CN209105177U - A kind of number TR component - Google Patents
A kind of number TR component Download PDFInfo
- Publication number
- CN209105177U CN209105177U CN201920122135.3U CN201920122135U CN209105177U CN 209105177 U CN209105177 U CN 209105177U CN 201920122135 U CN201920122135 U CN 201920122135U CN 209105177 U CN209105177 U CN 209105177U
- Authority
- CN
- China
- Prior art keywords
- circuit
- signal
- local oscillation
- amplification
- electrically connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Radar Systems Or Details Thereof (AREA)
Abstract
A kind of number TR component includes: DDS generation circuit, for generating digital baseband signal；D/A converting circuit, for converting analog baseband signal for digital baseband signal；Local oscillation signal generation circuit, for generating local oscillation signal；Clock signal, for controlling DDS generation circuit and local oscillation signal generation circuit synchronous working；Up-converter circuit, for being mixed to obtain radiofrequency signal to analog baseband signal and local oscillation signal；Filtering and power amplification circuit, for being filtered to radiofrequency signal and power amplification is to export；Amplitude limiter circuit is used for receives echo-signal；Amplification and filter circuit, for the received echo-signal of institute to be amplified and filtered；Lower frequency changer circuit, for being mixed to obtain intermediate-freuqncy signal with local oscillation signal to the echo-signal of amplification and filtering；IF AGC control circuit, for exporting intermediate-freuqncy signal into radar antenna system.Its radiofrequency signal sent is not easily susceptible to interfere, and uses integrated design, and structural volume is smaller.
Description
Technical field
The utility model relates to signal processing technology field more particularly to a kind of number TR (Transmitter and
Receiver) component.
Background technique
It is carried out in signal transmission and receive process in radar, it usually needs the hair of TR component (i.e. transmitting-receiving subassembly) progress signal
It send and reception processing, existing TR component mainly uses analog transceiver component to realize, this kind of analog transceiver component substantially process are as follows:
Transmitting is sent into after amplifier carries out low level signal amplification to certain power by external radio-frequency signal and is re-fed into drive(r) stage amplification, is re-fed into
Final stage power amplifier carries out power amplification to defined power, is emitted after circulator by antenna and is exported；It receives and signal is received by antenna
Come in, is exported after carrying out low level signal amplification by low-noise amplifier.Although letter may be implemented in this kind of analog transceiver component substantially
Number transmission and reception, but be typically just simply combined on radar and use, and the signal of this kind of analog transceiver component is sent
And the interference by other signals is easy in receive process, it usually can not meet the requirement of user；In addition, their structural volume
Greatly, it is more inconvenient to install and use.
In consideration of it, it is necessary to be redesigned to existing TR component, it is of the existing technology to solve the problems, such as.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of number TR components, to solve signal interference and knot
The problems such as structure volume is big.
In order to solve the above-mentioned technical problem, the utility model discloses following technical solutions.A kind of number TR component, including
Have: a DDS generation circuit is connect by control bus with radar antenna system, the frequency letter for being sent according to control bus
Breath, amplitude information and phase information generate digital baseband signal；One D/A converting circuit, the output with the DDS generation circuit
End is electrically connected, for converting analog baseband signal for the digital baseband signal；One local oscillation signal generation circuit, for producing
Raw local oscillation signal；One clock signal, the input terminal with the DDS generation circuit and local oscillation signal generation circuit electrically connects respectively
It connects, for controlling the DDS generation circuit and local oscillation signal generation circuit synchronous working；One up-converter circuit, respectively with it is described
The output end of D/A converting circuit and local oscillation signal generation circuit is electrically connected, for believing the analog baseband signal and local oscillator
It number is mixed to obtain radiofrequency signal；One filtering and power amplification circuit are electrically connected with the output end of the up-converter circuit,
For the radiofrequency signal is filtered and power amplification with export send；One amplitude limiter circuit passes through a transmit-receive switch and institute
The output end for stating filtering and power amplification circuit is electrically connected, and is used for receives echo-signal；One amplification and filter circuit, and it is described
The output end of amplitude limiter circuit is electrically connected, for the received echo-signal of institute to be amplified and filtered；One lower frequency changer circuit, point
Output end not with the amplification and filter circuit and the local oscillation signal generation circuit is electrically connected, for being amplified and filtered
Echo-signal after wave is mixed to obtain intermediate-freuqncy signal with the local oscillation signal；One IF AGC control circuit, with institute
The output end for stating lower frequency changer circuit is electrically connected, for exporting the intermediate-freuqncy signal into radar antenna system.
