CN105071777A - Signal amplifying circuit and device - Google Patents
Signal amplifying circuit and device Download PDFInfo
- Publication number
- CN105071777A CN105071777A CN201510487996.8A CN201510487996A CN105071777A CN 105071777 A CN105071777 A CN 105071777A CN 201510487996 A CN201510487996 A CN 201510487996A CN 105071777 A CN105071777 A CN 105071777A
- Authority
- CN
- China
- Prior art keywords
- resistance
- module
- output
- signal
- input
- 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.)
- Granted
Links
- 230000003321 amplification Effects 0.000 claims abstract description 77
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 77
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 9
- 230000002463 transducing effect Effects 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 8
- 230000001133 acceleration Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 description 1
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Amplifiers (AREA)
Abstract
The invention belongs to the field of signal amplification processing, and discloses a signal amplifying circuit and device. In the embodiments of the invention, the signal amplifying circuit comprises an output module, a signal amplifying module, a denoising circuit, an analog-digital conversion module, a control module, a data generation module, a digital-analog conversion module and so on. The above modules are combined creatively, thereby simplifying the design of the original signal amplifying circuit, guaranteeing the stability of the signal amplifying circuit, and improving the working efficiency of signal amplifying work.
Description
Technical field
The invention belongs to signal and amplify process field, particularly relate to a kind of signal amplification circuit and device.
Background technology
Signal amplification circuit, also known as amplifier, for being amplified without distortion by transducer or through the small-signal that basic change-over circuit exports, so that processing and process further.
Current most of signal amplification circuit design is complicated, job insecurity, effectively can not ensure that the amplification of signal exports, lower operating efficiency.
Summary of the invention
The object of the present invention is to provide a kind of signal amplification circuit, be intended to solve existing signal amplification circuit design complexity, unstable problem.
In order to solve the problem, the present invention is achieved in that a kind of signal amplification circuit, comprising:
The voltage of power end return pulse signal, exports the output module of the first transducing signal and the second transducing signal according to the detection change of data and the voltage of described pulse signal;
Normal phase input end and negative-phase input are connected the first output and second output of described output module respectively, controlled end receives biasing voltage signal, carries out amplifying processing and exporting the signal amplification module of the 3rd transducing signal according to described biasing voltage signal and default amplification coefficient to described first transducing signal and described second transducing signal;
Input connects the output of described signal amplification module, carries out denoising Processing and export the de-noising circuit of the 4th transducing signal to described 3rd transducing signal;
First input end, the second input, the 3rd input and four-input terminal connect the first output of described output module, the second output of described output module, the output of described signal amplification module and the output of described de-noising circuit respectively, described first transducing signal, described second transducing signal, described 3rd transducing signal and described 4th transducing signal are carried out to the analog-to-digital conversion module of analog-to-digital conversion process output digit signals;
Input connects the output of described analog-to-digital conversion module, data receiver reception environment temperature data, initial checking signal is exported when starting, in the preproduction phase according to described ambient temperature data, described digital signal calculates the voltage value of pulse signal and the voltage value of biasing voltage signal, and comprise ambient temperature data numerical value by sending and receiving end output, the checking signal of the voltage value of pulse signal and the voltage value of biasing voltage signal, read checking signal according to described ambient temperature data by sending and receiving end at working stage and exported the control module of described checking signal by data output end,
Output connects described data receiver, according to the temperature sensor of the ambient temperature output environment temperature data detected;
Sending and receiving end connects the sending and receiving end of described control module, generates the data generation module of checking data table according to described checking signal;
Input connects described data output end, first control end connects the power end of described output module, second control end connects the controlled end of described signal amplification module, carries out digital-to-analogue conversion process and export the D/A converter module of described pulse signal and described biasing voltage signal respectively to described initial checking signal and described checking signal.
Another object of the present invention is also to provide a kind of signal amplifying apparatus, and described output module comprises above-mentioned signal amplification circuit.
In embodiments of the present invention, signal amplification circuit comprises output module, signal amplification module, de-noising circuit, analog-to-digital conversion module, control module, temperature sensor, data generation module and D/A converter module, by creationary for these modules combining is simplified the design of original signal amplification circuit, and ensure that the stability of signal amplification circuit, improve the operating efficiency of signal amplification work.
