CN203734625U - Communication signal compensator - Google Patents
Communication signal compensator Download PDFInfo
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- CN203734625U CN203734625U CN201320882822.8U CN201320882822U CN203734625U CN 203734625 U CN203734625 U CN 203734625U CN 201320882822 U CN201320882822 U CN 201320882822U CN 203734625 U CN203734625 U CN 203734625U
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Abstract
The utility model provides a communication signal compensator. The communication signal compensator comprises a signal detector, a compensation switch, a signal amplification circuit and an output interface; the signal detector is used for detecting the current signal intensity; when a signal is weak to a certain threshold, the compensation switch is turned on and the signal amplification circuit is used for amplifying the signal; the signal amplification ratio is proportional to the signal intensity; the signal compensator can be connected with a mobile phone, a computer or other electronic devices needing wireless Internet access by virtue of the output interface; the signal compensator is automatically turned on according to the intensity of a network signal and used for signal compensation. The communication signal compensator has the functions of signal intensity detection and signal amplification, and also has an intelligent automatic signal compensation enabling function without the addition of other extra operations; the signal amplification circuit in the communication signal compensator is a gallium arsenide radio-frequency amplifier, and has the advantages of high response speed, high magnification times, sensitive induction to communication bands, high adaptability to environments, and the like.
Description
Technical field
The utility model relates to a kind of amplifier of signal compensation, specifically a kind of communication signal compensator and compensation method.
Background technology
Along with the development of network technology, digital communication has affected daily life, as day by day universal in the online application of the electronic equipment such as mobile phone, computer, has become a requisite part in people's daily life.The whole world has 7,000,000,000 populations at present, and cellphone subscriber exceedes 6,000,000,000, and people's life is inseparable with communication as can be seen here.But a lot of areas are because capital construction is undeveloped, and signal tower is fewer, and signal coverage rate is narrower, there is the extremely weak situation of communication signal, cannot meet normal communication need, bring great inconvenience to people's life.Even if also there is a lot of communications dead angle in flourishing the inside, city, as elevator, underground garage etc., therefore needs communication signal compensator to amplify, strengthen faint communication signal, realizes comprehensive accessible real-time communication.
As disclosed a kind of mobile phone receiving and transmitting signal amplifier in Chinese patent literature CN2641956Y, comprise and receive signal amplification circuit and transmission signal amplifying circuit, by reception antenna, signal receiving module, and filtering circuit, power amplification circuit, secondary vibrational stabilization circuit, signal amplification circuit, three grades of vibrational stabilization circuit and signal emission module composition, reception antenna output is connected with the input of one-level vibrational stabilization circuit, the output of one-level vibrational stabilization circuit is connected with the input of power amplification circuit, the output of power amplification circuit is connected with the input of secondary vibrational stabilization circuit, the output of secondary vibrational stabilization circuit is connected with the input of signal amplification circuit, the output of signal amplification circuit is connected with the input of three grades of vibrational stabilization circuit, this scheme can be that the weak area of mobile phone signal or occasion strengthen signal, improve call completing rate and the speech quality of mobile phone.But, this signal amplifier is in the time amplifying signal, amplify according to default multiplication factor executive signal, no matter current network signal be strong or a little less than, its function is all identical, due to some local signal unstable, in the time that this regional signal is strong, do not need to amplify, when a little less than this regional signal, just need to amplify, therefore when this equipment uses in the region of jitter, in the time that this regional signal is strong, can cause the wasting of resources, when a little less than this regional signal, the degree of strength of signal is also unstable, this scheme keeps a fixing multiplication factor constant, easily cause the signal after amplifying also unstable.In addition, a little less than the said equipment is generally fixed on some signal or unsettled region, is unfavorable for carrying, and plays a role in real time.GaAs chip has almost monopolized the power amplification market in mobile phone manufacture at present, and indium phosphide RF and microwave chip has monopolized more high-end military and civilian communication system.
