CN213585772U - Multichannel TR subassembly of S wave band - Google Patents
Multichannel TR subassembly of S wave band Download PDFInfo
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- CN213585772U CN213585772U CN202023113126.XU CN202023113126U CN213585772U CN 213585772 U CN213585772 U CN 213585772U CN 202023113126 U CN202023113126 U CN 202023113126U CN 213585772 U CN213585772 U CN 213585772U
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Abstract
An S-band multichannel TR component comprises a T component, an R component, a T/R comprehensive module and a T/R interface unit, wherein the T component comprises a plurality of channels T, the T component comprehensive module and the T interface unit; the R component comprises a plurality of R channels, an R component comprehensive module and an R interface unit; the T/R integrated module comprises a T/R local oscillator module, a T/R calibration module, a control module and a power supply module, and is connected with each T channel and each R channel; the T/R interface unit comprises a T/R input/output connector, a calibration interface, a local oscillator interface and an external bus interface; the T channel comprises a transmitting unit and a T coupler, and the output of the transmitting unit is directly connected with an output interface through the T coupler; the R channel comprises a receiving unit and an R coupler calibration signal, the R coupler calibration signal is connected with the input of the receiving unit through a coupling channel of the R coupler, and the output of the T/R local oscillator module is respectively connected to the transmitting unit of the T component and the receiving unit of the R component.
Description
Technical Field
The utility model relates to a signal processing field, in particular to multichannel TR subassembly of S wave band.
Background
The TR component is one of core components forming the active phased array radar and mainly realizes amplification of received signals and control of signal amplitude and phase. With the development of integrated circuits and electronic technologies, the requirements of the industry on phased arrays are also higher and higher, and high performance, light weight, integration and multiple functions are the main development directions.
Miniaturization is the development direction of TR subassembly, and the TR subassembly performance index that integrates often limits great, and the function is also relatively limited, when guaranteeing the index, introduces more functions to accomplish the volume littleer one of the target.
In addition, channel amplitude and phase consistency is a basic function of the TR module, and generally, a controllable attenuator and a phase shifter are used separately for each channel to ensure the function. In practical use, if the amplitudes are inconsistent, each path needs to be tested separately and readjusted, which is complicated. Some TR assemblies with amplitude and phase calibration function usually need to perform AD sampling and compare with each other through an algorithm, so as to automatically adjust the amplitude and phase of a channel, which is simple and convenient, but at the same time, the cost is higher, and the system is more complex. There is a need for a simple multi-channel TR assembly that ensures channel amplitude and phase consistency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a multichannel TR subassembly of S wave band, synthesize module and T/R interface unit including T subassembly, R subassembly, T/R, guarantee the passageway uniformity of TR subassembly through calibration simple and easy relatively to improve the accuracy of signal transmission and receipt, realize higher performance index, simple structure is practical, has solved above-mentioned problem.
The utility model adopts the technical scheme as follows:
an S-band multichannel TR component comprises a T component, an R component, a T/R comprehensive module and a T/R interface unit, wherein the T component comprises a plurality of channels T, the T component comprehensive module and the T interface unit; the R component comprises a plurality of R channels, an R component comprehensive module and an R interface unit; the T/R integrated module comprises a T/R local oscillator module, a T/R calibration module, a control module and a power supply module, and is connected with each T channel and each R channel; the T/R interface unit comprises a T/R input/output connector, a calibration interface, a local oscillator interface and an external bus interface;
the T channel of the T component comprises a transmitting unit and a T coupler, wherein the output of the transmitting unit is directly connected with an output interface through the T coupler and is connected with the input of the T component calibration module through a T coupler coupling channel;
the R channel of the R component comprises a receiving unit and an R coupler, an input signal is connected with an input interface of the receiving unit through a direct connection passage of the R coupler, a calibration signal is connected with the input of the receiving unit through a coupling channel of the R coupler, and the output of the T/R local oscillator module is respectively connected to a transmitting unit of the T component and a receiving unit of the R component.
In order to better implement the scheme, the transmitting unit of the T channel further includes a first band-pass filter FS1, a programmable attenuator FS2, a first amplifier FS3, a mixer FS4, a temperature-compensated attenuator FS5, a second band-pass filter FS6, a phase shifter FS7, a driver FS8, a power amplifier FS9, and a low-pass filter FS10, which are connected in sequence.