Its further technical solution are as follows: the filtering and power amplification circuit include: a first filter, on described
The output end of frequency converter is electrically connected, for being filtered to the radiofrequency signal；One radio-frequency power amplifier, with described first
The output end of filter is electrically connected, for carrying out power amplification to filtered radiofrequency signal.
Its further technical solution are as follows: the amplification and filter circuit include: a low-noise amplifier, with the clipping
The output end of circuit is electrically connected, for carrying out low noise amplification to the received echo-signal of institute；One second filter, and it is described
The output end of low-noise amplifier is electrically connected, for being filtered to the echo-signal after low noise amplification.
Its further technical solution are as follows: the up-converter circuit is realized using a upconverter.
Its further technical solution are as follows: the lower frequency changer circuit is realized using a low-converter.
Its further technical solution are as follows: the D/A converting circuit is realized using an analog-digital converter.
Its further technical solution are as follows: the amplitude limiter circuit is realized using a limiter.
The advantageous effects of the utility model are: number TR component includes the output and input of signal, wherein output
When signal, analog-to-digital conversion is carried out to the digital baseband signal that DDS generation circuit generates, then by analog baseband signal and local oscillation signal
It is mixed through up-converter circuit, and DDS generation circuit and local oscillation signal generation circuit is carried out using clock signal before being mixed
Synchronous adjustment is sent after being then filtered and amplify again with ensuring the realization being mixed, and so makes the frequency range of signal from low
Frequency arrives radio frequency, and radiofrequency signal is small by external signal interference, transmits more stable；When input signal, it is received back by amplitude limiter circuit
Amplify and filter after wave signal, then again will amplification and filtered echo-signal and the downconverted circuit of local oscillation signal into
To obtain intermediate-freuqncy signal, intermediate-freuqncy signal passes through again to be carried out in IF AGC control circuit input radar antenna system for row mixing
It is further processed.For the radiofrequency signal that number TR component is sent not vulnerable to the interference of external signal, signal propagation is more stable, connects
The echo-signal of receipts can directly input after amplification, filtering and Frequency mixing processing to be used in radar antenna system, simple and convenient.This
Outside, existing digital circuit in number TR component, and have analog circuit, digital circuit and analog circuit use integrated design,
Without cable connection, structural volume is smaller, suitable for installing and using.
Detailed description of the invention
Fig. 1 is the structural block diagram of an embodiment of the present invention.
Specific embodiment
In order to more fully understand the technology contents of the utility model, below with reference to schematic diagram to the technical side of the utility model
Case is further described and illustrates, but not limited to this.
As shown in Figure 1, in the present invention, number TR component includes a DDS generation circuit 10, a digital-to-analogue conversion
Circuit 11, a local oscillation signal generation circuit 12, a clock signal 13, a up-converter circuit 14, one filtering and power amplification circuit
15, an amplitude limiter circuit 17, one amplification and filter circuit 18, a lower frequency changer circuit 19 and an IF AGC control circuit 20,
Wherein, DDS generation circuit 10 is connect by control bus with radar antenna system, the frequency letter for being sent according to control bus
Breath, amplitude information and phase information generate digital baseband signal；The output end of D/A converting circuit 11 and DDS generation circuit 10 electricity
Property connection, for converting analog baseband signal for digital baseband signal；Local oscillation signal generation circuit 12 is for generating local oscillator letter
Number；Clock signal 13 is electrically connected with the input terminal of DDS generation circuit 10 and local oscillation signal generation circuit 12 respectively, for controlling
DDS generation circuit 10 and local oscillation signal generation circuit 12 work asynchronously；Up-converter circuit 14 respectively with D/A converting circuit 11 and
The output end of local oscillation signal generation circuit 12 is electrically connected, and is penetrated for being mixed to analog baseband signal and local oscillation signal
Frequency signal；The output end of filtering and power amplification circuit 15 and up-converter circuit 14 is electrically connected, for carrying out to radiofrequency signal
Filtering and power amplification are sent with exporting；Amplitude limiter circuit 17 by a transmit-receive switch 16 with filter and power amplification circuit 15 it is defeated
Outlet is electrically connected, and is used for receives echo-signal；Amplification and filter circuit 18 and the output end of amplitude limiter circuit 17 are electrically connected, and are used
It amplifies and filters in the received echo-signal of institute；Lower frequency changer circuit 19 is believed with amplification and filter circuit 18 and local oscillator respectively
The output end of number generation circuit 12 is electrically connected, for being mixed to through amplification and filtered echo-signal with local oscillation signal
Obtain intermediate-freuqncy signal；IF AGC control circuit 20 is electrically connected with the output end of lower frequency changer circuit 19, is used for intermediate frequency
Signal is exported into radar antenna system.