Accompanying drawing explanation
Fig. 1 is the function structure chart of the signal amplification circuit that the embodiment of the present invention provides;
Fig. 2 is the exemplary circuit structure chart of the output module that the embodiment of the present invention provides;
Fig. 3 is the exemplary circuit structure chart of the signal amplification module that the embodiment of the present invention provides;
Fig. 4 is the exemplary circuit structure chart of the de-noising circuit that the embodiment of the present invention provides;
Fig. 5 is the exemplary circuit structure chart of the control module that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 shows the modular structure of the signal amplification circuit that the embodiment of the present invention provides, and for convenience of explanation, illustrate only part related to the present invention, details are as follows:
The signal amplification circuit that the embodiment of the present invention provides comprises:
The voltage of power end return pulse signal, exports the output module 10 of the first transducing signal and the second transducing signal according to the detection change of data and the voltage of pulse signal.
Normal phase input end and negative-phase input are connected the first output and second output of output module 10 respectively, controlled end receives biasing voltage signal, carries out amplifying processing and exporting the signal amplification module 20 of the 3rd transducing signal according to biasing voltage signal and default amplification coefficient to the first transducing signal and the second transducing signal.
The output of input connection signal amplification module 20, carries out denoising Processing to the 3rd transducing signal and exports the de-noising circuit 30 of the 4th transducing signal.
First input end, the second input, the 3rd input and four-input terminal connect the first output of described output module 10, the second output of described output module 10, the output of described signal amplification module 20 and the output of described de-noising circuit 30 respectively, carry out analog-to-digital conversion process and the analog-to-digital conversion module 401 of output digit signals to described first transducing signal, described second transducing signal, described 3rd transducing signal and described 4th transducing signal;
Input connects the output of described analog-to-digital conversion module 401, data receiver reception environment temperature data, initial checking signal is exported when starting, in the preproduction phase according to described ambient temperature data, described digital signal calculates the voltage value of pulse signal and the voltage value of biasing voltage signal, and comprise ambient temperature data numerical value by sending and receiving end output, the checking signal of the voltage value of pulse signal and the voltage value of biasing voltage signal, read checking signal according to described ambient temperature data by sending and receiving end at working stage and exported the control module 402 of described checking signal by data output end,
Output connects described data receiver, according to the temperature sensor 403 of the ambient temperature output environment temperature data detected;
Sending and receiving end connects the sending and receiving end of described control module 402, generates the data generation module 404 of checking data table according to described checking signal;
Input connects described data output end, first control end connects the power end of described output module 10, second control end connects the controlled end of described signal amplification module 20, carries out digital-to-analogue conversion process and export the D/A converter module 405 of described pulse signal and described biasing voltage signal respectively to described initial checking signal and described checking signal.
In embodiments of the present invention, analog-to-digital conversion module 401, control module 402, data generation module 404, temperature sensor 403 and D/A converter module 405 can composition control modules 40.The first input end of analog-to-digital conversion module 401, the second input, the 3rd input and four-input terminal are first input end, the second input, the 3rd input and the four-input terminal of control module, and the first control end of D/A converter module 405 and the second control end are the first control end and second control end of control module 40.
In embodiments of the present invention, user can, according to self-demand, select signal amplification circuit to be operated in preproduction phase or working stage.In working stage, control module 40 can also stop temperature detection and retrieval checking data table when the excursion of ambient temperature is less than preset value, and maintain voltage and the biasing voltage signal of pulse signal now, enter holding state, to reduce the noise in circuit further.
In embodiments of the present invention, the voltage of the pulse signal that control module 40 exports and biasing voltage signal can in advance through low pass noise reducers, with the high-frequency noise in filtered signal.
In embodiments of the present invention, user according to self-demand, can also carry out auto zero control by the output signal monitoring each module to signal amplification module 20.
In another embodiment of the invention, analog-to-digital conversion module 401, control module 402, data generation module 404, temperature sensor 403 and D/A converter module 405 can be respectively existing analog to digital converter, single-chip microcomputer, storage chip, temperature sensor and digital to analog converter.