In order to better implement the scheme, the T calibration module in the T/R integration module further includes a first combiner JZ1, a second combiner JZ2, a first amplifier JZ3, a third combiner JZ4, and a second amplifier JZ5, an output of the first combiner JZ1 is connected to an input of the second combiner JZ2, an output of the second combiner JZ2 is connected to the first amplifier JZ3, an output of the first amplifier JZ3 is connected to an input of the third combiner JZ4, an output of the third combiner JZ4 is connected to an input of the second amplifier JZ5, and an output of the second amplifier JZ5 is output to the transmitting unit of the T-module.
In order to better implement the scheme, further, the receiving unit of the R channel includes a limiter JS1, a first low-noise amplifier JS2, a first band-pass filter JS3, a second low-noise amplifier JS4, a phase shifter JS5, a mixer JS6, a second band-pass filter JS7, a first amplifier JS8, a numerical control attenuator JS9, a second amplifier JS10, a temperature compensated attenuator JS11, a third amplifier JS12, and a low-pass filter JS13, which are connected in sequence.
In order to better realize the scheme, the R calibration module in the T/R integrated module further includes a first amplifier JY1, a first power divider JY2, a second amplifier JY3, a second power divider JY4, and a third power divider JY5, an output of the first amplifier JY1 is connected to an input of the first power divider JY2, an output of each path of the first power divider JY2 is respectively connected to one second amplifier JY3, an output of each second amplifier JY3 is respectively connected to one third power divider JY5, and an output of the third power divider JY5 is connected to the coupling of the R coupler.
In order to better implement the scheme, the local oscillation module of the T/R component further includes a first amplifier BZ1, a first power divider BZ2, a second amplifier BZ3, a second power divider BZ4, and a third power divider BZ5, an output of the first amplifier BZ1 is connected to an input of the first power divider BZ2, each output of the first power divider BZ2 is connected to one second amplifier BZ3, an output of each second amplifier BZ3 is connected to one third power divider BZ5, and an output of the third power divider BZ5 is connected to a local oscillation input port of the receiving unit.
In order to better implement the scheme, further, a control module of the T/R integration module includes an FPGA logic controller and a control circuit, the FPGA logic controller is connected to the control circuit and an external bus interface, and an output of the control circuit is connected to each of the transmitting unit, the receiving unit and the T/R local oscillation module.
In order to better implement the scheme, further, a power module of the T/R integration module is respectively connected to each of the transmitting unit, the receiving unit, the T/R local oscillation module, and the control module.
Multichannel TR subassembly possess power and interface unit, to the T subassembly, multichannel transmitting signal gets into the transmission channel from T input interface, outside local oscillator signal passes through T local oscillator module and gets into transmission channel local oscillator input port, exports output interface and calibration passageway respectively through the coupler after the mixing. For the R component, the multipath transmitting signals and the calibration signals enter a receiving channel from the R input interface through the coupler; and the external local oscillation signal enters a local oscillation input port of the receiving channel through the R local oscillation module, and is output to an output interface through the receiving channel after frequency mixing.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a multichannel TR subassembly of S wave band, including T subassembly, R subassembly, T/R integrated module and T/R interface unit, guarantee the passageway uniformity of TR subassembly through the calibration of relative simple and easy to improve the accuracy of signal transmission and receipt, realize higher performance index;
2. a multichannel TR subassembly of S wave band, synthesize module and T/R interface unit including T subassembly, R subassembly, T/R, guarantee the passageway uniformity of TR subassembly through relative simple and easy calibration to improve the accuracy of signal transmission and receipt, realize higher performance index, simple structure is practical.
Drawings
In order to more clearly illustrate the technical solution, the drawings needed to be used in the embodiments are briefly described below, and it should be understood that, for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts, wherein:
FIG. 1 is a schematic view of the T-module connection of the present invention;
fig. 2 is a schematic diagram of the connection of the R-module of the present invention;
fig. 3 is a schematic view of the reflection unit connection of the present invention;
fig. 4 is a schematic diagram of the connection of the receiving unit of the present invention;
fig. 5 is a schematic diagram of the connection of the T calibration module of the present invention;
fig. 6 is a schematic diagram of the connection of the R calibration module of the present invention;
fig. 7 is the utility model discloses a T/R local oscillator module connection schematic diagram.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments, and therefore should not be considered as limitations to the scope of protection. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in detail with reference to fig. 1 to 7.
