the input port of the limiter of the second receiving channel are both connected to the input / output port on the same side of the second duplexer; the input / output ports on the other side of the first duplexer and the second duplexer are connected to the antenna port;

[0014] The side where the first duplexer and the second duplexer are connected to the X-band multifunctional multi-channel transceiver assembly is a coaxial connector, and the side where the first duplexer and the second duplexer are connected to the antenna port is a standard waveguide port;

[0015] The power conversion module is used to convert the +28V power supply voltage into the +5V and -5V voltages required inside the X-band multifunctional multi-channel transceiver component, and simultaneously realize the gate and drain bias power supply and power-on timing control of the power amplifier.

[0016] Furthermore, the switching states of the first gate switch and the second gate switch remain opposite.

[0017] Due to the adoption of the above technical solution, the beneficial effects of the present invention compared with the prior art are:

[0018] 1. The present invention adopts a cavity duplexer with high isolation and low insertion loss, which realizes isolation of high-power transmission and reception without affecting each other, and at the same time meets the index requirement of low noise coefficient.

[0019] 2. In the present invention, a switch bridge is used to divide the transmission excitation signal into two transmission channels, and at the same time, orthogonal output of the two transmission channels is achieved, which simplifies control and reduces costs.

[0020] 3. The present invention uses a customized multifunctional chip with high functional integration, which is easy to assemble and debugging-free. The module meets environmental test requirements through metal tube shell packaging. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The present invention is a schematic diagram of a radio frequency circuit structure of an X-band multi-function multi-channel transceiver component in an embodiment of the present invention.

[0022] Figure 2 The figure is a front view schematic diagram of the module structure of an X-band multifunctional multi-channel transceiver component in an embodiment of the present invention.

[0023] Figure 3 The figure is a schematic rear view of a module structure of an X-band multifunctional multi-channel transceiver assembly according to an embodiment of the present invention. DETAILED DESCRIPTION

[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0025] An X-band multifunctional multi-channel transceiver component, such as Figure 1 As shown, it includes a transmitting part, a receiving part, a first duplexer, a second duplexer and a power conversion module;

[0026] The transmitting part includes a first attenuator, a first phase shifter, a first serial-to-parallel conversion module, a first amplifier, a first gating switch, a first switch bridge, a first transmitting channel, and a second transmitting channel;

[0027] The first attenuator, the first phase shifter, the first amplifier, the first gating switch and the first switch bridge are connected in sequence, the input port of the first attenuator receives the signal to be transmitted, the output port of the first gating switch is connected to the common port of the first switch bridge, the first branch port and the second branch port of the first switch bridge are respectively connected to the first transmission channel and the second transmission channel; the first transmission channel and the second transmission channel both include a first driving amplifier, a second driving amplifier, an isolator and a power amplifier connected in sequence; the input port of the first driving amplifier is connected to the first branch port or the second branch port of the first switch bridge;

[0028] The first serial-to-parallel conversion module receives external serial control data, converts it into parallel control data, and transmits it to the control input port of the first phase shifter;

[0029] The receiving part includes a first receiving channel, a second receiving channel, a second switch bridge, a second gate switch, a second phase shifter, a second serial-to-parallel conversion module, a second driving amplifier and a second attenuator;

[0030] The first receiving channel and the second receiving channel both include a limiter, a low noise amplifier and a third driving amplifier connected in sequence; the output port of the third driving amplifier is connected to the first branch port or the second branch port of the second switch bridge;

[0031] The second gating switch, the second phase shifter, the second driving amplifier and the second attenuator are connected in sequence, the input port of the second gating switch is connected to the common port of the second switch bridge, and the output port of the second attenuator outputs the receiving signal;

[0032] The second serial-to-parallel conversion module receives external serial control data, converts it into parallel control data, and transmits it to the control input port of the second phase shifter;

[0033] The output port of the power amplifier of the first transmitting channel and the input port of the limiter of the first receiving channel are both connected to the input / output port on the same side of the first duplexer; the output port of the power amplifier of the second transmitting channel and the input port of the limiter of the second receiving channel are both connected to the input / output port on the same side of the second duplexer; the input / output ports on the other side of the first duplexer and the second duplexer are connected to the antenna port;

[0034] The side where the first duplexer and the second duplexer are connected to the X-band multifunctional multi-channel transceiver assembly is a coaxial connector, and the side where the first duplexer and the second duplexer are connected to the antenna port is a standard waveguide port;

[0035] The power conversion module is used to convert the +28V power supply voltage into the +5V and -5V voltages required inside the X-band multifunctional multi-channel transceiver component, and simultaneously realize the gate and drain bias power supply and power-on timing control of the power amplifier.

[0036] Furthermore, the switching states of the first gate switch and the second gate switch remain opposite.

[0037] Specifically, in this embodiment, Figure 2 , Figure 3 As shown, according to the functional division, it includes a transmitting part 1, a receiving part 2, a control board 3 and a duplexer 4. The transmitting part 1 and the receiving part 2 are in the same box as the duplexer 4; the control board 3 is connected to the transmitting part 1 and the receiving part 2 through a wire and a DC insulator.

[0038] The transmitting part 1 includes a transmitting multifunctional chip 1.1, a switch bridge 1.2, a driving amplifier 1.3, a driving amplifier 1.4, an isolator 1.5 and a final amplifier 1.6, which divide, phase-shift and amplify the radio frequency power in the transmitting part 1; the switch bridge 1.2, the driving amplifier 1.3 and the driving amplifier 1.4 are sealed by laser sealing to achieve airtightness.

[0039] Specifically, the transmitting multifunctional chip 1.1 includes a first attenuator, a first phase shifter, a first serial-to-parallel conversion module, a first amplifier, and a first selection switch;

[0040] The receiving part 2 includes a limiting multifunctional chip 2.1, a driving amplifier 2.2 and a switch bridge multifunctional chip 2.3; the receiving part 2 is packaged by a metal tube shell to achieve airtightness.

[0041] Specifically, the switch bridge multifunctional chip 2.3 includes a second switch bridge, a second selection switch, a second phase shifter, a second serial-to-parallel conversion module, a second driving amplifier and a second attenuator;

[0042] The control board 3 is a power conversion module, which is used to convert the +28V power supply voltage into the +5V and -5V voltages required inside the component, and at the same time realize the gate and drain bias power supply and power-on timing control of the final amplifier 1.3.

[0043] The side where the duplexer 4 is connected to the X-band multifunctional multi-channel transceiver component is a standard waveguide port, and the side where the duplexer 4 is connected to the antenna port is a coaxial connector, which has good out-of-band suppression, so that the system has better transceiver isolation and realizes simultaneous transmission and reception.

[0044] Specifically, the working principle of this embodiment is:

[0045] The switch bridge of the transmitting part divides the transmitting excitation signal into two transmitting channels to realize the orthogonal output of the two transmitting channels. The phase relationship of the output signal is switched by the switch bridge. The switch bridge module of the receiving part synthesizes the two received signals into a common receiving channel. The phase relationship of the two received signals is switched by the switch bridge. The transmitting and receiving antennas use a duplexer to ensure simultaneous transmission and reception.

[0046] The serial-to-parallel circuit in the channel converts the received serial data into the parallel data required by the digitally controlled phase shifter.

[0047] The power conversion module converts the +28V power supply voltage into the +5V, -5V and other voltages required by the components.

[0048] In summary, the present invention has a simple structure and is easy to assemble. The single-channel output power is greater than or equal to 80W and the power consumption is less than 150W, which meets the use requirements of X-band multifunctional multi-channel transceiver components with high power, small size and simultaneous transmission and reception in electronic countermeasure systems.

[0049] Those skilled in the art will appreciate that the embodiments described 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 the embodiments described. 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. An X-band multifunctional multi-channel transceiver component, characterized in that: It includes a transmitting part, a receiving part, a first duplexer, a second duplexer and a power conversion module; The transmitting part includes a first attenuator, a first phase shifter, a first serial-to-parallel conversion module, a first amplifier, a first gating switch, a first switch bridge, a first transmitting channel, and a second transmitting channel; The first attenuator, the first phase shifter, the first amplifier, the first gating switch and the first switch bridge are connected in sequence, the input port of the first attenuator receives the signal to be transmitted, the output port of the first gating switch is connected to the common port of the first switch bridge, the first branch port and the second branch port of the first switch bridge are respectively connected to the first transmission channel and the second transmission channel; the first transmission channel and the second transmission channel both include a first driving amplifier, a second driving amplifier, an isolator and a power amplifier connected in sequence; the input port of the first driving amplifier is connected to the first branch port or the second branch port of the first switch bridge; The first serial-to-parallel conversion module receives external serial control data, converts it into parallel control data, and transmits it to the control input port of the first phase shifter; The receiving part includes a first receiving channel, a second receiving channel, a second switch bridge, a second gate switch, a second phase shifter, a second serial-to-parallel conversion module, a second driving amplifier and a second attenuator; The first receiving channel and the second receiving channel both include a limiter, a low noise amplifier and a third driving amplifier connected in sequence; the output port of the third driving amplifier is connected to the first branch port or the second branch port of the second switch bridge; The second gating switch, the second phase shifter, the second driving amplifier and the second attenuator are connected in sequence, the input port of the second gating switch is connected to the common port of the second switch bridge, and the output port of the second attenuator outputs the receiving signal; The second serial-to-parallel conversion module receives external serial control data, converts it into parallel control data, and transmits it to the control input port of the second phase shifter; The output port of the power amplifier of the first transmitting channel and the input port of the limiter of the first receiving channel are both connected to the input / output port on the same side of the first duplexer; The output port of the power amplifier of the second transmitting channel and the input port of the limiter of the second receiving channel are both connected to the input / output port on the same side of the second duplexer; the input / output ports on the other side of the first duplexer and the second duplexer are connected to the antenna port; The side where the first duplexer and the second duplexer are connected to the X-band multifunctional multi-channel transceiver assembly is a coaxial connector, and the side where the first duplexer and the second duplexer are connected to the antenna port is a standard waveguide port; The power conversion module is used to convert the +28V power supply voltage into the +5V and -5V voltages required inside the X-band multifunctional multi-channel transceiver component, and simultaneously realize the gate and drain bias power supply and power-on timing control of the power amplifier.

2. The X-band multifunctional multi-channel transceiver assembly according to claim 1, characterized in that: The switching states of the first gate switch and the second gate switch remain opposite.

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