In this application, DDS generation circuit 10, D/A converting circuit 11, local oscillation signal generation circuit 12, clock signal
13, up-converter circuit 14 and filtering and power amplification circuit 15 constitute signal output channels, when output signal, the frequency of signal
For range from low frequency to radio frequency, radiofrequency signal is small by external signal interference, transmits more stable；Amplitude limiter circuit 17, amplification and filtering
It is logical that circuit 18, local oscillation signal generation circuit 12, lower frequency changer circuit 19 and IF AGC control circuit 20 constitute signal input
Road, echo-signal is converted into intermediate-freuqncy signal after amplification, filtering and Frequency mixing processing with input in radar antenna system carry out into
One step analysis processing.For the radiofrequency signal that number TR component is sent not vulnerable to the interference of external signal, signal propagation is more stable,
Received echo-signal can directly input after amplification, filtering and Frequency mixing processing to be used in radar antenna system, simple and convenient.And
Existing digital circuit in number TR component, and have analog circuit, digital circuit and analog circuit use integrated design, are not necessarily to
Cable connection, structural volume is smaller, suitable for installing and using.
In addition, the clock signal 13 in number TR assembly circuit is usually by the crystalline substance in radar antenna system in the application
The circuit that shakes generates, synchronous to be further processed for controlling signal.
In the present embodiment, as shown in Figure 1, filtering and power amplification circuit 15 include a first filter 150 and one
Radio-frequency power amplifier 151, wherein the output end of first filter 150 and upconverter is electrically connected, for the first radio frequency
Signal is filtered；Radio-frequency power amplifier 151 and the output end of first filter 150 are electrically connected, for filtered
Radiofrequency signal carries out power amplification.In the present embodiment, radiofrequency signal is put in the filtering Jing Guo first filter 150, radio-frequency power
It can directly be sent by antenna after the power amplification of big device 151, the frequency of radiofrequency signal is larger, is not easily susceptible to external signal
Interference, be suitable for radar antenna system use.
In the present embodiment, as shown in Figure 1, amplification and filter circuit 18 include a low-noise amplifier 180 and one the
Two filters 181, wherein the output end of low-noise amplifier 180 and amplitude limiter circuit 17 is electrically connected, for received time of institute
Wave signal carries out low noise amplification；The output end of second filter 181 and low-noise amplifier 180 is electrically connected, for low
The amplified echo-signal of noise is filtered.In the application, echo-signal is put by the low noise of low-noise amplifier 180
Greatly, down coversion being carried out then at local oscillation signal after the filtering of second filter 181 and obtaining intermediate-freuqncy signal, intermediate-freuqncy signal passes through intermediate frequency again
Automatic gain control circuit 20 is inputted in radar antenna system and is further processed, and realizes the reception of signal.
In the present embodiment, up-converter circuit 14 is realized using a upconverter；Lower frequency changer circuit 19 uses a down coversion
Device is realized；D/A converting circuit 11 is realized using an analog-digital converter；Amplitude limiter circuit 17 is realized using a limiter.