Example 1:
an S-band multichannel TR component comprises a T component, an R component, a T/R integrated module and a T/R interface unit, wherein as shown in figure 1, the T component comprises a plurality of channels T, the T component integrated module and the T interface unit; as shown in fig. 2, the R component includes multiple R channels, an R component integration module, and an R interface unit; the T/R integrated module comprises a T/R local oscillator module, a T/R calibration module, a control module and a power supply module, and is connected with each T channel and each R channel; the T/R interface unit comprises a T/R input/output connector, a calibration interface, a local oscillator interface and an external bus interface;
the T channel of the T component comprises a transmitting unit and a T coupler, wherein the output of the transmitting unit is directly connected with an output interface through the T coupler and is connected with the input of the T component calibration module through a T coupler coupling channel;
the R channel of the R component comprises a receiving unit and an R coupler, an input signal is connected with an input interface of the receiving unit through a direct connection passage of the R coupler, a calibration signal is connected with the input of the receiving unit through a coupling channel of the R coupler, and the output of the T/R local oscillator module is respectively connected to a transmitting unit of the T component and a receiving unit of the R component.
The working principle is as follows: multichannel TR subassembly possess power and interface unit, to the T subassembly, multichannel transmitting signal gets into the transmission channel from T input interface, outside local oscillator signal passes through T local oscillator module and gets into transmission channel local oscillator input port, exports output interface and calibration passageway respectively through the coupler after the mixing. For the R component, the multipath transmitting signals and the calibration signals enter a receiving channel from the R input interface through the coupler; and the external local oscillation signal enters a local oscillation input port of the receiving channel through the R local oscillation module, and is output to an output interface through the receiving channel after frequency mixing.
Example 2
In this embodiment, on the basis of embodiment 1, an S-band multichannel TR module includes a T module, an R module, a T/R integration module, and a T/R interface unit, as shown in fig. 1, where the T module includes multiple channels of T channels, a T module integration module, and a T interface unit; as shown in fig. 2, the R component includes multiple R channels, an R component integration module, and an R interface unit; the T/R integrated module comprises a T/R local oscillator module, a T/R calibration module, a control module and a power supply module, and is connected with each T channel and each R channel; the T/R interface unit comprises a T/R input/output connector, a calibration interface, a local oscillator interface and an external bus interface;
the T channel of the T component comprises a transmitting unit and a T coupler, wherein the output of the transmitting unit is directly connected with an output interface through the T coupler and is connected with the input of the T component calibration module through a T coupler coupling channel;
the R channel of the R component comprises a receiving unit and an R coupler, an input signal is connected with an input interface of the receiving unit through a direct connection passage of the R coupler, a calibration signal is connected with the input of the receiving unit through a coupling channel of the R coupler, and the output of the T/R local oscillator module is respectively connected to a transmitting unit of the T component and a receiving unit of the R component.
In detail:
as shown in fig. 3, the transmitting unit of the T channel includes a first band pass filter FS1, a programmable attenuator FS2, a first amplifier FS3, a mixer FS4, a temperature-compensated attenuator FS5, a second band pass filter FS6, a phase shifter FS7, a driver FS8, a power amplifier FS9, and a low pass filter FS10, which are connected in sequence.
As shown in fig. 5, the T calibration module in the T/R integration module includes a first combiner JZ1, a second combiner JZ2, a first amplifier JZ3, a third combiner JZ4, and a second amplifier JZ5, an output of the first combiner JZ1 is connected to an input of the second combiner JZ2, an output of the second combiner JZ2 is connected to the first amplifier JZ3, an output of the first amplifier JZ3 is connected to an input of the third combiner JZ4, an output of the third combiner JZ4 is connected to an input of the second amplifier JZ5, and an output of the second amplifier JZ5 is output to a transmitting unit of the T-module.