Fig. 2 shows the exemplary circuit structure of the output module 10 that the embodiment of the present invention provides, and for convenience of explanation, illustrate only part related to the present invention, details are as follows:
As one embodiment of the invention, output module 10 comprises:
First stress sensitive resistance RZ1, the second stress sensitive resistance RZ2, tertiary stress sensitive resistance RZ3, the 4th stress sensitive resistance RZ4, resistance R1 and resistance R2;
The first end of the first stress sensitive resistance RZ1 and the first end of the second stress sensitive resistance RZ2 connect the power end forming output module 10 altogether, second end of the first stress sensitive resistance RZ1 and the first end of the 4th stress sensitive resistance RZ4 connect the first output forming output module 10 altogether, second end of the second stress sensitive resistance RZ2 and the first end of tertiary stress sensitive resistance RZ3 connect the second output of described output module 10 altogether, the first end of the second end contact resistance R2 of the 4th stress sensitive resistance RZ4, the first end of the second end contact resistance R1 of tertiary stress sensitive resistance RZ3, second end of resistance R1 and second end of resistance R2 are connected to ground altogether.
In embodiments of the present invention, the first stress sensitive resistance RZ1, the second stress sensitive resistance RZ2, tertiary stress sensitive resistance RZ3 and the 4th stress sensitive resistance RZ4 form a pressure resistance type electric bridge acceleration output module.Can respond to due to stress sensitive resistance the mass skew be attached thereto is produced stress, when output module is static, acceleration of gravity is only had to act on its generation, when measurement environment produces vibration, by carrying out examination and analysb to the first transducing signal and the second transducing signal, just acceleration information can be obtained.
In embodiments of the present invention, user can carry out manual compensation by the resistance of regulating resistance R1 and R2 to output module 10.
In another embodiment of the invention, output module 10 can also be the bridge type Output pressure module be made up of stress sensitive resistance or the bridge type light output module etc. be made up of photo resistance.
Fig. 3 shows the exemplary circuit structure of the signal amplification module 20 that the embodiment of the present invention provides, and for convenience of explanation, illustrate only part related to the present invention, details are as follows:
As one embodiment of the invention, signal amplification module 20 comprises:
First operational amplifier U1, the second operational amplifier U2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, electric capacity C1 and electric capacity C2;
The in-phase end of the first operational amplifier U1 and the first end of electric capacity C2 connect the negative-phase input forming signal amplification module 20 altogether, the end of oppisite phase of the first operational amplifier U1, the first end of resistance R4 and the first end of resistance R6 are connected to the first end of resistance R7 altogether, the output of the first operational amplifier U1 and second end of resistance R7 connect the output forming signal amplification module 20 altogether, second end of resistance R4, the first end of resistance R5, the first end of resistance R3 is connected to the end of oppisite phase of the second operational amplifier U2 altogether, second end of resistance R5, second end of resistance R6 is connected to the output of the second operational amplifier U2 altogether, second end of resistance R3 is the controlled end of signal amplification module 20, the in-phase end of the second operational amplifier U2 and the first end of electric capacity C1 connect the normal phase input end forming signal amplification module 20 altogether, the second end ground connection of electric capacity C1.
In embodiments of the present invention, signal amplification module 20 is a low noise instrumentation amplifier, user can pass through the resistance of regulating resistance R4, resistance R5, resistance R6 and resistance R7 with the amplification coefficient of signalization amplification module 20, adjusts the sensitivity of signal amplification module simultaneously.
Fig. 4 shows the exemplary circuit structure of the de-noising circuit 30 that the embodiment of the present invention provides, and for convenience of explanation, illustrate only part related to the present invention, details are as follows:
As one embodiment of the invention, de-noising circuit 30 comprises:
Resistance R8, resistance R9, resistance R10, electric capacity C3, electric capacity C4 and the 3rd operational amplifier U3;
The first end of resistance R8 is the input of de-noising circuit 30, second end of resistance R8 and the first end of resistance R9 are connected to the first end of electric capacity C3 altogether, second end of resistance R9 and the first end of electric capacity C4 are connected to the in-phase end of the 3rd operational amplifier U3 altogether, the second end ground connection of electric capacity C4, the end of oppisite phase of second end of electric capacity C3, the output of the 3rd operational amplifier U3 and the 3rd operational amplifier U3 is connected to the first end of resistance R10 altogether, and second end of resistance R10 is the output of de-noising circuit 30.
