CN203086406U - Amplification demodulation equipment - Google Patents
Amplification demodulation equipment Download PDFInfo
- Publication number
- CN203086406U CN203086406U CN 201220640653 CN201220640653U CN203086406U CN 203086406 U CN203086406 U CN 203086406U CN 201220640653 CN201220640653 CN 201220640653 CN 201220640653 U CN201220640653 U CN 201220640653U CN 203086406 U CN203086406 U CN 203086406U
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- circuit
- pass filter
- demodulation
- signal output
- signal input
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Abstract
The utility model provides amplification demodulation equipment, comprising a band-pass filter circuit, a linear amplification circuit, a low-pass filter circuit, a demodulation circuit, and a differential converting circuit, wherein a signal output terminal of the band-pass filter circuit is connected with a signal input terminal of the linear amplification circuit; a signal output terminal of the linear amplification circuit is connected with a signal input terminal of the low-pass filter circuit; a signal output terminal of the low-pass filter circuit is connected with a signal input terminal of the demodulation circuit; and a signal output terminal of the demodulation circuit is connected with a signal input terminal of the differential converting circuit. According to the amplification demodulation equipment provided by the utility model, voltage signals are demodulated out after signals are amplified, filtered, and balanced, and then demodulated single-ended signals are subjected to differential conversion to obtain a group of differential electrical levels which are adjustable in baseline electrical level and logarithmic gradient and identical in amplitude, thereby realizing a relatively wide demodulation linear dynamic scope and achieving demodulation of a relatively high sensitivity.
Description
Technical field
The utility model relates to and a kind of radiofrequency signal is converted to the equipment of analog voltage signal, belongs to the radar communication technical field.
Background technology
Progress along with the radar communication technology, requirement to radar communication equipment is also more and more higher, particularly the amplification demodulator link before the A/D digital sample needs a kind of detection linear dynamic range detection equipment big and detection of realization high sensitivity that signal is carried out detection effectively.And existing detection equipment can't be implemented in the big detection linear dynamic range of having of radar communication field and can realize the detection equipment of higher sensitivity detection.
Summary of the invention
The purpose of this utility model provides a kind of detection equipment that is applied to the big detection linear dynamic range of having of radar communication field and can realizes the higher sensitivity detection.
The purpose of this utility model is achieved through the following technical solutions:
A kind of amplification demodulator equipment, comprise bandwidth-limited circuit, linear amplifier circuit, low-pass filter circuit, detecting circuit and differential conversion circuit, the signal output part of bandwidth-limited circuit is connected with the signal input part of linear amplifier circuit, the signal output part of linear amplifier circuit is connected with the signal input part of low-pass filter circuit, the signal output part of low-pass filter circuit is connected with the signal input part of detecting circuit, and the signal output part of detecting circuit is connected with the signal input part of differential conversion circuit.
By the bright technical scheme that provides of above-mentioned utility model as can be seen, the amplification demodulator equipment that the utility model provides passes through after the equilibrium of signal process amplification filtering, detection goes out voltage signal, then the single-ended signal after the detection is carried out differential conversion and obtain one group of differential level that baseline level is adjustable, log slope is adjustable, amplitude equates, realized a kind of detection equipment that has big detection linear dynamic range and can realize the higher sensitivity detection.
Description of drawings
Fig. 1 is the structural representation of the amplification demodulator equipment that provides of embodiment of the present utility model;
Fig. 2 is the product design figure of the amplification demodulator equipment that provides of embodiment of the present utility model.
Embodiment
The utility model embodiment provides a kind of amplification demodulator equipment, as illustrated in fig. 1 and 2, comprise bandwidth-limited circuit 1, linear amplifier circuit 2, low-pass filter circuit 3, detecting circuit 4 and differential conversion circuit 5, the signal output part of bandwidth-limited circuit 1 is connected with the signal input part of linear amplifier circuit 2, the signal output part of linear amplifier circuit 2 is connected with the signal input part of low-pass filter circuit 3, the signal output part of low-pass filter circuit 3 is connected with the signal input part of detecting circuit 4, and the signal output part of detecting circuit 4 is connected with the signal input part of differential conversion circuit 5.