A kind of semiconductor device and power amplifier are disclosed in Chinese patent literature CN101053151A, between input terminal and lead-out terminal, be connected in parallel multiple amplifying circuits to form semiconductor device, the steady resistance that amplifying circuit connects by HBT, at the vibrational stabilization circuit connecting between input terminal and the base stage of HBT, between bias terminal and the base stage of HBT.In this scheme, disclose the amplifier of a kind of HBT of use, although it can realize the amplification to signal, still cannot realize according to the power of signal and realize different amplification degree.
Utility model content
For this reason, technical problem to be solved in the utility model is that signal amplifier multiplication factor of the prior art remains unchanged, causes the wasting of resources, the unsettled problem of amplified signal, thereby proposes the adjustment automatically of a kind of multiplication factor, energy savings and the stable signal amplifying apparatus of amplified signal.
For solving the problems of the technologies described above, the utility model provides a kind of communication signal compensator, comprising:
Signal sensor, surveys current signal strength signal intensity;
Compensating switch, is connected with described signal sensor, and closure when signal is weak disconnects when signal is strong;
Receive signal amplification circuit, it is connected with described signal sensor by compensating switch, and the power of the signal of surveying according to described signal sensor is carried out signal amplification, and signal strength signal intensity is remained in certain scope;
Output interface, is connected with described reception signal amplification circuit, and the access interface of peripheral hardware is provided, and it sends to the amplifying signal that receives signal amplification circuit output the signal input part of peripheral hardware.
Described communication signal compensator, also comprises transmitted signal amplifying circuit, and it is connected with the signal output part of peripheral hardware, and the signal of the signal output part output of reception peripheral hardware also carries out after signal amplifies sending.
Described communication signal compensator, described reception signal amplification circuit or transmitted signal amplifying circuit comprise respectively multistage amplifier circuit, the power of the signal of surveying according to described signal sensor, described compensating switch actuating section or all amplifying circuit.
Described communication signal compensator, described reception signal amplification circuit or transmitted signal amplifying circuit comprise the one-level amplifying circuit, second amplifying circuit and the three-stage amplifier that connect successively.
Described communication signal compensator, every grade of amplifying circuit comprises vibrational stabilization circuit and GaAs amplifier, vibrational stabilization circuit comprises an electric capacity and in parallel resistance with it, described vibrational stabilization circuit is connected with the base stage of GaAs amplifier, the collector electrode of described GaAs amplifier is connected with peripheral hardware, this collector electrode is connected with collector supply terminal by a choking-winding simultaneously, the grounded emitter of described GaAs amplifier.
Described communication signal compensator, the base stage of described HBT power amplifier is also connected with hot protective resistance.
Described communication signal compensator, in the chip of described communication signal compensator implantable electronic or as equipment independently.
Described communication signal compensator, described signal sensor is mobile phone signal survey meter, described output interface comprises USB interface, serial ports or blue tooth interface.
Technique scheme of the present utility model has the following advantages compared to existing technology,
(1) the utility model provides a kind of communication signal compensator, comprise signal sensor, compensating switch and reception signal amplification circuit and output interface, survey current signal strength signal intensity by signal sensor, in the time that weak output signal arrives certain threshold value, open compensating switch, by receiving signal amplification circuit, signal is amplified, and ratio and signal power that signal amplifies are proportional, this signal compensator can be by output interface and mobile phone, computer or other electronic equipments that need to get online without being tethered to a cable connect, automatically open and carry out signal compensation according to the power of network signal.This scheme has signal strength detection and signal amplifying function, and there is intelligent autoamtic signal compensation open function, do not need to add other operation bidirectional, efficiently solving signal amplifier of the prior art can only be always in magnifying state, causing the wasting of resources, the unsettled problem of amplified signal, is the portable communication signal compensator that the adjustment automatically of a kind of multiplication factor, energy savings and amplified signal are stable.