In embodiments of the present invention, de-noising circuit 30 is a low pass noise reducer, can high-frequency noise in filtering the 3rd transducing signal.
Fig. 5 shows the exemplary circuit structure of the control module 40 that the embodiment of the present invention provides, and for convenience of explanation, illustrate only part related to the present invention, details are as follows:
As one embodiment of the invention, control module 40 comprises:
Resistance R11, resistance R12, electric capacity C5, electric capacity C6, four-operational amplifier U4, the 5th operational amplifier U5 and control chip U6;
The output of four-operational amplifier U4 and the end of oppisite phase of four-operational amplifier U4 connect the first control end of formation control module 40 altogether, the in-phase end of four-operational amplifier U4 and the first end of electric capacity C5 are connected to the first end of resistance R11 altogether, the first control end DA0 of the second end connection control chip U6 of resistance R11, the second end ground connection of electric capacity C5, the output of the 5th operational amplifier U5 and the end of oppisite phase of the 5th operational amplifier U5 connect the second control end of formation control module 40 altogether, the in-phase end of the 5th operational amplifier U5 and the first end of electric capacity C6 are connected to the first end of resistance R12 altogether, the second control end DA1 of the second end connection control chip U6 of resistance R12, the second end ground connection of electric capacity C6, the first input end ON of control chip U6 is the first input end of control module 40, the second input OP of control chip U6 is the second input of control module 40, the 3rd input OUT1 of control chip U6 is the 3rd input of control module 40, the four-input terminal OUTP of control chip U6 is the four-input terminal of control module 40, the power end VCC1 of control chip U6 accesses external power source VCC, the earth terminal GND ground connection of control chip U6.
In embodiments of the present invention, control chip U6 is built-in temperature sensor, data storage, digital to analog converter and analog to digital converter.
In embodiments of the present invention, resistance R11, electric capacity C5 and four-operational amplifier U4 form a low pass noise reducer, can high-frequency noise in the voltage of filtering pulse signal; Resistance R12, electric capacity C6 and the 5th operational amplifier U5 form a step low-pass de-noising circuit, can high-frequency noise in filtering biasing voltage signal.
In embodiments of the present invention, the chip of control chip U6 can be model be MSC1213Y2 or MSC1213Y2PAGR.
Below in conjunction with Fig. 1 to Fig. 5, the operation principle of the signal amplification circuit that the embodiment of the present invention provides is described further:
When signal amplification circuit is in the preproduction phase, control chip U6 first exports the voltage of initial pulse signal and initial biasing voltage signal to output module 10 and signal amplification module 20, starts working to make output module 10 and signal amplification module 20.User now needs to utilize air conditioner refrigerating or heat to change ambient temperature.Control chip U6 is by testing and storing the first transducing signal, the second transducing signal, the 3rd transducing signal and the 4th transducing signal generation checking data table at varying environment temperature.User answers the data under record different temperatures as much as possible, to make checking data table more complete.
At the working stage of signal amplification circuit, signal amplification circuit is placed in environment to be detected by user.Control chip U6 is same first exports the voltage of initial pulse signal and initial biasing voltage signal to output module 10 and signal amplification module 20, starts working to make output module 10 and signal amplification module 20.Now control chip U6 according to self detect the temperature value obtained, simultaneously in conjunction with in checking data table with current temperature value the voltage of immediate data output pulse signal and biasing voltage signal, realize carrying out temperature-compensating to output module 10 and signal amplification module 20.
When control chip U6 is to the voltage of output module 10 and signal amplification module 20 output pulse signal and biasing voltage signal, signal all can carry out de-noising through the low pass noise reducer be connected with control chip U6 port, avoids noise being brought into output module 10 with signal amplification module 20.Control module 40 is the 3rd transducing signal that exports of Received signal strength amplification module 20 not only, also receives the 4th transducing signal after denoising Processing, to make the checking data table of acquisition more accurate.
