CN201893792U - Power detecting and level automatic tracker - Google Patents
Power detecting and level automatic tracker Download PDFInfo
- Publication number
- CN201893792U CN201893792U CN2010206456477U CN201020645647U CN201893792U CN 201893792 U CN201893792 U CN 201893792U CN 2010206456477 U CN2010206456477 U CN 2010206456477U CN 201020645647 U CN201020645647 U CN 201020645647U CN 201893792 U CN201893792 U CN 201893792U
- Authority
- CN
- China
- Prior art keywords
- level
- power
- noise amplifier
- microprocessor
- display screen
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Circuits Of Receivers In General (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The utility model discloses a power detecting and level automatic tracker, comprising a directional coupler, a low-noise amplifier, a power detector, a microprocessor, a display screen and a simulation attenuator. A signal input end is sequentially connected with the simulation attenuator and the directional coupler. The coupling port of the directional coupler is connected with the input end of the low-noise amplifier, the output end of the low-noise amplifier is sequentially connected with the power detector and the microprocessor, and the microprocessor respectively controls the display screen the simulation attenuator and is connected with the display screen and the simulation attenuator. The power detecting and level automatic tracker can widely detect the output power of a superconduct chain circuit system or a radio frequency front end system, and has high sensitivity, and in addition, by adopting the power detecting and level automatic tracker, output power value can be displayed in time through a human-computer interface of the system, and signals exceeding the threshold value level specified by a receiver of a master station can be attenuated in real time so that the receiver of the master station is protected. In a certain range, a correct threshold value can be set so that the condition that the equipment of the master station is damaged or works abnormally caused by hyperactive signals due to various reasons is prevented.
Description
Technical field
The utility model relates to wireless communication field, comprises space and land, moves and fixing wireless communication field.
Background technology
At present in wireless communication system, after the signal that is received by antenna amplifies through filtering, low noise, enter into the main website receiver.When strong signal or interference enter the main website receiver, can make the main website receiver enter the inelastic region and produce Intermodulation Interference or burnt, so must control, realize the protection of main website receiver to the high level signal that enters the main website receiver.
Signal power commonly used detects and the level control technology is the sample of signal that will receive from antenna, amplify through radio frequency, adopt the mode of diode peak envelop detection to export linear voltage, be amplified to suitable magnitude of voltage is judged power level to MCU size by operational amplifier again, and then the attenuation of control analog attenuator, realization shows the size of output power levels value and controls, but the shortcoming of this technology is: 1, the dynamic range that detects the incoming level signal is little, can not decay on a large scale strong signal or big level interference signal are protected the main website receiver; 2, detection sensitivity is low, can not carry out tracing display to atomic weak signal.
The utility model content
The utility model purpose provides a kind of power detection and level autotracking unit, can the power output of superconduction chain-circuit system or radio-frequency front-end system be detected on a large scale, and shows by system's man-machine interface; Also can decay in real time, with protection main website receiver to the signal of the threshold level that surpasses main website receiver regulation.Within the specific limits, correct threshold values can be set, prevent that a variety of causes from causing overflow damage main website equipment or causing its operation irregularity.
Power detection of the present utility model and level autotracking unit comprise directional coupler, low noise amplifier, power detector, microprocessor, display screen, analog attenuator; The coupling aperture of wherein said directional coupler connects described low noise amplifier input, and described low noise amplifier output connects power detector, microprocessor successively, and microprocessor is control connection display screen and analog attenuator respectively.
Come to take a sample through directional coupler to the radiofrequency signal of superconduction chain-circuit system or radio-frequency front-end system output, send low noise amplifier, power detector processing to, size by described microprocessor judges power level and attenuation, the power level of controlling the output of described analog attenuator and shows the power level value size of output in the safety threshold values on described display screen.
Further, described power detector is a logarithmic detector, adopts logarithmic detector mode and Anti-Jamming Technique to reach-detection sensitivity of 100dBm, and has the power level detection scope of 70dB.
Described power detection and level autotracking unit are arranged between the output and main website receiver inlet of superconduction chain-circuit system or radio-frequency front-end system, with protection main website receiver.
Power detection of the present utility model and level autotracking unit have following advantage:
1, owing to adopt low noise amplifier and logarithmic detector mode, and Anti-Jamming Technique, described power detection and level autotracking unit performance can reach-detection sensitivity of 100dBm, realizes the power level detection on a large scale of 70dB.
2, the size by described microprocessor judges power level and attenuation; control the attenuation of described analog attenuator output power levels; can be-30～-adjust the attenuation threshold values in the 50dBm scope, in time decay strong signal or big level interference signal are protected the main website receiver.
3, can in real time the power level value size of exporting be shown convenient monitoring whole system state.
Description of drawings
Fig. 1 is the utility model power detection and level autotracking unit circuit connection diagram.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model embodiment provides a kind of power detection and level autotracking unit, comprises directional coupler, low noise amplifier, power detector, microprocessor, display screen, analog attenuator; The described low noise amplifier input that is of coupled connections of wherein said directional coupler, described low noise amplifier output connects power detector, microprocessor successively, and microprocessor is control connection display screen and analog attenuator respectively.
Behind the radiofrequency signal process attenuator of low insertion loss from superconduction chain-circuit system or radio-frequency front-end system output; again through the directional coupler sampling; send low noise amplifier to; power detector is handled; size by described microprocessor judges power level and attenuation; when detecting radiofrequency signal power and be higher than the level that main website receiver (such as the base station) allow to receive; the radiofrequency signal power output decay that can control superconduction chain-circuit system or radio-frequency front-end system drops in the threshold values of regulation; export to the main website receiver again, protect the safety of main website receiver so effectively.
Described power detection and level autotracking unit also can show the power level value size of output on described display screen, convenient monitoring whole system state.Owing to adopt low noise amplifier and logarithmic detector mode, and Anti-Jamming Technique, described power detection and level autotracking unit performance can reach-detection sensitivity of 100dBm, realizes the power level detection on a large scale of 70dB.
The typical technology index that the utility model embodiment reaches is as follows:
1. frequency range: 800～1000MHz
2. insertion loss :≤1.5dB
3. detection sensitivity :≤-100dBm
4. detection level range: 〉=70dB
5. threshold values adjustable extent: 〉=20dB.
Claims (4)
1. power detection and level autotracking unit is characterized in that, comprise directional coupler, low noise amplifier, power detector, microprocessor, display screen, analog attenuator; The coupling aperture of wherein said directional coupler connects described low noise amplifier input, and described low noise amplifier output connects power detector, microprocessor successively, and microprocessor is control connection display screen and analog attenuator respectively;
Radiofrequency signal is taken a sample through directional coupler, send low noise amplifier, power detector processing to, size by described microprocessor judges power level and attenuation, the power level of controlling the output of described analog attenuator and shows the power level value size of output in the safety threshold values on described display screen.
2. according to described power detection of claim 1 and level autotracking unit, it is characterized in that described power detector is a logarithmic detector, have the power level detection scope of 70dB, reach-detection sensitivity of 100dBm.
3. according to described power detection of claim 1 and level autotracking unit, it is characterized in that described power detection and level autotracking unit are arranged between the output and main website receiver inlet of superconduction chain-circuit system or radio-frequency front-end system.
4. according to described power detection of claim 1 and level autotracking unit, it is characterized in that, described power detection and level autotracking unit can-50dBm ~-correct threshold values is set in the 30dBm scope, prevent that a variety of causes from causing overflow to damage main website equipment or cause its operation irregularity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206456477U CN201893792U (en) | 2010-12-07 | 2010-12-07 | Power detecting and level automatic tracker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206456477U CN201893792U (en) | 2010-12-07 | 2010-12-07 | Power detecting and level automatic tracker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201893792U true CN201893792U (en) | 2011-07-06 |
Family
ID=44223261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206456477U Expired - Lifetime CN201893792U (en) | 2010-12-07 | 2010-12-07 | Power detecting and level automatic tracker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201893792U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367977A (en) * | 2016-05-11 | 2017-11-21 | 广东特信超导技术有限公司 | Multichannel superelectron intelligent monitor system |
| CN113381898A (en) * | 2021-08-16 | 2021-09-10 | 深圳市聚视智能系统有限公司 | Display module interference removing method and device, computer equipment and storage medium |
| CN113890639A (en) * | 2021-11-11 | 2022-01-04 | 中国电子科技集团公司第二十九研究所 | Device and method for detecting power of radiation unit |
| CN114567387A (en) * | 2020-11-27 | 2022-05-31 | 中国科学院国家空间科学中心 | Novel automatic electronic communication safety detection system |
-
2010
- 2010-12-07 CN CN2010206456477U patent/CN201893792U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367977A (en) * | 2016-05-11 | 2017-11-21 | 广东特信超导技术有限公司 | Multichannel superelectron intelligent monitor system |
| CN114567387A (en) * | 2020-11-27 | 2022-05-31 | 中国科学院国家空间科学中心 | Novel automatic electronic communication safety detection system |
| CN113381898A (en) * | 2021-08-16 | 2021-09-10 | 深圳市聚视智能系统有限公司 | Display module interference removing method and device, computer equipment and storage medium |
| CN113890639A (en) * | 2021-11-11 | 2022-01-04 | 中国电子科技集团公司第二十九研究所 | Device and method for detecting power of radiation unit |
| CN113890639B (en) * | 2021-11-11 | 2023-03-14 | 中国电子科技集团公司第二十九研究所 | Device and method for detecting power of radiation unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201893792U (en) | Power detecting and level automatic tracker | |
| CN106877892A (en) | A kind of anti-interference reception circuit structure, method and apparatus | |
| CN104202101A (en) | Short wave/ultra-short wave instant dynamic spectrum sensing system and method | |
| CN202772843U (en) | Long term evolution (LTE) frequency range power amplifier protecting module | |
| CN103713243B (en) | 10V inside switch cabinet discharging detection device based on electromagnetic antenna receiving array | |
| CN109120289B (en) | Short-wave radio frequency front-end processing module and method | |
| CN109633288A (en) | Mechanism of High Power Microwave Pulse signal strength test macro and method in a kind of closed bin | |
| CN205080198U (en) | Millimeter wave detector | |
| CN209488567U (en) | A kind of RF front-end module | |
| CN203933628U (en) | Satellite-signal repeater | |
| CN204089741U (en) | A kind of WiFi signal amplifier based on automatic gain control | |
| CN102565745A (en) | Ultra high-frequency partial discharge sensor | |
| CN203929976U (en) | A kind of shelf depreciation electromagnetic wave detector | |
| CN101640546B (en) | RFID reader receiving analog baseband circuit | |
| CN201018502Y (en) | Trunk amplifier for TD-SCDMA system network overlay | |
| CN201039180Y (en) | A device for protecting receiving front terminal of time division duplex system | |
| CN203827298U (en) | Power amplifier protection system | |
| CN102832892B (en) | A kind of star Ku band power amplifiers | |
| CN203705594U (en) | 10V switch cabinet internal discharge detector based on electromagnetic wave antenna reception array | |
| CN101296004A (en) | RSSI circuit of microwave outdoor unit | |
| CN109357752A (en) | A kind of method of low-voltage power line platform area's testing impedance and Noise Acquisition | |
| CN201928242U (en) | Automatic gain control device for power line carrier communication | |
| CN205195666U (en) | Module is put to basic station low noise with standing wave monitor function | |
| CN204244189U (en) | A kind of wide-band amplifier being suitable for detection ionospheric echo and detecting | |
| CN205005050U (en) | Radio signal ensures device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LIAO XIAOBIN Free format text: FORMER OWNER: GUANGZHOU BEYOND TELECOM NETWORK TECHNOLOGIES INC. Effective date: 20120712 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120712 Address after: 510663 Guangdong city of Guangzhou province Tianhe District No. 1035 high Pu Lu 7 layer Patentee after: Liao Xiaobin Address before: 510663 Guangdong city of Guangzhou province Tianhe District No. 1035 high Pu Lu 7 layer Patentee before: Guangzhou Beyond Telecom Network Technologies Inc. |
|
| ASS | Succession or assignment of patent right |
Owner name: GUANGZHOU BEYOND TELECOM NETWORK TECHNOLOGIES INC. Effective date: 20120814 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120814 Address after: 510663 Guangdong city of Guangzhou province Tianhe District No. 1035 high Pu Lu 7 layer Patentee after: Guangzhou Beyond Telecom Network Technologies Inc. Address before: 510663 Guangdong city of Guangzhou province Tianhe District No. 1035 high Pu Lu 7 layer Patentee before: Liao Xiaobin |
|
| ASS | Succession or assignment of patent right |
Owner name: KUNSHAN BEYOND TELECOM NETWORK TECHNOLOGIES INC. Free format text: FORMER OWNER: GUANGZHOU BEYOND TELECOM NETWORK TECHNOLOGIES INC. Effective date: 20130222 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 510663 GUANGZHOU, GUANGDONG PROVINCE TO: 215300 SUZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130222 Address after: Suzhou City, Jiangsu Province, Kunshan high tech Zone 215300 Dengyun Road No. 268 Patentee after: GUANGZHOU TEXIN NETWORK TECHNOLOGY CO., LTD. Address before: 510663 Guangdong city of Guangzhou province Tianhe District No. 1035 high Pu Lu 7 layer Patentee before: Guangzhou Beyond Telecom Network Technologies Inc. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150929 Address after: 510663 Guangdong city of Guangzhou province Tianhe District No. 1035 high Pu Lu seventh layer Patentee after: Guangzhou Beyond Telecom Network Technologies Inc. Address before: Suzhou City, Jiangsu Province, Kunshan high tech Zone 215300 Dengyun Road No. 268 Patentee before: GUANGZHOU TEXIN NETWORK TECHNOLOGY CO., LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110706 |