(2) communication signal compensator described in the utility model, the signal output part of peripheral hardware sends to the signal of output the signal input part of transmitted signal amplifying circuit, this transmitted signal amplifying circuit sends after the output signal of peripheral hardware is amplified, this communication signal compensator can also amplify the signal of output, due to the place a little less than signal, its signal sending out also can be more weak, affect the transmission of signal, therefore in the region of poor signal, when the signal of input is amplified, also can further amplify the signal of output, the input signal of peripheral hardware and the intensity of output signal have been improved simultaneously, for the stable transfer of signal provides safeguard.
(3) communication signal compensator described in the utility model, has body less, and quality is light, easy to carry, dismantles the features such as convenient, can inlay or be linked into personal telecommunication terminal system, as being connected with peripheral hardware by external interface, its signal is compensated; Or this communication signal compensator can also be implanted in the chip of mobile phone or computer, be started when time a little less than signal, the not occupying volume external space, for personal telecommunication terminal provides the function of signal compensation.
(4) communication signal compensator described in the utility model, comprise multistage amplifier circuit, one-level amplifying circuit, second amplifying circuit and the three-stage amplifier connecting successively as comprised or more multi-level amplifying circuit, also can select other controlled discharge circuits of multiplication factor, the power of the signal of surveying according to described signal sensor, actuating section or all amplifying circuit, realized the processing mode that different strong and weak signals is adopted to different multiplication factors, ensured the stability of signal.
(5) communication signal compensator described in the utility model, every grade of amplifying circuit comprises a GaAs radio frequency amplifier, what in this scheme, in signal amplification circuit, use is GaAs radio frequency amplifier, there is fast response time, multiplication factor is high, sensitive to communication band induction, to plurality of advantages such as adaptive capacity to environment are strong.
(6) communication signal compensator described in the utility model, described output interface comprises the interface of USB interface, serial ports or blue tooth interface and other types, be connected with peripheral hardware by above-mentioned Interface realization, as connect the electronics equipments for surfing the net such as notebook computer, ipad, mobile phone, for these terminals provide the compensate function of the communication signal under weak signal.
(7) communication signal compensator described in the utility model, amplifying circuit comprises vibrational stabilization circuit, vibrational stabilization circuit comprises an electric capacity and in parallel resistance with it, its effect is to stop low-frequency noise signal, allow RF communication signal pass through, described vibrational stabilization circuit is connected with the base stage of HBT, the collector electrode of described GaAs amplifier is connected with peripheral hardware, connect a choking-winding simultaneously, the effect of choking-winding is herein to prevent that the high-frequency signal being amplified by GaAs HBT from revealing from collector supply terminal Vcc, the grounded emitter of described GaAs HBT.The base stage of described GaAs HBT is also connected with hot protective resistance, and its effect is to prevent that GaAs HBT is because of the excessive excess Temperature of electric current.
Brief description of the drawings
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the signal amplification principle figure of an embodiment of communication signal compensator described in the utility model;
Fig. 2 is the signal amplification principle figure of another embodiment of communication signal compensator described in the utility model;
Fig. 3 is the signal amplification circuit figure of an embodiment of communication signal compensator described in the utility model.
Embodiment
Embodiment 1:
A kind of communication signal compensator is provided in the present embodiment, comprises signal sensor, compensating switch and receive signal amplification circuit and output interface, as shown in Figure 1, dotted portion is the communication signal compensator described in the present embodiment.Signal sensor is for surveying current signal strength signal intensity.Surveying individual mobile terminal by signal sensor receives the intensity of signal and feeds back to signal amplification circuit.Compensating switch is connected with described signal sensor, and closure when signal is weak disconnects when signal is strong.Compensating switch plays the on-off action that receives signal amplification circuit.In the time that signal weakens, start signal amplifying circuit, compensating signal loss, ensures communication quality; In the time that signal is good, shutdown signal amplifying circuit, saves the energy, improves energy utilization rate.Receive signal amplification circuit, be connected with described signal sensor by compensating switch, the power of the signal of surveying according to described signal sensor is carried out signal amplification, signal strength signal intensity is remained in certain scope, and the amplifying signal of described reception signal amplification circuit output sends to the signal input part of peripheral hardware to connect.Signal amplification circuit herein can be selected the controlled amplifier of multiplication factor, and the intensity of the signal detecting according to described signal sensor is rationally amplified, and makes it reach certain signal strength range.If signal very a little less than, reach the multiple that this signal strength signal intensity need to amplify larger, select larger multiplication factor, if this signal strength signal intensity is not very weak, needing to amplify less multiple can meet, and selects to amplify less multiple.By the multiplication factor of control signal amplifying circuit, carry out energy efficient and ensure the stable of signal.Signal amplification circuit receives the switch motion from compensating switch, opens or close enlarging function.When unlatching, to the signal receiving be amplified, multiplication factor and signal weaken degree journey direct ratio, remain normally carrying out of communication, can realize by the controlled amplifying circuit of multiplication factor herein, or realize by multistage amplifier circuit, select to connect part or all of amplifying circuit according to the intensity of signal.Core devices in amplifying circuit is GaAs radio frequency amplifier, and GaAs amplifier has fast response time, and multiplication factor is high, sensitive to communication band induction, to plurality of advantages such as adaptive capacity to environment are strong.Output interface is connected with described reception signal amplification circuit, and the access interface of peripheral hardware is provided.By this output interface, the amplifying signal that receives signal amplification circuit output is sent to the signal input part of peripheral hardware, thereby realization is connected with personal telecommunication terminal, be connected with personal terminal such as personal mobile phone/computers by standard interface, for personal terminal provides the function of communication signal auto-compensation under weak signal.
As the execution mode that can convert, described signal sensor can be chosen as mobile phone signal detector or other microwave signal detectors.Described reception signal amplification circuit herein can be set to comprise three-stage amplifier or more multi-level amplifying circuit, be that one-level amplifying circuit, second amplifying circuit and three-stage amplifier etc. are connected successively, realize the controlled of multiplication factor by the amplifying circuit of selecting the different numbers of different stage like this, as required signal is amplified.The degree of strength of the signal of surveying according to described signal sensor, actuating section or all amplifying circuit.Amplifying circuit can adopt GaAs amplifier (as HBT), has fast response time, and multiplication factor is high, sensitive to communication band induction, to plurality of advantages such as adaptive capacity to environment are strong.
The communication signal compensation method that communication signal compensator in the present embodiment is corresponding is as follows: by the signal strength signal intensity of signal sensor Real-Time Monitoring current environment, survey current signal strength signal intensity by signal sensor.In the time that signal strength signal intensity reaches certain threshold value, think that this signal is normal signal, do not need compensation, now compensating switch disconnects, and in the time that the signal detecting is normal signal, this signal is directly sent into external equipment as in chip for cell phone.In the time that the signal strength signal intensity detecting is less than certain threshold value, assert that this signal is small-signal, need to compensate.Compensating switch selects to connect part or all of signal amplification circuit according to this signal strength signal intensity, for the controlled amplifying circuit of multiplication factor, can select suitable multiplication factor, by signal amplification circuit, current signal is amplified, then send to the signal input part of peripheral hardware, in the chip of mobile phone.This flow process is referring to the block diagram of Fig. 1.Signal sensor also can continue the signal strength signal intensity of Real-Time Monitoring current environment, in the time that the variation of signal strength signal intensity acquires a certain degree, re-starts judgement, disconnects or connects compensating switch, and redefining the part or all of amplifying circuit of connection.In this way, make the power consumption of signal amplification circuit remain on reasonably required degree, saved the energy, and ensured the stability of signal.
Embodiment 2:
Another communication signal compensator is provided in the present embodiment, in the present embodiment, this communication signal compensator, except the structure possessing in above-described embodiment 1, also has the enlarging function of a peripheral hardware output signal, as shown in Figure 2, dotted portion is the communication signal compensator described in the present embodiment.This communication signal compensator, by the power of signal sensor detectable signal, in the time that the signal detecting is weaker than certain degree, opens reception signal amplification circuit by compensating switch I, carries out to the received signal signal amplification.If normal signal strength signal intensity does not need to amplify.In the present embodiment, the signal sending for peripheral hardware amplifies equally, and the signal transmission sending for peripheral hardware is opened or disconnected transmitted signal amplifying circuit by compensating switch II, signal to peripheral hardware output amplifies, and can carry out rational signal amplification according to the power of current demand signal equally.
As disposable execution mode, the transmitted signal amplifying circuit that the signal output part of peripheral hardware connects, can control together by compensating switch I, or independent switch (as compensating switch II herein) is in addition set to be controlled, transmitted signal amplifying circuit herein can be selected and receive that signal amplification circuit is multiplexing to be realized, and also can realize by independent signal amplification circuit.The compensation of peripheral hardware output signal is also selected to compensate similar mode with input signal herein, carry out reasonable compensation according to the size of current environment signal strength signal intensity, keep the stable of its output signal.Peripheral hardware sends to the signal of output the signal input part of described transmitted signal amplifying circuit, this signal amplification circuit sends after the output signal of peripheral hardware is amplified, realize the function that this communication signal compensator amplifies the signal of peripheral hardware output, due to the place a little less than signal, its signal sending out also can be more weak, affect the transmission of signal, therefore in the region of poor signal, when the signal of input is amplified, also can further amplify the signal of output, the input signal of peripheral hardware and the intensity of output signal have been improved simultaneously, for the stable transfer of signal provides safeguard.
The compensation method of the communication signal compensator in the present embodiment is as follows: the signal strength signal intensity of signal sensor Real-Time Monitoring current environment, in the time that signal strength signal intensity reaches certain threshold value, compensating switch I disconnects, the normal input peripheral of signal, in the time that signal strength signal intensity is less than this threshold value, compensating switch I is selected to connect according to this signal strength signal intensity and is partly or entirely received signal amplification circuit, sends to the signal input part of peripheral hardware after by signal amplifier I, current signal being amplified.In the time of the outside transmitted signal of peripheral hardware, by the control of compensating switch II, in the time that signal is normal, the normal transmitted signal of peripheral hardware, when a little less than signal, compensating switch II is carried out signal amplification by transmitted signal amplifying circuit by the output signal of peripheral hardware, then the signal after amplifying is sent.Signal sensor continues the signal strength signal intensity of Real-Time Monitoring current environment, in the time that the variation of signal strength signal intensity acquires a certain degree, repeat previous step, again disconnect or connection compensating switch, and redefine connect part or all of amplifying circuit, thereby make the signal that receives and export reach rational compensation, the stability of inhibit signal.
Communication signal compensator described in the utility model, there is body less, quality is light, easy to carry, dismantle the features such as convenient, can inlay or be linked into personal telecommunication terminal system, as being connected with peripheral hardware by external interface, its signal is compensated, and output interface can be selected USB interface, serial ports or blue tooth interface herein; Or this communication signal compensator can also be implanted in the chip of mobile phone or computer, be started when time a little less than signal, the not occupying volume external space, for personal telecommunication terminal provides the function of signal compensation.
Embodiment: 3:
A kind of communication signal compensator is provided in the present embodiment, comprises signal sensor, compensating switch and receive signal amplification circuit and transmitted signal amplifying circuit output interface.
Particularly, signal sensor is mobile phone signal detector, or adopts signal detector or the signal receiver of other types, can be also the RF signal sensor in chip for cell phone, for detection of signal strength signal intensity, can detect the power of the signal in current environment.Compensating switch can be selected controlled electronic switch, also can select to reach the switching circuit that some strength is openable electronic power switch composition, as the switching circuit of the composition such as CMOS, IGBT.When the mobile phone signal strength retrogression who detects is to a certain extent time, this compensating switch closure, makes signal amplification circuit work.