When variations in temperature is less than preset value, control chip U6 stops temperature-compensating to reduce circuit noise further.
Another object of the embodiment of the present invention is also to provide a kind of signal amplifying apparatus, comprises the signal amplification circuit in above-described embodiment.
In embodiments of the present invention, signal amplification circuit comprises output module, signal amplification module, de-noising circuit, analog-to-digital conversion module, control module, temperature sensor, data generation module and D/A converter module, by creationary for these modules combining is simplified the design of original signal amplification circuit, and ensure that the stability of signal amplification circuit, improve the operating efficiency of signal amplification work.The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a signal amplification circuit, is characterized in that, described signal amplification circuit comprises:
Power end return pulse signal, according to the detection change of data and the output module of described output of pulse signal first transducing signal and the second transducing signal;
Normal phase input end and negative-phase input are connected the first output and second output of described output module respectively, controlled end receives biasing voltage signal, carries out amplifying processing and exporting the signal amplification module of the 3rd transducing signal according to described biasing voltage signal and default amplification coefficient to described first transducing signal and described second transducing signal;
Input connects the output of described signal amplification module, carries out denoising Processing and export the de-noising circuit of the 4th transducing signal to described 3rd transducing signal;
First input end, the second input, the 3rd input and four-input terminal connect the first output of described output module, the second output of described output module, the output of described signal amplification module and the output of described de-noising circuit respectively, described first transducing signal, described second transducing signal, described 3rd transducing signal and described 4th transducing signal are carried out to the analog-to-digital conversion module of analog-to-digital conversion process output digit signals;
Input connects the output of described analog-to-digital conversion module, data receiver reception environment temperature data, initial checking signal is exported when starting, in the preproduction phase according to described ambient temperature data, described digital signal calculates the voltage value of pulse signal and the voltage value of biasing voltage signal, and comprise ambient temperature data numerical value by sending and receiving end output, the checking signal of the voltage value of pulse signal and the voltage value of biasing voltage signal, read checking signal according to described ambient temperature data by sending and receiving end at working stage and exported the control module of described checking signal by data output end,
Output connects described data receiver, according to the temperature sensor of the ambient temperature output environment temperature data detected;
Sending and receiving end connects the sending and receiving end of described control module, generates the data generation module of checking data table according to described checking signal;
Input connects described data output end, first control end connects the power end of described output module, second control end connects the controlled end of described signal amplification module, carries out digital-to-analogue conversion process and export the D/A converter module of described pulse signal and described biasing voltage signal respectively to described initial checking signal and described checking signal.
2. signal amplification circuit as claimed in claim 1, it is characterized in that, described output module comprises:
First stress sensitive resistance, the second stress sensitive resistance, tertiary stress sensitive resistance, the 4th stress sensitive resistance, resistance R1 and resistance R2;
The first end of described first stress sensitive resistance and the first end of described second stress sensitive resistance connect the power end forming described output module altogether, second end of described first stress sensitive resistance and the first end of described 4th stress sensitive resistance connect the first output forming described output module altogether, second end of described second stress sensitive resistance and the first end of described tertiary stress sensitive resistance connect the second output of described output module altogether, second end of described 4th stress sensitive resistance connects the first end of described resistance R2, second end of described tertiary stress sensitive resistance connects the first end of described resistance R1, second end of described resistance R1 and second end of described resistance R2 are connected to ground altogether.
3. signal amplification circuit as claimed in claim 1, it is characterized in that, the bridge type light output module that described output module is the bridge type acceleration output module be made up of stress sensitive resistance, the bridge type Output pressure module be made up of stress sensitive resistance or is made up of photo resistance.
