CN205080198U - Millimeter wave detector - Google Patents
Millimeter wave detector Download PDFInfo
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- CN205080198U CN205080198U CN201520725426.3U CN201520725426U CN205080198U CN 205080198 U CN205080198 U CN 205080198U CN 201520725426 U CN201520725426 U CN 201520725426U CN 205080198 U CN205080198 U CN 205080198U
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- amplifier
- wave detector
- signal
- millimetre
- chip
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Abstract
The utility model discloses a millimeter wave detector comprises low noise amplification part, decay subtotal demodulator probe, including first order amplifier, digital control attenuator, secondary amplification ware, detector diode and the logarithmic amplifier who connects gradually. The utility model discloses can be used to the millimeter wave signal detection, automatic gain control and power are surveyed, incoming signal is behind first order amplifier and digital control attenuator, the decrement can set up, with extension rectified signal dynamic, input for detector diode through the secondary amplification ware again, detector diode detects elementarily to the millimeter wave signal, this detection voltage signal sends into logarithmic amplifier again, accomplish enlargeing of faint voltage signal, rectified signal after the final output enlargies, and directly transport to post processing module.
Description
Technical field
The utility model relates to millimeter wave detection field, particularly relates to a kind of millimetre-wave detector.
Background technology
Millimetre-wave detector specially for millimeter-wave signal detection, automatic growth control, power detection application and design, existing wave detector due to tangential sensitivity and voltage sensitivity poor, directly affect the detection quality of millimeter-wave signal.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of millimetre-wave detector, for millimeter-wave signal detection, automatic growth control and power detection.
The purpose of this utility model is achieved through the following technical solutions: a kind of millimetre-wave detector, comprise the low noise amplification unit, attenuation units and the detection unit that connect successively, described low noise amplification unit comprises first order amplifier, described attenuation units comprises numerical-control attenuator, and described detection unit comprises the second level amplifier, detector diode and the logarithmic amplifier that connect successively.
Preferably, described first order amplifier comprises HMC-ALH445 chip.
Preferably, described numerical-control attenuator comprises HMC941 chip.
Preferably, described second level amplifier comprises HMC-ALH244 chip.
Preferably, described detector diode comprises HSCH-9161 chip.
Preferably, described logarithmic amplifier comprises L-17D chip.
The beneficial effects of the utility model are: the utility model is made up of low noise amplification part, attenuation portions and demodulator probe, can be used for that millimeter-wave signal detects, automatic growth control and power detection, the tangential sensitivity of existing millimetre-wave detector and the poor problem of voltage sensitivity can be solved.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model millimetre-wave detector.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail, but protection domain of the present utility model is not limited to the following stated.
As shown in Figure 1, a kind of millimetre-wave detector, comprise the low noise amplification unit, attenuation units and the detection unit that connect successively, described low noise amplification unit comprises first order amplifier, described attenuation units comprises numerical-control attenuator, and described detection unit comprises the second level amplifier, detector diode and the logarithmic amplifier that connect successively.Input signal is after first order amplifier and numerical-control attenuator, damping capacity can be arranged, to expand rectified signal dynamic range, detector diode is inputed to again through second level amplifier, detector diode carries out elementary detection to millimeter-wave signal, and this detecting circuit signal sends into logarithmic amplifier again, completes the amplification of weak voltage signals, rectified signal after final output amplification, and directly transport to post processing module.
Preferably, described first order amplifier can adopt HMC-ALH445 chip.
Preferably, described numerical-control attenuator can adopt HMC941 chip.
Preferably, described second level amplifier can adopt HMC-ALH244 chip.
Preferably, described detector diode can adopt HSCH-9161 chip.
Preferably, described logarithmic amplifier can adopt L-17D chip.
Logarithmic amplifier L-17D is the IC of working frequency range at DC-80MHz, and comprising the prime amplifier of a quick ultra-low noise, two-stage linear amplifier, 11 grades of logarithmic amplifications and linear expansion unit, two LVA circuit is directly sued for peace to export and amplified.Be linked into L-17D by the signal exported by detection diode, obtain high tangential sensitivity and high voltage sensitivity rectified signal.
Volume of the present utility model can do very little, and the radiofrequency signal detection that can realize 26GHz-40GHz exports, and realizes high tangential sensitivity and the high voltage sensitivity of rectified signal.Following function can be realized:
1, rectified signal scope: 26GHz ~ 40GHz;
2, tangential sensitivity: be less than-75dBm;
3, video detection linear dynamic range: >=40dB;
4, video frequency output log slope: 50 ± 7mV/dB;
5, video frequency output log-linear degree error :≤± 1dB;
6, video frequency output DC shift: 0mV ~ 250mV;
7, video branch road pulse width accommodation: 0.1us ~ 1000us;
8, the video pulse rise time: Tr≤30ns;
9, video pulse fall time: Tf≤30ns;
10, video noise peak-to-peak value :≤200mV during no signal input.
Describe in an illustrative manner according to a kind of millimetre-wave detector of the present utility model above with reference to accompanying drawing.But, it will be appreciated by those skilled in the art that the millimetre-wave detector that above-mentioned the utility model is proposed, various improvement can also be made on the basis not departing from the utility model content.Therefore, protection domain of the present utility model should be determined by the content of appending claims.
Claims (6)
1. a millimetre-wave detector, it is characterized in that: comprise the low noise amplification unit, attenuation units and the detection unit that connect successively, described low noise amplification unit comprises first order amplifier, described attenuation units comprises numerical-control attenuator, and described detection unit comprises the second level amplifier, detector diode and the logarithmic amplifier that connect successively.
2. a kind of millimetre-wave detector according to claim 1, is characterized in that: described first order amplifier comprises HMC-ALH445 chip.
3. a kind of millimetre-wave detector according to claim 1, is characterized in that: described numerical-control attenuator comprises HMC941 chip.
4. a kind of millimetre-wave detector according to claim 1, is characterized in that: described second level amplifier comprises HMC-ALH244 chip.
5. a kind of millimetre-wave detector according to claim 1, is characterized in that: described detector diode comprises HSCH-9161 chip.
6. a kind of millimetre-wave detector according to claim 1, is characterized in that: described logarithmic amplifier comprises L-17D chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520725426.3U CN205080198U (en) | 2015-09-18 | 2015-09-18 | Millimeter wave detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520725426.3U CN205080198U (en) | 2015-09-18 | 2015-09-18 | Millimeter wave detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205080198U true CN205080198U (en) | 2016-03-09 |
Family
ID=55432596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520725426.3U Expired - Fee Related CN205080198U (en) | 2015-09-18 | 2015-09-18 | Millimeter wave detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205080198U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108988886A (en) * | 2018-05-25 | 2018-12-11 | 南京理工大学 | Inexpensive three branch millimeter wave alarm devices receive circuit |
| CN111049487A (en) * | 2019-12-12 | 2020-04-21 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Automatic gain control circuit and control method |
| CN114374368A (en) * | 2022-01-07 | 2022-04-19 | 扬州海科电子科技有限公司 | Millimeter wave logarithmic detection video amplifier and detection device with same |
-
2015
- 2015-09-18 CN CN201520725426.3U patent/CN205080198U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108988886A (en) * | 2018-05-25 | 2018-12-11 | 南京理工大学 | Inexpensive three branch millimeter wave alarm devices receive circuit |
| CN111049487A (en) * | 2019-12-12 | 2020-04-21 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Automatic gain control circuit and control method |
| CN111049487B (en) * | 2019-12-12 | 2023-12-29 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Automatic gain control circuit and control method |
| CN114374368A (en) * | 2022-01-07 | 2022-04-19 | 扬州海科电子科技有限公司 | Millimeter wave logarithmic detection video amplifier and detection device with same |
| CN114374368B (en) * | 2022-01-07 | 2023-07-28 | 扬州海科电子科技有限公司 | Millimeter wave logarithmic detection video amplifier and detection device with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20180918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |