CN201550121U - Ultra-low-power light receiver - Google Patents
Ultra-low-power light receiver Download PDFInfo
- Publication number
- CN201550121U CN201550121U CN2009200753602U CN200920075360U CN201550121U CN 201550121 U CN201550121 U CN 201550121U CN 2009200753602 U CN2009200753602 U CN 2009200753602U CN 200920075360 U CN200920075360 U CN 200920075360U CN 201550121 U CN201550121 U CN 201550121U
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- amplifier
- power
- gain control
- control circuit
- low
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Abstract
The utility model discloses an ultra-low-power light receiver comprising a photoelectric converter, an amplifier group, a gain control circuit and an attenuation equalization circuit, wherein the output end of the photoelectric converter is connected with a first-stage amplifier IC1; the input end of the automatic gain control circuit is connected with the amplifier IC1, and the output end thereof is connected with the attenuation equalization circuit by a second-stage amplifier IC2; the output end of the attenuation equalization circuit is connected with a third-stage amplifier IC3 and an AMP power amplifier; the AMP power amplifier is attenuated and monitored by an electric adjusting attenuator and a monitoring port and outputs after realizing power amplifying by a feed port or two output ports, the amplifiers all adopt gallium-arsenide amplifiers; and the AMP power amplifier adopts an AMP amplifier with secondary lighting-proof technology and surge suppression circuit function. The ultra-low-power light receiver has the advantages of ultra-low-power receiving, high level, low distortion, low power consumption, high signal hum ratio and the like, and is especially suitable for a field light receiver.
Description
Technical field
The utility model relates to a kind of receiver, more particularly, is a kind of ultra low power optical receiver.
Background technology
At present, on the market input optical power scope of most of optical receivers be-6～+ 3dBm, noise factor is generally at 8～10dB, exist that reference optical power is little, power consumption is high, output level is low, carrier-to-noise ratio is high, and cause the waste of luminous power, and the quantity of optical sender is more, and coverage is little, hfc plant construction cost height, and most of optical receiver can not adapt to field extreme environment.
Summary of the invention
In order to solve deficiency of the prior art, the utility model provides a kind of ultra low power optical receiver, has the reception of ultralow merit degree, high level, low distortion, low-power consumption, signal communication acoustic ratio advantages of higher, is particularly suitable for open-air optical receiver.
The purpose of this utility model realizes by the following technical solutions: the ultra low power optical receiver, by optical-electrical converter, the amplifier group, gain control circuit, the attenuation equalization circuit is formed, the output of optical-electrical converter connects first order amplifier IC1, the input of automatic gain control circuit connects first order amplifier IC1, the output of automatic gain control circuit is connected with the attenuation equalization circuit by second level amplifier IC2, the attenuation equalization circuit output end connects third level amplifier IC3 and AMP power amplifier, and the AMP power amplifier is realized exporting after the power amplification by feed mouth or two delivery outlets after electrically controlled attenuator and monitoring mouthful decay and monitoring.
Preferably, described amplifier adopts arsenic potassium synthetic technology, and described AMP power amplifier adopts the AMP amplifier with secondary shocking preventing technology and surge restraint circuit function.
Described cpu control circuit, controlling automatic gain control circuit, attenuation equalization circuit simultaneously, and be connected with keyboard, nixie display, acoustic alarm and functional indicator light, can carry out luminous power, decay and balanced the demonstration in real time, the luminous power indication range is: less than-9～and greater than 2dBm, the decay indication range is: 0～20db/ shelves, balanced indication range is: 0～10dB.
Described auto-gain circuit adopts the light-operated gain circuitry of AGC, can receive by ultra low power, has increased the luminous power dynamic range of optical receiver.
Owing to adopted above technical scheme, the utlity model has following beneficial effect:
1, the ultra low power range of receiving can reach-10～+ 2dBm;
2, output level can reach 〉=48dBmV;
3, signal communication acoustic ratio 〉=66dB;
4, use less optical receiver, just can realize the construction of network, construction cost is lower, and signal cover is wide;
5, power consumption is little, and Overall Power Consumption is 12W only.
Description of drawings
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is the gain circuitry schematic diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified
Referring to accompanying drawing 1, the ultra low power optical receiver, by optical-electrical converter, the amplifier group, gain control circuit, the attenuation equalization circuit is formed, the amplifier group comprises amplifier IC1, amplifier IC2, amplifier IC3 and AMP power amplifier, the output of optical-electrical converter connects first order amplifier IC1, the input of automatic gain control circuit connects first order amplifier IC1, the output of automatic gain control circuit is connected with the attenuation equalization circuit by second level amplifier IC2, the attenuation equalization circuit output end connects third level amplifier IC3 and AMP power amplifier, and the AMP power amplifier is realized exporting after the power amplification by feed mouth or two delivery outlets after electrically controlled attenuator and monitoring mouthful decay and monitoring.
Further, described gain control circuit adopts light-operated automatic agc circuit, can realize the ultralow reception of luminous power.
Further, described amplifier adopts arsenic potassium synthetic technology, and described AMP power amplifier adopts the AMP amplifier with secondary shocking preventing technology and surge restraint circuit function.
Referring to accompanying drawing 2, gain control circuit, radio-frequency input signals passes through attenuator, after amplification module amplifies,, produce radio frequency output branch signal simultaneously again by a splitter output main signal, the radio-frequency branch signal connects a radio frequency detection module, detection module is connected to singlechip CPU through the A/D modular converter, carries out exporting attenuator to after PID calculation process and the D/A modular converter conversion process through singlechip CPU again, forms automative interest increasing controlling circuit.
The serial data interface of described singlechip CPU is connected with interface module, and interface module connects keyboard, can realize the convenient input and the debugging of data.
Claims (3)
1. ultra low power optical receiver, by optical-electrical converter, the amplifier group, gain control circuit, the attenuation equalization circuit is formed, it is characterized in that, the output of optical-electrical converter connects first order amplifier IC1, the input of automatic gain control circuit connects first order amplifier IC1, the output of automatic gain control circuit is connected with the attenuation equalization circuit by second level amplifier IC2, the attenuation equalization circuit output end connects third level amplifier IC3 and AMP power amplifier, and the AMP power amplifier is realized exporting after the power amplification by feed mouth or two delivery outlets after electrically controlled attenuator and monitoring mouthful decay and monitoring.
2. ultra low power optical receiver according to claim 1, it is characterized in that, described gain control circuit, by attenuator, amplification module, detection module, modular converter is formed, radio-frequency input signals passes through attenuator, again after amplification module amplifies, by a splitter output main signal, produce radio frequency output branch signal simultaneously, the radio-frequency branch signal connects a radio frequency detection module, detection module is connected to singlechip CPU through the A/D modular converter, carries out exporting attenuator to after PID calculation process and the D/A modular converter conversion process through singlechip CPU again, forms automative interest increasing controlling circuit.
3. ultra low power optical receiver according to claim 1 is characterized in that, described amplifier is an arsenic potassium amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200753602U CN201550121U (en) | 2009-07-28 | 2009-07-28 | Ultra-low-power light receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200753602U CN201550121U (en) | 2009-07-28 | 2009-07-28 | Ultra-low-power light receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201550121U true CN201550121U (en) | 2010-08-11 |
Family
ID=42605305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200753602U Expired - Fee Related CN201550121U (en) | 2009-07-28 | 2009-07-28 | Ultra-low-power light receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201550121U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11001357B2 (en) | 2019-07-02 | 2021-05-11 | Raytheon Company | Tactical maneuvering ocean thermal energy conversion buoy for ocean activity surveillance |
| US11085425B2 (en) | 2019-06-25 | 2021-08-10 | Raytheon Company | Power generation systems based on thermal differences using slow-motion high-force energy conversion |
| CN114430258A (en) * | 2022-03-30 | 2022-05-03 | 成都金武科技有限公司 | Multi-branch switch matrix |
-
2009
- 2009-07-28 CN CN2009200753602U patent/CN201550121U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11085425B2 (en) | 2019-06-25 | 2021-08-10 | Raytheon Company | Power generation systems based on thermal differences using slow-motion high-force energy conversion |
| US11001357B2 (en) | 2019-07-02 | 2021-05-11 | Raytheon Company | Tactical maneuvering ocean thermal energy conversion buoy for ocean activity surveillance |
| CN114430258A (en) * | 2022-03-30 | 2022-05-03 | 成都金武科技有限公司 | Multi-branch switch matrix |
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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: 20100811 Termination date: 20150728 |
|
| EXPY | Termination of patent right or utility model |