L-band and S-band multichannel transmit-receive assembly

Abstract

The utility model relates to the technical field of wireless communication, and specifically relates to an L-band and S-band multichannel transmit-receive assembly. Comprising a multi-path receiving channel module, a multi-path transmitting channel module and a circuit board, the receiving channel module comprises five L-band receiving channels and four S-band receiving channels; the transmitting channel module comprises two L-band transmitting channels and two S-band transmitting channels; the L-band receiving channel is used for amplifying a signal input from the antenna; the S-band receiving channel is used for amplifying a signal input from the antenna; the L-band transmitting channel is used for amplifying a signal input from the DA; the S-band transmitting channel is used for amplifying a signal input from the DA, the receiving channel module and the transmitting channel module are mutually independent, the isolation degree between the channels is high, and the gain is controllable; a plurality of radio frequency front-end assemblies and transmitting assemblies are integrated into one module, the structure is compact, the installation is convenient, and the debugging is easy.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless communication, and in particular to an L-band and S-band multi-channel transceiver component. Background Art

[0002] As a component of the wireless communication system, the structure and performance of the transceiver component directly affect the entire wireless communication system. The communication AD of the existing wireless communication system adopts a direct sampling method, and the transceiver component is often composed of multiple receiving front-end components and transmitting components.

[0003] The above-mentioned transceiver component structure has low space utilization and is inconvenient to install, and cannot meet the needs of some applications with strict requirements on volume. Utility Model Content

[0004] The purpose of the utility model is to provide an L-band and S-band multi-channel transceiver component, which solves the problems of low space utilization and inconvenient installation of transceiver components in existing wireless communication systems, and cannot meet the requirements of some applications with strict volume requirements.

[0005] To achieve the above-mentioned purpose, the utility model adopts an L-band and S-band multi-channel transceiver assembly, comprising a multi-channel receiving channel module, a multi-channel transmitting channel module and a circuit board, wherein each receiving channel module and each transmitting channel module are respectively integrated on the circuit board;

[0006] The receiving channel module includes five L-band receiving channels and four S-band receiving channels, each L-band receiving channel is synchronously controlled in attenuation, and each S-band receiving channel is synchronously controlled in attenuation;

[0007] The transmission channel module includes two L-band transmission channels and two S-band transmission channels, the attenuation of each L-band transmission channel is synchronously controlled, and the attenuation of each S-band transmission channel is synchronously controlled;

[0008] The L-band receiving channel is used to amplify the 960-1520 MHz signal input from the antenna and output it;

[0009] The S-band receiving channel is used to amplify the 3100-4300 MHz signal input from the antenna and output it;

[0010] The L-band transmission channel is used to amplify the 960-1520 MHz signal input from the DA and output it;

[0011] The S-band transmitting channel is used to amplify the 3100-4300 MHz signal input from the DA and output it.

[0012] The channel frequencies of the L-band receiving channel and the L-band transmitting channel are 960 MHz to 1520 MHz, the gain of the L-band receiving channel is greater than or equal to 30 dB, and the input amplitude of the L-band transmitting channel is 0 dBm.

[0013] The channel frequencies of the S-band receiving channel and the S-band transmitting channel are 3100 MHz to 43000 MHz, the gain of the S-band receiving channel is greater than or equal to 30 dB, and the input amplitude of the S-band transmitting channel is -3 dBm.

[0014] The L-band transmission channel includes a filter LB11, an amplifier O11, a digitally controlled attenuator L11, and a filter LB12. The amplifier O11 is connected to the filter LB11 and the digitally controlled attenuator L11 respectively, and the filter LB12 is connected to the digitally controlled attenuator L11.

[0015] Among them, the L-band receiving channel includes a low-noise amplifier U1, a filter LB21, a digitally controlled attenuator L21, an amplifier O21, an amplifier O22, and a filter LB22. The filter LB21 is respectively connected to the low-noise amplifier U1 and the digitally controlled attenuator L21, the amplifier O21 is connected to the digitally controlled attenuator L21, and the amplifier O22 is respectively connected to the amplifier O21 and the filter LB22.

[0016] Among them, the S-band transmission channel includes a filter LB31, an amplifier O31, a digitally controlled attenuator L31, and a filter LB32. The amplifier O31 is connected to the filter LB31 and the digitally controlled attenuator L31 respectively, and the filter LB32 is connected to the digitally controlled attenuator L31.

[0017] Among them, the S-band receiving channel includes a low-noise amplifier U2, a filter LB41, a digitally controlled attenuator L41, an amplifier O41, an amplifier O42, and a filter LB42. The filter LB41 is respectively connected to the low-noise amplifier U2 and the digitally controlled attenuator L41, the amplifier O41 is connected to the digitally controlled attenuator L41, and the amplifier O42 is respectively connected to the amplifier O41 and the filter LB42.

[0018] The utility model discloses an L-band and S-band multi-channel transceiver component, which adopts multiple receiving channel modules and multiple transmitting channel modules integrated on the circuit board, wherein the receiving channel module includes five L-band receiving channels and four S-band receiving channels, and the transmitting channel module includes two L-band transmitting channels and two S-band transmitting channels; the L-band receiving channel is used to amplify the 960-1520MHz signal input from the antenna and output it; the S-band receiving channel is used to amplify the 3100-4300MHz signal input from the antenna and output it; the The L-band transmitting channel is used to amplify and output the 960-1520MHz signal input from the DA; the S-band transmitting channel is used to amplify and output the 3100-4300MHz signal input from the DA; the receiving channel module and the transmitting channel module are independent of each other, with high isolation between channels and controllable gain; the receiving channel module has an amplification pass-through function, and the L-band and S-band multi-channel transceiver components have current and voltage detection functions, thereby integrating multiple RF front-end components and transmitting components into one module, with a compact structure, easy installation, and easy debugging. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a circuit principle diagram of the L-band transmitting channel of the utility model.

[0021] Figure 2 It is a circuit principle diagram of the L-band receiving channel of the utility model.

[0022] Figure 3 It is a circuit principle diagram of the S-band transmitting channel of the utility model.

[0023] Figure 4 It is a circuit principle diagram of the S-band receiving channel of the utility model. DETAILED DESCRIPTION

[0024] See also Figure 1 to Figure 4 ,in Figure 1 This is the circuit schematic diagram of the L-band transmission channel. Figure 2 This is the circuit schematic of the L-band receiving channel. Figure 3 This is the circuit schematic diagram of the S-band transmission channel. Figure 4 This is the circuit schematic of the S-band receiving channel.

[0025] The utility model provides an L-band and S-band multi-channel transceiver assembly: comprising a multi-channel receiving channel module, a multi-channel transmitting channel module and a circuit board, wherein each receiving channel module and each transmitting channel module are respectively integrated on the circuit board;

[0026] The receiving channel module includes five L-band receiving channels and four S-band receiving channels, each L-band receiving channel is synchronously controlled in attenuation, and each S-band receiving channel is synchronously controlled in attenuation;

[0027] The transmission channel module includes two L-band transmission channels and two S-band transmission channels, the attenuation of each L-band transmission channel is synchronously controlled, and the attenuation of each S-band transmission channel is synchronously controlled;

[0028] The L-band receiving channel is used to amplify the 960-1520 MHz signal input from the antenna and output it;

[0029] The S-band receiving channel is used to amplify the 3100-4300 MHz signal input from the antenna and output it;

[0030] The L-band transmission channel is used to amplify the 960-1520 MHz signal input from the DA and output it;

[0031] The S-band transmitting channel is used to amplify the 3100-4300 MHz signal input from the DA and output it.

[0032] In this embodiment, multiple receiving channel modules and multiple transmitting channel modules are integrated on the circuit board, the receiving channel module includes five L-band receiving channels and four S-band receiving channels, and the transmitting channel module includes two L-band transmitting channels and two S-band transmitting channels; the L-band receiving channel is used to amplify the 960-1520 MHz signal input from the antenna and output it; the S-band receiving channel is used to amplify the 3100-4300 MHz signal input from the antenna and output it; the L-band transmitting channel Used to amplify the 960-1520MHz signal input from the DA and output it; the S-band transmitting channel is used to amplify the 3100-4300MHz signal input from the DA and output it; the receiving channel module and the transmitting channel module are independent of each other, with high isolation between channels and controllable gain; wherein the receiving channel module has an amplification pass-through function, and the L-band and S-band multi-channel transceiver components have current and voltage detection functions, realizing the integration of multiple RF front-end components and transmitting components in one module, with a compact structure, easy installation and easy debugging.

[0033] Furthermore, the channel frequencies of the L-band receiving channel and the L-band transmitting channel are 960 MHz to 1520 MHz, the gain of the L-band receiving channel is greater than or equal to 30 dB, and the input amplitude of the L-band transmitting channel is 0 dBm.

[0034] Furthermore, the channel frequencies of the S-band receiving channel and the S-band transmitting channel are 3100 MHz to 43000 MHz, the gain of the S-band receiving channel is greater than or equal to 30 dB, and the input amplitude of the S-band transmitting channel is -3 dBm.

[0035] In this embodiment, the channel frequency of the L-band receiving channel and the L-band transmitting channel is 960MHz~1520MHz, the gain of the L-band receiving channel is greater than or equal to 30dB, and the input amplitude of the L-band transmitting channel is 0dBm; the channel frequency of the S-band receiving channel and the S-band transmitting channel is 3100MHz~43000MHz, the gain of the S-band receiving channel is greater than or equal to 30dB, and the input amplitude of the S-band transmitting channel is -3dBm; the receiving channel module and the transmitting channel module are independent of each other, the isolation between channels is high, and the gain is controllable; wherein the receiving channel module has an amplification pass-through function, and the L-band and S-band multi-channel transceiver components have current and voltage detection functions, realizing the integration of multiple RF front-end components and transmitting components in one module, with compact structure, convenient installation and easy debugging.

[0036] Furthermore, the L-band transmission channel includes a filter LB11, an amplifier O11, a digitally controlled attenuator L11, and a filter LB12. The amplifier O11 is connected to the filter LB11 and the digitally controlled attenuator L11, respectively, and the filter LB12 is connected to the digitally controlled attenuator L11.

[0037] In this embodiment, the 960-1520 MHz signal input from the DA is filtered, attenuated, amplified, filtered in sequence through the filter LB11, the amplifier O11, the digitally controlled attenuator L11, and the filter LB12, and is finally output.

[0038] Furthermore, the L-band receiving channel includes a low-noise amplifier U1, a filter LB21, a digitally controlled attenuator L21, an amplifier O21, an amplifier O22, and a filter LB22. The filter LB21 is respectively connected to the low-noise amplifier U1 and the digitally controlled attenuator L21, the amplifier O21 is connected to the digitally controlled attenuator L21, and the amplifier O22 is respectively connected to the amplifier O21 and the filter LB22.

[0039] In this embodiment, the 960-1520 MHz signal input from the antenna is sequentially low-noise amplified, filtered, attenuated, amplified, amplifier, filtered, and finally outputted through the low-noise amplifier U1, the filter LB21, the digitally controlled attenuator L21, the amplifier O21, the amplifier O22, and the filter LB22.

[0040] Furthermore, the S-band transmission channel includes a filter LB31, an amplifier O31, a digitally controlled attenuator L31, and a filter LB32. The amplifier O31 is connected to the filter LB31 and the digitally controlled attenuator L31 respectively, and the filter LB32 is connected to the digitally controlled attenuator L31.

[0041] In this embodiment, the 3100-4300 MHz signal input from the DA is filtered, attenuated, amplified, filtered in sequence through the filter LB31, the amplifier O31, the digitally controlled attenuator L31, and the filter LB32, and is finally output.

[0042] Furthermore, the S-band receiving channel includes a low-noise amplifier U2, a filter LB41, a digitally controlled attenuator L41, an amplifier O41, an amplifier O42, and a filter LB42. The filter LB41 is respectively connected to the low-noise amplifier U2 and the digitally controlled attenuator L41, the amplifier O41 is connected to the digitally controlled attenuator L41, and the amplifier O42 is respectively connected to the amplifier O41 and the filter LB42.

[0043] In this embodiment, the 3100-4300 MHz signal input from the antenna is sequentially low-noise amplified, filtered, attenuated, amplified, amplifier, filtered, and finally outputted through the low-noise amplifier U2, the filter LB41, the digitally controlled attenuator L41, the amplifier O41, the amplifier O42, and the filter LB42.

[0044] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. An L-band and S-band multi-channel transceiver assembly, characterized in that: It comprises a multi-channel receiving channel module, a multi-channel transmitting channel module and a circuit board, wherein each receiving channel module and each transmitting channel module are respectively integrated on the circuit board; The receiving channel module includes five L-band receiving channels and four S-band receiving channels, each L-band receiving channel is synchronously controlled in attenuation, and each S-band receiving channel is synchronously controlled in attenuation; The transmission channel module includes two L-band transmission channels and two S-band transmission channels, the attenuation of each L-band transmission channel is synchronously controlled, and the attenuation of each S-band transmission channel is synchronously controlled; The L-band receiving channel is used to amplify the 960-1520 MHz signal input from the antenna and output it; The S-band receiving channel is used to amplify the 3100-4300 MHz signal input from the antenna and output it; The L-band transmission channel is used to amplify the 960-1520 MHz signal input from the DA and output it; The S-band transmitting channel is used to amplify the 3100-4300 MHz signal input from the DA and output it.

2. The L-band and S-band multi-channel transceiver assembly as claimed in claim 1, characterized in that: The channel frequencies of the L-band receiving channel and the L-band transmitting channel are 960 MHz to 1520 MHz, the gain of the L-band receiving channel is greater than or equal to 30 dB, and the input amplitude of the L-band transmitting channel is 0 dBm.

3. The L-band and S-band multi-channel transceiver assembly as claimed in claim 1, characterized in that: The channel frequencies of the S-band receiving channel and the S-band transmitting channel are 3100 MHz to 43000 MHz, the gain of the S-band receiving channel is greater than or equal to 30 dB, and the input amplitude of the S-band transmitting channel is -3 dBm.

4. The L-band and S-band multi-channel transceiver assembly as claimed in claim 1, characterized in that: The L-band transmission channel includes a filter LB11, an amplifier O11, a digitally controlled attenuator L11, and a filter LB12. The amplifier O11 is connected to the filter LB11 and the digitally controlled attenuator L11 respectively, and the filter LB12 is connected to the digitally controlled attenuator L11.

5. The L-band and S-band multi-channel transceiver assembly as claimed in claim 1, characterized in that: The L-band receiving channel includes a low-noise amplifier U1, a filter LB21, a digitally controlled attenuator L21, an amplifier O21, an amplifier O22, and a filter LB22. The filter LB21 is respectively connected to the low-noise amplifier U1 and the digitally controlled attenuator L21, the amplifier O21 is connected to the digitally controlled attenuator L21, and the amplifier O22 is respectively connected to the amplifier O21 and the filter LB22.

6. The L-band and S-band multi-channel transceiver assembly as claimed in claim 1, characterized in that: The S-band transmission channel includes a filter LB31, an amplifier O31, a digitally controlled attenuator L31, and a filter LB32. The amplifier O31 is connected to the filter LB31 and the digitally controlled attenuator L31 respectively, and the filter LB32 is connected to the digitally controlled attenuator L31.

7. The L-band and S-band multi-channel transceiver assembly as claimed in claim 1, characterized in that: The S-band receiving channel includes a low-noise amplifier U2, a filter LB41, a digitally controlled attenuator L41, an amplifier O41, an amplifier O42, and a filter LB42. The filter LB41 is respectively connected to the low-noise amplifier U2 and the digitally controlled attenuator L41, the amplifier O41 is connected to the digitally controlled attenuator L41, and the amplifier O42 is respectively connected to the amplifier O41 and the filter LB42.

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