As shown in fig. 4, the receiving unit of the R channel includes an amplitude limiter JS1, a first low-noise amplifier JS2, a first band-pass filter JS3, a second low-noise amplifier JS4, a phase shifter JS5, a mixer JS6, a second band-pass filter JS7, a first amplifier JS8, a numerical control attenuator JS9, a second amplifier JS10, a temperature compensated attenuator JS11, a third amplifier JS12, and a low-pass filter JS13, which are connected in this order.
As shown in fig. 6, the R calibration module in the T/R integrated module includes a first amplifier JY1, a first power divider JY2, a second amplifier JY3, a second power divider JY4, and a third power divider JY5, an output of the first amplifier JY1 is connected to an input of the first power divider JY2, an output of each path of the first power divider JY2 is respectively connected to one second amplifier JY3, an output of each second amplifier JY3 is respectively connected to one third power divider JY5, and an output of the third power divider JY5 is connected to a coupling input port of the R coupler.
As shown in fig. 7, the local oscillation module of the T/R component includes a first amplifier BZ1, a first power divider BZ2, a second amplifier BZ3, a second power divider BZ4, and a third power divider BZ5, an output of the first amplifier BZ1 is connected to an input of a first power divider BZ2, each output of the first power divider BZ2 is connected to one second amplifier BZ3, an output of each second amplifier BZ3 is connected to one third power divider BZ5, and an output of the third power divider BZ5 is connected to a local oscillation input port of the receiving unit.
The control module of the T/R integrated module comprises an FPGA logic controller and a control circuit, the FPGA logic controller is connected with the control circuit and an external bus interface, and the output of the control circuit is connected with each path of transmitting unit, each path of receiving unit and each path of T/R local oscillation module.
And the power supply module of the T/R integrated module is respectively connected with each path of transmitting unit, the receiving unit, the T/R local oscillation module and the control module.
The working principle is as follows: multichannel TR subassembly possess power and interface unit, to the T subassembly, multichannel transmitting signal gets into the transmission channel from T input interface, outside local oscillator signal passes through T local oscillator module and gets into transmission channel local oscillator input port, exports output interface and calibration passageway respectively through the coupler after the mixing. For the R component, the multipath transmitting signals and the calibration signals enter a receiving channel from the R input interface through the coupler; and the external local oscillation signal enters a local oscillation input port of the receiving channel through the R local oscillation module, and is output to an output interface through the receiving channel after frequency mixing.
The utility model can be compatible with the traditional TR component without changing other modules in the active phased array; the utility model introduces the calibration channel, and only one port is needed to quickly calibrate the amplitude-phase consistency of the TR component without testing and calibrating each channel independently; the utility model introduces the ultra-low noise and low noise amplifier, and realizes the system sensitivity; a high-power amplifier is introduced to ensure the linearity of output power and longer communication distance; the high-rectangular-coefficient filter is introduced in the utility model, and has excellent anti-interference capability, and the anti-interference capability is more than 65 dBc; the utility model discloses a high accuracy program controlled attenuator and move looks ware has good amplitude phase uniformity.
Other parts of this embodiment are the same as those of embodiment 1, and thus are not described again.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (8)
1. The utility model provides a multichannel TR subassembly of S wave band, includes T subassembly, R subassembly, T/R synthesizes module and T/R interface unit, its characterized in that: the T assembly comprises a plurality of T channels, a T assembly comprehensive module and a T interface unit; the R component comprises a plurality of R channels, an R component comprehensive module and an R interface unit; the T/R integrated module comprises a T/R local oscillator module, a T/R calibration module, a control module and a power supply module, and is connected with each T channel and each R channel; the T/R interface unit comprises a T/R input/output connector, a calibration interface, a local oscillator interface and an external bus interface;
the T channel of the T component comprises a transmitting unit and a T coupler, wherein the output of the transmitting unit is directly connected with an output interface through the T coupler and is connected with the input of the T component calibration module through a T coupler coupling channel;
the R channel of the R component comprises a receiving unit and an R coupler, an input signal is connected with an input interface of the receiving unit through a direct connection passage of the R coupler, a calibration signal is connected with the input of the receiving unit through a coupling channel of the R coupler, and the output of the T/R local oscillator module is respectively connected to a transmitting unit of the T component and a receiving unit of the R component.