In the embodiment of the utility model, number TR component includes DDS generation circuit 10, D/A converting circuit 11, local oscillator
Signal generating circuit 12, clock signal 13, up-converter circuit 14, filtering and power amplification circuit 15, amplitude limiter circuit 17, amplification and
Filter circuit 18, lower frequency changer circuit 19 and IF AGC control circuit 20, wherein DDS generation circuit 10, digital-to-analogue conversion electricity
Road 11, local oscillation signal generation circuit 12, clock signal 13, up-converter circuit 14 and filtering and power amplification circuit 15 constitute signal
Output channel when work, carries out analog-to-digital conversion to the digital baseband signal that DDS generation circuit 10 generates, then Analog Baseband is believed
It number is mixed with local oscillation signal, using clock signal 13 to DDS generation circuit 10 and local oscillation signal generation circuit 12 before being mixed
The realization for being adjusted to ensure that mixing is synchronized, is sent after being then filtered and amplify again, the frequency range of signal is so made
From low frequency to radio frequency, radiofrequency signal is small by external signal interference, and signal transmission is more stable；Amplitude limiter circuit 17, amplification and filtering
It is logical that circuit 18, local oscillation signal generation circuit 12, lower frequency changer circuit 19 and IF AGC control circuit 20 constitute signal input
It road, then again will amplification and filtered time by amplifying and filtering after 17 receives echo-signal of amplitude limiter circuit when work
Wave signal and local oscillation signal carry out down coversion to obtain intermediate-freuqncy signal, and intermediate-freuqncy signal passes through IF AGC control circuit 20 again
It is further processed in input radar antenna system.The radiofrequency signal that number TR component is sent is not vulnerable to the dry of external signal
It disturbs, signal propagation is more stable, and received echo-signal can directly input after amplification, filtering and Frequency mixing processing in radar antenna
System uses, simple and convenient.In addition, existing small signal low noise amplifier circuit has high-power amplification electricity in number TR component again
Road, existing analog circuit have high-speed data acquisition and generation circuit again, and digital circuit and analog circuit use integrated design, nothing
Cable connection is needed, structural volume is smaller, conveniently installs and uses, and meets the needs of users.
It is that above-mentioned preferred embodiment should be regarded as application scheme embodiment for example, all with application scheme thunder
Same, approximate or technology deduction, replacement, improvement for making based on this etc., are regarded as the protection scope of this patent.
Claims (7)
1. a kind of number TR component, which is characterized in that include:
One DDS generation circuit is connect by control bus with radar antenna system, the frequency letter for being sent according to control bus
Breath, amplitude information and phase information generate digital baseband signal；
One D/A converting circuit is electrically connected with the output end of the DDS generation circuit, for turning the digital baseband signal
Turn to analog baseband signal；
One local oscillation signal generation circuit, for generating local oscillation signal；
One clock signal is electrically connected, for controlling respectively with the input terminal of the DDS generation circuit and local oscillation signal generation circuit
Make the DDS generation circuit and local oscillation signal generation circuit synchronous working；
One up-converter circuit is electrically connected with the output end of the D/A converting circuit and local oscillation signal generation circuit respectively, is used
It is mixed to obtain radiofrequency signal in the analog baseband signal and local oscillation signal；
One filtering and power amplification circuit are electrically connected, for the radiofrequency signal with the output end of the up-converter circuit
It is filtered and power amplification is sent with exporting；
One amplitude limiter circuit is electrically connected, for connecing by the output end of a transmit-receive switch and the filtering and power amplification circuit
Receive echo-signal；
One amplification and filter circuit, are electrically connected with the output end of the amplitude limiter circuit, for the received echo-signal of institute into
Row amplification and filtering；
One lower frequency changer circuit, the output end with the amplification and filter circuit and the local oscillation signal generation circuit electrically connects respectively
It connects, for being mixed to obtain intermediate-freuqncy signal with the local oscillation signal to through amplification and filtered echo-signal；
One IF AGC control circuit is electrically connected, for believing the intermediate frequency with the output end of the lower frequency changer circuit
Number output into radar antenna system.
2. number TR component according to claim 1, which is characterized in that the filtering and power amplification circuit include:
One first filter is electrically connected, for being filtered to the radiofrequency signal with the output end of the upconverter；
One radio-frequency power amplifier is electrically connected, for filtered radiofrequency signal with the output end of the first filter
Carry out power amplification.
3. number TR component according to claim 1, which is characterized in that the amplification and filter circuit include:
One low-noise amplifier is electrically connected with the output end of the amplitude limiter circuit, for carrying out to the received echo-signal of institute
Low noise amplification；
One second filter is electrically connected, for the echo after low noise amplification with the output end of the low-noise amplifier
Signal is filtered.
4. number TR component according to claim 1, which is characterized in that the up-converter circuit is real using a upconverter
It is existing.