Receiving signal amplification circuit is all, by processing, small-signal pulse code modulation is become to large-signal pulse code with transmitted signal amplifying circuit, then exports large-signal.In order to ensure the quality of the signal of exporting, need to amplify and filtering processing through multiple signal, therefore in signal amplification circuit, can comprise multistage amplifier circuit.The concrete structure of the one stage signal amplifying circuit in the present embodiment as shown in Figure 3, amplifier is wherein selected GaAs amplifier, general GaAs amplifier is GaAs HBT, as GaAs HBT or InPHBT, amplifying circuit comprises vibrational stabilization circuit, vibrational stabilization circuit comprises a capacitor C and in parallel resistance R 1 with it, its effect is to stop low-frequency noise signal, allow RF communication signal pass through, described vibrational stabilization circuit is connected with the base stage B of GaAs HBT, the collector electrode C of GaAs HBT is connected with peripheral hardware, be connected with collector supply terminal by choking-winding R3 simultaneously, the effect of choking-winding R3 is herein to prevent that the high-frequency signal being amplified by GaAs HBT from revealing from collector supply terminal Vcc, the emitter E ground connection of described GaAs HBT.The base stage B of described GaAs HBT is also connected with hot protective resistance R2, and its effect is to prevent that GaAs HBT is because of the excessive excess Temperature of electric current.
GaAs amplifier in above-mentioned amplifying circuit is HBT, it is heterojunction bipolar transistor, the feature such as have power density and gain is high, phase noise is low, the linearity good, single supply work, chip area are little and cost performance is low, meets the requirement of the radio frequencies such as the required low noise of wireless telecommunications, high efficiency, high linear, high stability and multistage amplification and microwave amplifier.At present, HBT has been widely used in radio mobile communication field, and the particularly panel computer such as mobile phone and iPad and high speed optical communication system, as light modulation drive circuit, Clock Extraction, data recovery, MUX/DEMUX and optical receiver circuit.Heterojunction bipolar transistor is mainly gallium arsenide epitaxy technology and the device making technics based on ripe at present, (broad stopband gallium aluminum arsenide (GaAlAs) or indium gallium phosphorus (InGaP) are as emitter to adopt N-shaped, highly doped p-type GaAs (GaAs) thin layer is as base stage, and N-shaped GaAs (GaAs) or indium gallium phosphorus (InGaP) are as collector.HBT as described in list of references 1, compare with traditional AlGaAs/GaAs HBT, Heat stability is good, the defect with material are few, current gain is high, good process repeatability and device reliability advantages of higher, using InGaP as emitter or the single heterojunction bipolar transistor (SHBT) of collector and double hetero bipolar transistor (DHBT) there is high-breakdown-voltage, low offset voltage, the features such as low 1/f noise electric current, the problem of collector charge accumulation while having eliminated High frequency amplification, is suitable for as low noise high frequency communication amplifier.The relevant introduction of GaAs amplifier specifically can be referring to: RF technologies for low power wireless communications, Edited by Tatsuo Itoh, George Haddad, James Harvey, (2001) John Wiley & Sons, Inc.
Communication signal compensator in the present embodiment, signal amplification circuit wherein adopts GaAs HBT radio frequency amplifier technology, faint wireless communication signal can be amplified to can be to meet the degree of daily communication need, allow communication again without dead angle, allow user's moment receive and send high-quality communication signal.
As the output interface being connected with peripheral hardware, it can be set to the standard interface equipments such as USB interface, serial ports or blue tooth interface, directly be connected with the personal terminal such as mobile phone, computer, or the mode that adopts chip to insert is put into the chip internal of electronic equipment, in the time that signal is weak, automatically starts and strengthen signal, make radio communication more unimpeded.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all execution modes.And the apparent variation of being extended out thus or variation are still among the protection range in this creation.