2. An S-band multichannel TR module as claimed in claim 1, wherein: the transmitting unit of the T channel comprises a first band-pass filter FS1, a programmable attenuator FS2, a first amplifier FS3, a mixer FS4, a temperature-compensated attenuator FS5, a second band-pass filter FS6, a phase shifter FS7, a driver FS8, a power amplifier FS9 and a low-pass filter FS10 which are sequentially connected.
3. An S-band multichannel TR module as claimed in claim 1, wherein: the T calibration module in the T/R synthesis module comprises a first combiner JZ1, a second combiner JZ2, a first amplifier JZ3, a third combiner JZ4 and a second amplifier JZ5, wherein the output of the first combiner JZ1 is connected with the input of the second combiner JZ2, the output of the second combiner JZ2 is connected with the first amplifier JZ3, the output of the first amplifier JZ3 is connected with the input of the third combiner JZ4, the output of the third combiner JZ4 is connected with the input of the second amplifier JZ5, and the output of the second amplifier JZ5 is transmitted to the transmitting unit of the T component.
4. An S-band multichannel TR module as claimed in claim 1, wherein: the receiving unit of the R channel comprises an amplitude limiter JS1, a first low-noise amplifier JS2, a first band-pass filter JS3, a second low-noise amplifier JS4, a phase shifter JS5, a frequency mixer JS6, a second band-pass filter JS7, a first amplifier JS8, a numerical control attenuator JS9, a second amplifier JS10, a temperature-compensated attenuator JS11, a third amplifier JS12 and a low-pass filter JS13 which are connected in sequence.
5. An S-band multichannel TR module as claimed in claim 1, wherein: the R calibration module in the T/R comprehensive module comprises a first amplifier JY1, a first power divider JY2, a second amplifier JY3, a second power divider JY4 and a third power divider JY5, wherein the output of the first amplifier JY1 is connected with the input of the first power divider JY2, the output of each path of the first power divider JY2 is respectively connected with one second amplifier JY3, the output of each second amplifier JY3 is respectively connected with one third power divider JY5, and the output of the third power divider JY5 is connected with the coupling input port of the R coupler.
6. An S-band multichannel TR module as claimed in claim 1, wherein: the local oscillation module of the T/R module includes a first amplifier BZ1, a first power divider BZ2, a second amplifier BZ3, a second power divider BZ4, and a third power divider BZ5, an output of the first amplifier BZ1 is connected to an input of the first power divider BZ2, an output of each path of the first power divider BZ2 is connected to one second amplifier BZ3, an output of each second amplifier BZ3 is connected to one third power divider BZ5, and an output of the third local oscillation BZ5 is connected to an input port of the receiving unit.
7. An S-band multichannel TR module as claimed in claim 1, wherein: the control module of the T/R integrated module comprises an FPGA logic controller and a control circuit, the FPGA logic controller is connected with the control circuit and an external bus interface, and the output of the control circuit is connected with each path of transmitting unit, each path of receiving unit and each path of T/R local oscillation module.
8. An S-band multichannel TR module as claimed in claim 1, wherein: and the power supply module of the T/R integrated module is respectively connected with each path of transmitting unit, the receiving unit, the T/R local oscillation module and the control module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023113126.XU CN213585772U (en) | 2020-12-22 | 2020-12-22 | Multichannel TR subassembly of S wave band |
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| CN202023113126.XU CN213585772U (en) | 2020-12-22 | 2020-12-22 | Multichannel TR subassembly of S wave band |
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| CN213585772U true CN213585772U (en) | 2021-06-29 |
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Address after: 610000 No.6, Wuke East 3rd road, Wuhou e-commerce industry functional zone management committee, Wuhou District, Chengdu City, Sichuan Province Patentee after: Chengdu nengtong Technology Co.,Ltd. Address before: 610000 No.6, Wuke East 3rd road, Wuhou e-commerce industry functional zone management committee, Wuhou District, Chengdu City, Sichuan Province Patentee before: CHENGDU LAND TOP TECHNOLOGY CO.,LTD. |