CN216696648U - Millimeter wave broadband multichannel TR (transmitter-receiver) component - Google Patents
Millimeter wave broadband multichannel TR (transmitter-receiver) component Download PDFInfo
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- CN216696648U CN216696648U CN202122583017.2U CN202122583017U CN216696648U CN 216696648 U CN216696648 U CN 216696648U CN 202122583017 U CN202122583017 U CN 202122583017U CN 216696648 U CN216696648 U CN 216696648U
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Abstract
The utility model provides a millimeter wave broadband multichannel TR component, which comprises a multichannel T component, a power distribution network, a multichannel R component, a power synthesis network, a highly integrated independent power supply and a comprehensive control board, wherein the millimeter wave broadband multichannel TR component is realized by combining a broadband technology with the integrated independent power supply and the comprehensive control board, so that on one hand, the anti-interference capability of a communication system is improved, the application requirements of radar on different detection distances and detection precision are met, on the other hand, the integration level of the TR component is improved, the complexity of a waveform control unit is reduced, in addition, the frequency band of the multichannel TR component is extremely wide, the effective utilization bandwidth of 8GHz from a millimeter wave band is realized, the relative bandwidth is more up to 22 percent, and the working frequency band and the anti-interference capability are improved.
Description
Technical Field
The utility model belongs to the field of TR (transmitter and receiver) components, in particular relates to a millimeter wave broadband multi-channel TR component, and is particularly suitable for a millimeter wave frequency band broadband continuous wave active phased array antenna system.
Background
The active phased array antenna is widely applied to military radar, communication, electronic countermeasure and other systems, and the TR component is a core component in the active solid-state phased array radar and occupies a great position in the current phased array radar system. The millimeter wave active phased array antenna does not need a scanning servo mechanism, and the damage of a part of TR components does not cause the obvious degradation of the radio frequency performance of the antenna, and has higher reliability compared with a mechanical scanning antenna and a centralized transceiving system. Along with the gradual expansion of the working frequency band, the TR component of the millimeter wave frequency band highlights very urgent application requirements, particularly in the fields of airborne multifunctional radars, airborne multifunctional sensors, terminal guidance seeker, satellite communication and the like. The use of the broadband not only increases the effective frequency band used by the system and improves the anti-interference capability of the system, but also provides a relatively universal platform for the requirements of different systems.
With the development of the multi-channel TR component technology, the number of control logic bits for controlling the amplitude and phase in the channel is more and more, and the size of the TR component is greatly increased on the one hand by adopting a parallel mode, and the complexity degree for external beam control is large.
In view of this, it is necessary to design a millimeter wave broadband multi-channel TR module.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a millimeter wave broadband multichannel TR component, which is realized by combining a broadband technology with an integrated independent power supply and a comprehensive control board, has extremely wide frequency band, realizes effective utilization of 8GHz bandwidth from a millimeter wave band, has relative bandwidth up to 22 percent, and improves working frequency band and anti-interference capability.
In order to achieve the purpose, the utility model adopts the technical scheme that: millimeter wave broadband multichannel TR subassembly includes:
the multi-channel T component is used for realizing signal transmission and beam forming;
the power division network is used for realizing power distribution of the multi-channel signals;
the multi-channel R component is used for realizing the amplification receiving and the beam control of signals;
the power synthesis network is used for realizing power synthesis of the multi-channel receiving signals;
the highly integrated independent power supply and comprehensive control panel comprises a power supply module and a comprehensive control module, wherein the power supply module is used for supplying power to the multi-channel T assembly and the multi-channel R assembly and controlling the working state of each channel; the comprehensive control module is used for controlling the adjusting signals of the electric appliance adjusting elements in each channel.
Furthermore, the multichannel T component and the multichannel R component are arranged in a transceiving split mode.
Furthermore, the power module and the comprehensive control module are integrally arranged.
Furthermore, each channel in the multi-channel T component and the multi-channel R component is connected to the power supply module through a control switch, and the control switch and the electric appliance adjusting element are connected to the comprehensive control module through a single chip microcomputer.
Furthermore, the comprehensive control module is an FPGA beam controller, and the FPGA beam controller is connected with the single chip microcomputer through an SPI serial port.
Furthermore, the electric appliance adjusting elements are a phase shifter and an attenuator, and the amplitude and the phase of each channel and the on-off of the channels can be controlled through the single chip microcomputer.
Furthermore, the multichannel T component and the multichannel R component are both designed by four-channel integration.
Compared with the prior art, the utility model has the beneficial effects that: the utility model adopts the broadband technology to combine with the integrated independent power supply and the integrated control panel to realize the millimeter wave broadband multichannel TR component, thereby improving the anti-interference capability of the communication system and meeting the application requirements of the radar on different detection distances and detection precision, improving the integration level of the TR component and reducing the complexity of the waveform control unit.
Drawings
FIG. 1 is an architecture diagram of a millimeter wave broadband multichannel TR assembly of the present invention;
fig. 2 is a control schematic diagram of the integrated independent power supply and the integrated control board according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the protection scope of the present invention.
The architecture diagram of the millimeter wave broadband multichannel TR component is shown in figure 1, and the multichannel TR component comprises a multichannel T component, a power distribution network, a multichannel R component, a power synthesis network, a highly integrated independent power supply and a comprehensive control panel;
the multichannel T component is used for realizing signal transmission and beam forming; the power distribution network is used for realizing power distribution of the multi-channel signals; the multi-channel R component is used for realizing amplification receiving and beam control of signals; the power synthesis network is used for realizing power synthesis of the multi-channel receiving signals;
the highly integrated independent power supply and comprehensive control panel comprises a power supply module and a comprehensive control module, wherein the power supply module is used for supplying power to the multi-channel T assembly and the multi-channel R assembly and controlling the working state of each channel; the comprehensive control module is used for controlling the adjusting signals of the electric appliance adjusting elements in each channel.
In the utility model, the multichannel T component and the multichannel R component are arranged in a transceiving split mode, namely the T component and the R component are designed into independent modules, and the multichannel T component and the multichannel R component are different from an integrated design used in transceiving time, so that the multichannel T component and the multichannel R component can be suitable for a continuous wave phased array system.
In order to improve the integration level and reduce the difficulty of the waveform control circuit, the power supply module and the comprehensive control module are integrally arranged.
Further, as shown in fig. 2, each of the channels of the multi-channel T component and the multi-channel R component is connected to the power module through a control switch, and the control switch and the electrical appliance adjusting element are connected to the integrated control module through a single chip. The comprehensive control module is an FPGA beam controller, and the FPGA beam controller is connected with the single chip microcomputer through an SPI serial port. The electric appliance adjusting elements are phase shifters and attenuators, and the amplitude and the phase of each channel and the on-off of the channels can be controlled through a single chip microcomputer. Therefore, single-channel and multi-channel work of each component can be realized, beam forming is realized, the channel isolation is improved, and the system power consumption is reduced. Meanwhile, each component and the outside communicate in a serial port SPI mode, and the difficulty of a system waveform control circuit is reduced.
In order to achieve the best use effect, the principle of each channel, the PCB and the process adopt the same design, and the consistency of each channel is ensured.
Example 1
In order to reduce the complexity of a system feed network, the multi-channel T component and the multi-channel R component are respectively a four-channel T component and a four-channel R component by adopting a four-channel integrated design.
In this embodiment, a four-power-division zero-degree power divider with a bandwidth of 8GHz is designed, a first broadband signal transmitted and input by a frequency conversion channel is divided into four, and a phase difference between the channels is kept within a certain range. Meanwhile, in the four-channel T assembly, an ultra-wideband distributed amplifier chip based on a pHEMT process is adopted, so that the signal power is amplified, and the isolation between channels is increased; the control of the amplitude and the phase of a single channel is realized by adopting a GaAs MMIC numerical control attenuator, a GaAs MMIC numerical control phase shifter and a multifunctional chip of an amplifier, finally, the amplification of the final power is realized by adopting a power amplifier chip with double power supplies and low power consumption, and an output signal is sent to an antenna.
Further, in the four-channel R component, firstly, a broadband low-noise amplifier with broadband, low noise coefficient and high gain is adopted to perform low-noise amplification on the signal received by the antenna; then, adjusting the amplitude and the phase of the received signals by adopting a broadband phase shifter and a numerical control attenuator chip, so that the signals received by different antennas have power synthesis conditions; and finally, carrying out power synthesis on the signals received by the multiple channels through a power synthesis network to obtain one path of signals, and sending the path of signals to a receiving down-conversion component.
As shown in figure 2, the TR component is controlled by an independent power supply, and the single chip microcomputer is used for controlling internal control signals such as a phase shifter, a numerical control attenuator and the like, so that the number of external interfaces in the design of the TR component and the complexity of waveform control are reduced. Meanwhile, by means of the switch and power control, channel work and sleep control of each channel and each component are achieved, power control is adopted for the sleep channels to reduce power consumption, and service life is prolonged.
In order to achieve the best use effect, a shielding cavity design is adopted, and the microwave part and the power supply control part of the broadband millimeter wave TR component are designed in a layered mode, so that the maintainability of the module is improved, and the anti-electromagnetic interference capability is improved. In addition, the digital circuit and the analog circuit are integrally designed, so that the control is simple, and the waveform control complexity of the whole phased array antenna is reduced.
In summary, the utility model adopts the broadband technology to combine with the integrated independent power supply and the integrated control panel to realize the millimeter wave broadband multi-channel TR component, and the frequency band of the multi-channel TR component is extremely wide, thereby realizing the effective utilization bandwidth of 8GHz from the millimeter wave band, the relative bandwidth is up to 22%, and the working frequency band and the anti-interference capability are improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. Millimeter wave broadband multichannel TR subassembly, its characterized in that includes:
the multi-channel T component is used for realizing signal transmission and beam forming;
the power distribution network is used for realizing power distribution of the multi-channel signals;
the multi-channel R component is used for realizing the amplification receiving and the beam control of signals;
the power synthesis network is used for realizing power synthesis of the multi-channel receiving signals;
the highly integrated independent power supply and comprehensive control panel comprises a power supply module and a comprehensive control module, wherein the power supply module is used for supplying power to the multi-channel T assembly and the multi-channel R assembly and controlling the working state of each channel; the comprehensive control module is used for controlling the adjusting signals of the electric appliance adjusting elements in each channel.
2. The millimeter wave broadband multichannel TR assembly of claim 1, wherein the multichannel T assembly and the multichannel R assembly are arranged in a transceiving split manner.
3. The millimeter wave broadband multichannel TR assembly of claim 1, wherein the power module is integrated with the integrated control module.
4. The millimeter wave broadband multichannel TR assembly according to claim 1, wherein each channel of the multichannel T assembly and the multichannel R assembly is connected to a power module through a control switch, and the control switch and an electrical regulating element are connected to the comprehensive control module through a single chip microcomputer.
5. The millimeter wave broadband multichannel TR assembly of claim 4, wherein the integrated control module is an FPGA beam controller, and the FPGA beam controller is connected with the single chip microcomputer through an SPI serial port.
6. The millimeter wave broadband multichannel TR assembly of claim 4, wherein the electrical regulating elements are phase shifters and attenuators, and the amplitude, phase and channel on-off of each channel are controlled by a single chip microcomputer.
7. The millimeter wave broadband multichannel TR assembly of claim 1, wherein the multichannel T assembly and the multichannel R assembly are each provided with four channels.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122583017.2U CN216696648U (en) | 2021-10-26 | 2021-10-26 | Millimeter wave broadband multichannel TR (transmitter-receiver) component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122583017.2U CN216696648U (en) | 2021-10-26 | 2021-10-26 | Millimeter wave broadband multichannel TR (transmitter-receiver) component |
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| CN216696648U true CN216696648U (en) | 2022-06-07 |
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| CN202122583017.2U Active CN216696648U (en) | 2021-10-26 | 2021-10-26 | Millimeter wave broadband multichannel TR (transmitter-receiver) component |
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