Concrete, the detection multiplying arrangement that this embodiment provides adopts aluminum hull shielding profile, the input of SMA interface, and employing encapsulation process measure and integrated, to realize the filtering amplification demodulator, after its basic function is the small-signal of general-70dBm, the 500MHz that linear dynamic range is 65dB ~ 6000MHz signal process amplification filtering equilibrium, detection goes out voltage signal, then for satisfying long line transmission and anti-interference requirement, single-ended signal after the detection is handled, and differential conversion obtains one group of differential level that baseline level is adjustable, log slope is adjustable, amplitude equates.Adopt miniaturization, integrated microwave assembly technology on the structure, in the making.Have very high reliability requirement realized highly sensitive, jamproof detection module, it is big and realize the difficult problem of high sensitivity detection making both to have obtained compatibility to a certain extent to have solved the detection linear dynamic range.
The key issue that will solve in the making is to produce.The amplification demodulator equipment that this embodiment provides adopts little assembling mode.In actual production, by the method for miniaturization assembling, make the technology of amplification demodulator equipment can satisfy the batch process performance requirement, finally realized qualified products.
The technical indicator of product is as follows:
| Working frequency range | 800MHZ～6GHZ |
| Passband fluctuation | ±3dB |
| Dynamic range | 65dB |
| Log slope | 60mv/dB |
| Detection sensitivity | -70dBm |
| Baseband level | 0±50mV |
| Detecting circuit | Anode 0～2.1v, negative terminal-2.1v～0 |
| The rising edge time | ≤30ns |
The above; it only is the preferable embodiment of the utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.
Claims (2)
1. amplification demodulator equipment, comprise bandwidth-limited circuit, linear amplifier circuit, low-pass filter circuit, detecting circuit and differential conversion circuit, it is characterized in that, the signal output part of bandwidth-limited circuit is connected with the signal input part of linear amplifier circuit, the signal output part of linear amplifier circuit is connected with the signal input part of low-pass filter circuit, the signal output part of low-pass filter circuit is connected with the signal input part of detecting circuit, and the signal output part of detecting circuit is connected with the signal input part of differential conversion circuit.
2. amplification demodulator equipment according to claim 1 is characterized in that, it is the filter circuit of 500MHz ~ 6000MHz that described bandwidth-limited circuit adopts linear dynamic range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220640653 CN203086406U (en) | 2012-11-28 | 2012-11-28 | Amplification demodulation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220640653 CN203086406U (en) | 2012-11-28 | 2012-11-28 | Amplification demodulation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203086406U true CN203086406U (en) | 2013-07-24 |
Family
ID=48832208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220640653 Expired - Lifetime CN203086406U (en) | 2012-11-28 | 2012-11-28 | Amplification demodulation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203086406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111726089A (en) * | 2020-07-07 | 2020-09-29 | 上海交通大学 | Intermediate frequency ultrasonic signal processing application system received by transducer |
-
2012
- 2012-11-28 CN CN 201220640653 patent/CN203086406U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111726089A (en) * | 2020-07-07 | 2020-09-29 | 上海交通大学 | Intermediate frequency ultrasonic signal processing application system received by transducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Amplification demodulation equipment Effective date of registration: 20160607 Granted publication date: 20130724 Pledgee: Beijing agricultural investment microfinance Co.,Ltd. Pledgor: BEIJING ZHONGXUN SIFANG SCIENCE & TECHNOLOGY CO.,LTD. Registration number: 2016990000426 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170330 Granted publication date: 20130724 Pledgee: Beijing agricultural investment microfinance Co.,Ltd. Pledgor: BEIJING ZHONGXUN SIFANG SCIENCE & TECHNOLOGY CO.,LTD. Registration number: 2016990000426 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Amplification demodulation equipment Effective date of registration: 20170428 Granted publication date: 20130724 Pledgee: Beijing agricultural investment microfinance Co.,Ltd. Pledgor: BEIJING ZHONGXUN SIFANG SCIENCE & TECHNOLOGY CO.,LTD. Registration number: 2017990000358 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180927 Granted publication date: 20130724 Pledgee: Beijing agricultural investment microfinance Co.,Ltd. Pledgor: BEIJING ZHONGXUN SIFANG SCIENCE & TECHNOLOGY CO.,LTD. Registration number: 2017990000358 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |
|
| CX01 | Expiry of patent term |