5. number TR component according to claim 1, which is characterized in that the lower frequency changer circuit is real using a low-converter
It is existing.
6. number TR component according to claim 1, which is characterized in that the D/A converting circuit uses an analog-to-digital conversion
Device is realized.
7. number TR component according to claim 1, which is characterized in that the amplitude limiter circuit is realized using a limiter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122135.3U CN209105177U (en) | 2019-01-24 | 2019-01-24 | A kind of number TR component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122135.3U CN209105177U (en) | 2019-01-24 | 2019-01-24 | A kind of number TR component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209105177U true CN209105177U (en) | 2019-07-12 |
Family
ID=67164044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920122135.3U Active CN209105177U (en) | 2019-01-24 | 2019-01-24 | A kind of number TR component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209105177U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554389A (en) * | 2019-09-26 | 2019-12-10 | 中国电子科技集团公司第三十八研究所 | 77GHz radar receiver circuit for improving fluctuation of wide-temperature working gain |
| CN110988810A (en) * | 2019-12-19 | 2020-04-10 | 中国电子科技集团公司第二十研究所 | 300-plus-2000 MHz broadband digital TR (transmitter-receiver) component |
| CN115173879A (en) * | 2022-06-30 | 2022-10-11 | 成都九洲迪飞科技有限责任公司 | Target drone response simulator |
-
2019
- 2019-01-24 CN CN201920122135.3U patent/CN209105177U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110554389A (en) * | 2019-09-26 | 2019-12-10 | 中国电子科技集团公司第三十八研究所 | 77GHz radar receiver circuit for improving fluctuation of wide-temperature working gain |
| CN110554389B (en) * | 2019-09-26 | 2024-03-15 | 中国电子科技集团公司第三十八研究所 | 77GHz radar receiver circuit for improving wide-temperature working gain fluctuation |
| CN110988810A (en) * | 2019-12-19 | 2020-04-10 | 中国电子科技集团公司第二十研究所 | 300-plus-2000 MHz broadband digital TR (transmitter-receiver) component |
| CN115173879A (en) * | 2022-06-30 | 2022-10-11 | 成都九洲迪飞科技有限责任公司 | Target drone response simulator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108089179B (en) | Ultra-wideband radar system and method for realizing single-channel multi-frequency-point simultaneous transceiving | |
| CN209105177U (en) | A kind of number TR component | |
| CN108051791A (en) | A kind of phased-array radar universal calibration device | |
| CN112448728B (en) | IMA architecture-based airborne integrated radio communication navigation system and working method | |
| US7583222B2 (en) | Method for using pulse compression in weather radar | |
| CN102916719A (en) | Multichannel, multimode, multifunction L-band radio transreceiver | |
| CN109412628B (en) | X-waveband broadband multi-beam digital receiving system and signal processing method thereof | |
| EP2161844B1 (en) | Frequency conversion device, method and system | |
| CN112448735B (en) | X-band programmable integrated transceiver | |
| CN110086500A (en) | Totally digitilized USB answering machine device based on asic chip | |
| CN208386538U (en) | A kind of mm wave RF receive-transmit system | |
| CN212694561U (en) | System for meteorological data wireless transmission | |
| CN101872008A (en) | Beidou satellite navigation system receiving module | |
| CN110824437A (en) | High-frequency ground wave radar simultaneous multi-frequency networking MIMO all-digital receiver | |
| CN105429654A (en) | Frequency synthesizer for S-band wave observation radar | |
| CN210444257U (en) | Two-channel S-band down converter | |
| CN209765034U (en) | X-waveband vehicle-mounted detection radar receiving device | |
| CN207869096U (en) | A kind of millimeter wave logarithmic detector device | |
| CN204539116U (en) | Monolithic integrated microwave circuit, radio-frequency (RF) front-end circuit device and radar sensor device | |
| CN214412729U (en) | Global short message communication module based on Beidou third-generation system | |
| CN214954079U (en) | Radar calibration system signal generating device | |
| RU84654U1 (en) | DIGITAL MICROWAVE RECEIVER WITH HIGH SECURITY | |
| CN203233411U (en) | Radio frequency transceiver for Beidou satellite navigation system | |
| CN201387485Y (en) | Compass navigation satellite system receiver module | |
| CN110940969A (en) | Digital T/R assembly for multi-beam DBF phased array system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |