CN207926572U - A kind of high dynamic broadband range receiver - Google Patents
A kind of high dynamic broadband range receiver Download PDFInfo
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- CN207926572U CN207926572U CN201820211511.1U CN201820211511U CN207926572U CN 207926572 U CN207926572 U CN 207926572U CN 201820211511 U CN201820211511 U CN 201820211511U CN 207926572 U CN207926572 U CN 207926572U
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Abstract
The utility model discloses a kind of high dynamic broadband range receivers, signal input part is connect with the input terminal of the first numerical-control attenuator, the output end of first numerical-control attenuator is connect by low-noise amplifier with the input terminal of the first amplifier, the output end of first amplifier connects the input terminal of six LC filters by switch, the output end of six LC filters is sequentially connected first filter by switch, first frequency mixer, second filter, second amplifier, second frequency mixer, third filter, third amplifier, second numerical-control attenuator, third frequency mixer, 4th filter, 4th amplifier, third numerical-control attenuator and the 5th amplifier.The utility model realizes ultra-wideband receiver, High Linear, Larger Dynamic range, it can be achieved that receiver high-gain dynamic range, multistage mixting circuit widens radio frequency bandwidth, and multistage gain amplifier ensures high-gain.
Description
Technical field
The utility model is related to a kind of receiver, more particularly to a kind of high dynamic broadband range receiver.
Background technology
As the important component of radar system, broadband receiver needs are efficient, fast and accurately processing receives
Broadband rf signal.With the rapid development of electronic information technology, there is the receiver of wide input signal bandwidth to believe as acquisition
The front equipment end of breath, demand are more and more stronger.And traditional short-wave receiver can only receive the signal of narrow band frequency, can not receive
Handle broadband signal.Secondly, traditional short-wave receiver dynamic range is not big enough, receiver sensitivity can be caused to reduce, and resists dry
It disturbs that ability is weak, can not ensure the quality of reception of small-signal.
Utility model content
The purpose of this utility model is that a kind of receiving sensitivity of offer is high, dynamic range is big, strong antijamming capability
High dynamic broadband range receiver.
To achieve the goals above, the technical solution adopted in the utility model is such：The high dynamic of the utility model
Broadband range receiver, including three numerical-control attenuators, six amplifiers, four filters, three-mixer, three local oscillators and control
Device, signal input part are connect with the input terminal of the first numerical-control attenuator, and the output end of the first numerical-control attenuator is put by low noise
Big device is connect with the input terminal of the first amplifier, and the output end of the first amplifier connects the defeated of six LC filters by switch
Enter end, the output ends of six LC filters is sequentially connected first filter, the first frequency mixer, second filter, the by switch
Two amplifiers, the second frequency mixer, third filter, third amplifier, the second numerical-control attenuator, third frequency mixer, the 4th filtering
Device, the 4th amplifier, third numerical-control attenuator and the 5th amplifier, on the first frequency mixer, the second frequency mixer and third frequency mixer
It is connected separately with local oscillator, local oscillator is connect with controller, and the output end of the 5th amplifier is by switching connection three
The output end of the input terminal of a preselection filter, three preselection filters is connect by switching with the input terminal of the 6th amplifier,
The output end connection signal output end of 6th amplifier.
Preferably, the controller is digital signal processor, network control unit is provided on controller.
Preferably, three preselection filters are the different bandpass filter of bandwidth of operation.
Compared with prior art, the utility model has the advantage of：The utility model realizes ultra-wideband receiver, high line
Property, Larger Dynamic range, it can be achieved that receiver high-gain dynamic range, multistage mixting circuit widens radio frequency bandwidth, multistage gain
Amplifier ensures high-gain, and fitness bigger, anti-interference ability are stronger, it is ensured that the quality of reception of small-signal.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
Below in conjunction with attached drawing, the utility model is described in further detail.
Referring to Fig. 1, the high dynamic broadband range receiver of the utility model, including three numerical-control attenuators, six amplifiers, four
Filter, three-mixer, three local oscillators and controller, signal input part are connect with the input terminal of the first numerical-control attenuator,
The output end of first numerical-control attenuator is connect by low-noise amplifier with the input terminal of the first amplifier, the first amplifier it is defeated
For outlet by switching the input terminals of the LC filters for connecting six, the output ends of six LC filters is sequentially connected the by switch
One filter, the first frequency mixer, second filter, the second amplifier, the second frequency mixer, third filter, third amplifier,
Two numerical-control attenuators, third frequency mixer, the 4th filter, the 4th amplifier, third numerical-control attenuator and the 5th amplifier, first
Local oscillator L01, L02, L03, local oscillator and control are connected separately on frequency mixer, the second frequency mixer and third frequency mixer
Device connection processed, the output end of the 5th amplifier connect the input terminal of three preselection filters, three preselection filters by switch
Output end connect with the input terminal of the 6th amplifier by switching, the output end connection signal output end of the 6th amplifier, institute
It is digital signal processor to state controller, and network control unit is provided on controller, and three preselection filters are work
The different bandpass filter of bandwidth.
Local oscillator L01, L02, L03 are VCO oscillators, which vibrates bandwidth bigger, and noise is small, flatness
It is good.The utility model realizes ultra-wideband receiver, High Linear, Larger Dynamic range, it can be achieved that receiver high-gain dynamic range,
Multistage mixting circuit widens radio frequency bandwidth, and multistage gain amplifier ensures high-gain, and fitness bigger, anti-interference ability are stronger,
It can guarantee the quality of reception of small-signal.
Claims (3)
1. a kind of high dynamic broadband range receiver, it is characterised in that：Including three numerical-control attenuators, six amplifiers, four filters,
Three-mixer, three local oscillators and controller, signal input part are connect with the input terminal of the first numerical-control attenuator, the first numerical control
The output end of attenuator is connect by low-noise amplifier with the input terminal of the first amplifier, and the output end of the first amplifier passes through
Switch connects the input terminal of six LC filters, and the output end of six LC filters is sequentially connected the first filtering by switch
Device, the first frequency mixer, second filter, the second amplifier, the second frequency mixer, third filter, third amplifier, the second numerical control
Attenuator, third frequency mixer, the 4th filter, the 4th amplifier, third numerical-control attenuator and the 5th amplifier, the first mixing
It is connected separately with local oscillator on device, the second frequency mixer and third frequency mixer, local oscillator is connect with controller, and the 5th puts
The output end of big device connects the input terminal of three preselection filters by switch, and the output end of three preselection filters passes through switch
It is connect with the input terminal of the 6th amplifier, the output end connection signal output end of the 6th amplifier.
2. high dynamic broadband range receiver according to claim 1, it is characterised in that：The controller is digital signal
Processor is provided with network control unit on controller.
3. high dynamic broadband range receiver according to claim 1, it is characterised in that：Three preselection filters are
The different bandpass filter of bandwidth of operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820211511.1U CN207926572U (en) | 2018-02-07 | 2018-02-07 | A kind of high dynamic broadband range receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820211511.1U CN207926572U (en) | 2018-02-07 | 2018-02-07 | A kind of high dynamic broadband range receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207926572U true CN207926572U (en) | 2018-09-28 |
Family
ID=63603767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820211511.1U Active CN207926572U (en) | 2018-02-07 | 2018-02-07 | A kind of high dynamic broadband range receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207926572U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109714066A (en) * | 2019-03-05 | 2019-05-03 | 成都中亚通茂科技股份有限公司 | A kind of full frequency band radio frequency directly adopts receiving and processing equipment |
| CN110518925A (en) * | 2019-08-29 | 2019-11-29 | 成都锦江电子系统工程有限公司 | A kind of high dynamic response signal receiving channel |
| CN110912569A (en) * | 2019-12-11 | 2020-03-24 | 重庆会凌电子新技术有限公司 | Ultrashort wave broadband transceiver |
-
2018
- 2018-02-07 CN CN201820211511.1U patent/CN207926572U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109714066A (en) * | 2019-03-05 | 2019-05-03 | 成都中亚通茂科技股份有限公司 | A kind of full frequency band radio frequency directly adopts receiving and processing equipment |
| CN110518925A (en) * | 2019-08-29 | 2019-11-29 | 成都锦江电子系统工程有限公司 | A kind of high dynamic response signal receiving channel |
| CN110518925B (en) * | 2019-08-29 | 2024-04-09 | 成都锦江电子系统工程有限公司 | High dynamic response signal receiving channel |
| CN110912569A (en) * | 2019-12-11 | 2020-03-24 | 重庆会凌电子新技术有限公司 | Ultrashort wave broadband transceiver |
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