Claims (8)
1. a communication signal compensator, is characterized in that, comprising:
Signal sensor, surveys current signal strength signal intensity;
Compensating switch, is connected with described signal sensor, and closure when signal is weak disconnects when signal is strong;
Receive signal amplification circuit, it is connected with described signal sensor by compensating switch, and the power of the signal of surveying according to described signal sensor is carried out signal amplification, and signal strength signal intensity is remained in certain scope;
Output interface, is connected with described reception signal amplification circuit, and the access interface of peripheral hardware is provided, and it sends to the amplifying signal that receives signal amplification circuit output the signal input part of peripheral hardware.
2. communication signal compensator according to claim 1, is characterized in that: also comprise transmitted signal amplifying circuit, it is connected with the signal output part of peripheral hardware, and the signal of the signal output part output of reception peripheral hardware also carries out after signal amplifies sending.
3. communication signal compensator according to claim 1 and 2, it is characterized in that: described reception signal amplification circuit or transmitted signal amplifying circuit comprise respectively multistage amplifier circuit, the power of the signal of surveying according to described signal sensor, described compensating switch actuating section or all amplifying circuit.
4. communication signal compensator according to claim 3, is characterized in that: described reception signal amplification circuit or transmitted signal amplifying circuit comprise the one-level amplifying circuit, second amplifying circuit and the three-stage amplifier that connect successively.
5. communication signal compensator according to claim 4, it is characterized in that: every grade of amplifying circuit comprises vibrational stabilization circuit and GaAs amplifier, vibrational stabilization circuit comprises an electric capacity and in parallel resistance with it, described vibrational stabilization circuit is connected with the base stage of GaAs amplifier, the collector electrode of described GaAs amplifier is connected with peripheral hardware, this collector electrode is connected with collector supply terminal by a choking-winding simultaneously, the grounded emitter of described GaAs amplifier.
6. communication signal compensator according to claim 5, is characterized in that: the base stage of described GaAs amplifier is also connected with hot protective resistance.
7. communication signal compensator according to claim 6, is characterized in that: in the chip of described communication signal compensator implantable electronic or as equipment independently.
8. communication signal compensator according to claim 1, is characterized in that: described signal sensor is mobile phone signal survey meter, and described output interface comprises USB interface, serial ports or blue tooth interface.
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| CN201320882822.8U CN203734625U (en) | 2013-12-30 | 2013-12-30 | Communication signal compensator |
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| CN201320882822.8U CN203734625U (en) | 2013-12-30 | 2013-12-30 | Communication signal compensator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202449A (en) * | 2014-09-23 | 2014-12-10 | 纳英诺尔科技（深圳）有限公司 | Telephone line extender and telephone |
| CN104766421A (en) * | 2015-03-25 | 2015-07-08 | 张彬彬 | Burglar alarm remote control device |
| CN107613495A (en) * | 2017-09-29 | 2018-01-19 | 深圳市盛路物联通讯技术有限公司 | A kind of solution lock control method and control terminal based on aerial signal |
| CN113037580A (en) * | 2019-12-09 | 2021-06-25 | 中国电信股份有限公司 | Signal test method and signal test system |
-
2013
- 2013-12-30 CN CN201320882822.8U patent/CN203734625U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104202449A (en) * | 2014-09-23 | 2014-12-10 | 纳英诺尔科技（深圳）有限公司 | Telephone line extender and telephone |
| CN104766421A (en) * | 2015-03-25 | 2015-07-08 | 张彬彬 | Burglar alarm remote control device |
| CN107613495A (en) * | 2017-09-29 | 2018-01-19 | 深圳市盛路物联通讯技术有限公司 | A kind of solution lock control method and control terminal based on aerial signal |
| CN113037580A (en) * | 2019-12-09 | 2021-06-25 | 中国电信股份有限公司 | Signal test method and signal test system |
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Granted publication date: 20140723 Termination date: 20171230 |