4. signal amplification circuit as claimed in claim 1, it is characterized in that, described signal amplification module comprises:
First operational amplifier, the second operational amplifier, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, electric capacity C1 and electric capacity C2;
The in-phase end of described first operational amplifier and the first end of described electric capacity C2 connect the negative-phase input forming described signal amplification module altogether, the end of oppisite phase of described first operational amplifier, the first end of described resistance R4 and the first end of described resistance R6 are connected to the first end of described resistance R7 altogether, the output of described first operational amplifier and second end of described resistance R7 connect the output forming described signal amplification module altogether, second end of described resistance R4, the first end of described resistance R5, the first end of described resistance R3 is connected to the end of oppisite phase of described second operational amplifier altogether, second end of described resistance R5, second end of described resistance R6 is connected to the output of described second operational amplifier altogether, second end of described resistance R3 is the controlled end of described signal amplification module, the in-phase end of described second operational amplifier and the first end of described electric capacity C1 connect the normal phase input end forming described signal amplification module altogether, the second end ground connection of described electric capacity C1.
5. signal amplification circuit as claimed in claim 1, it is characterized in that, described de-noising circuit comprises:
Resistance R8, resistance R9, resistance R10, electric capacity C3, electric capacity C4 and the 3rd operational amplifier;
The first end of described resistance R8 is the input of described de-noising circuit, second end of described resistance R8 and the first end of described resistance R9 are connected to the first end of described electric capacity C3 altogether, second end of described resistance R9 and the first end of described electric capacity C4 are connected to the in-phase end of described 3rd operational amplifier altogether, the second end ground connection of described electric capacity C4, the end of oppisite phase of second end of described electric capacity C3, the output of described 3rd operational amplifier and described 3rd operational amplifier is connected to the first end of described resistance R10 altogether, and second end of described resistance R10 is the output of described de-noising circuit.
6. signal amplification circuit as claimed in claim 1, it is characterized in that, described analog-to-digital conversion module, described control module, described data generation module, described temperature sensor and described D/A converter module composition control module, the first input end of described analog-to-digital conversion module, second input, 3rd input and four-input terminal are the first input end of described control module, second input, 3rd input and four-input terminal, first control end of described D/A converter module and the second control end are the first control end and second control end of described control module,
Described control module comprises:
Resistance R11, resistance R12, electric capacity C5, electric capacity C6, four-operational amplifier, the 5th operational amplifier and control chip;
The output of described four-operational amplifier and the end of oppisite phase of described four-operational amplifier connect the first control end forming described control module altogether, the in-phase end of described four-operational amplifier and the first end of described electric capacity C5 are connected to the first end of described resistance R11 altogether, second end of described resistance R11 connects the first control end of described control chip, the second end ground connection of described electric capacity C5, the output of described 5th operational amplifier and the end of oppisite phase of described 5th operational amplifier connect the second control end forming described control module altogether, the in-phase end of described 5th operational amplifier and the first end of described electric capacity C6 are connected to the first end of described resistance R12 altogether, second end of described resistance R12 connects the second control end of described control chip, the second end ground connection of described electric capacity C6, the first input end of described control chip is the first input end of described control module, second input of described control chip is the second input of described control module, 3rd input of described control chip is the 3rd input of described control module, the four-input terminal of described control chip is the four-input terminal of described control module, the power end access external power source of described control chip, the earth terminal ground connection of described control chip U6.
7. a signal amplifying apparatus, is characterized in that, described signal amplifying apparatus comprises the signal amplification circuit as described in any one of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510487996.8A CN105071777B (en) | 2015-08-10 | 2015-08-10 | A kind of signal amplification circuit and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510487996.8A CN105071777B (en) | 2015-08-10 | 2015-08-10 | A kind of signal amplification circuit and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105071777A true CN105071777A (en) | 2015-11-18 |
| CN105071777B CN105071777B (en) | 2017-12-15 |
Family
ID=54501082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510487996.8A Expired - Fee Related CN105071777B (en) | 2015-08-10 | 2015-08-10 | A kind of signal amplification circuit and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105071777B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525318A (en) * | 2016-12-16 | 2017-03-22 | 山东金洲科瑞节能科技有限公司 | Bus-type pressure measuring device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070288108A1 (en) * | 2006-06-07 | 2007-12-13 | James Parker | Process and system of energy signal detection |
| CN101127510A (en) * | 2006-08-17 | 2008-02-20 | 松下电器产业株式会社 | Differential input class D amplifier |
| CN101350601A (en) * | 2008-09-04 | 2009-01-21 | 华为技术有限公司 | Power amplifier and signal processing method thereof |
| CN201623691U (en) * | 2010-04-09 | 2010-11-03 | 华为终端有限公司 | Voltage driving device and power amplification system of power amplifier |
| CN102394609A (en) * | 2011-10-25 | 2012-03-28 | 中国兵器工业集团第二一四研究所苏州研发中心 | Spike pulse voltage amplifier |
| CN202974452U (en) * | 2012-11-22 | 2013-06-05 | 广东汉唐量子光电科技有限公司 | Bipolar self-balancing single photon detection device |
| CN103841496A (en) * | 2014-03-10 | 2014-06-04 | 国家电网公司 | Self-adaption indoor transformer noise elimination device and implement method thereof |
-
2015
- 2015-08-10 CN CN201510487996.8A patent/CN105071777B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070288108A1 (en) * | 2006-06-07 | 2007-12-13 | James Parker | Process and system of energy signal detection |
| CN101127510A (en) * | 2006-08-17 | 2008-02-20 | 松下电器产业株式会社 | Differential input class D amplifier |
| CN101350601A (en) * | 2008-09-04 | 2009-01-21 | 华为技术有限公司 | Power amplifier and signal processing method thereof |
| CN201623691U (en) * | 2010-04-09 | 2010-11-03 | 华为终端有限公司 | Voltage driving device and power amplification system of power amplifier |
| CN102394609A (en) * | 2011-10-25 | 2012-03-28 | 中国兵器工业集团第二一四研究所苏州研发中心 | Spike pulse voltage amplifier |
| CN202974452U (en) * | 2012-11-22 | 2013-06-05 | 广东汉唐量子光电科技有限公司 | Bipolar self-balancing single photon detection device |
| CN103841496A (en) * | 2014-03-10 | 2014-06-04 | 国家电网公司 | Self-adaption indoor transformer noise elimination device and implement method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 安娜: "基于混沌的微弱信号放大与A/D转换方法研究", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525318A (en) * | 2016-12-16 | 2017-03-22 | 山东金洲科瑞节能科技有限公司 | Bus-type pressure measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105071777B (en) | 2017-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203719811U (en) | Weak voltage signal detection device of micro-voltage sensor | |
| CN203385430U (en) | Sensing circuit and sensor | |
| CN206077340U (en) | A kind of photodiode amplifying circuit with temperature compensation function | |
| CN203933543U (en) | A kind of T-shaped filter amplification circuit of fast detector | |
| CN105071777A (en) | Signal amplifying circuit and device | |
| CN201885963U (en) | Miniature gas detector | |
| CN203406837U (en) | Signal amplification circuit and signal amplifier | |
| CN103162839A (en) | Reading circuit for Nb5 N6 normal temperature Terahertz detector linear array | |
| CN202940789U (en) | Frequency current isolation conversion module | |
| CN102435782A (en) | Performance parameter online debugging circuit of micromechanical accelerometer | |
| CN206504813U (en) | Pressure detecting system based on gain-programmed amplifier | |
| CN204556100U (en) | A kind of novel acoustical signal acquisition system | |
| CN204214462U (en) | A kind of universal sensor signal processing system | |
| CN209230839U (en) | A kind of pressure sensor digital compensation device | |
| CN211293690U (en) | Data acquisition system based on differential bridge circuit | |
| CN103913192B (en) | A kind of electric charges amplify sing1e unit calibration device and calibration steps | |
| CN204313869U (en) | A kind of Collection device | |
| CN203632627U (en) | Difference signal amplification circuit | |
| CN203422158U (en) | Laser light power detection circuit | |
| CN202330340U (en) | Air quality detection sensor module | |
| Sheng et al. | Design of PZT Micro-displacement acquisition system | |
| CN104713579A (en) | Universal type sensor signal processing system | |
| CN216081514U (en) | Sensor parameter acquisition equipment with signal conditioning function | |
| CN105651402B (en) | A kind of temperature pre-warning equipment | |
| CN214748131U (en) | Pressure temperature sensor detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Niu Lei Inventor after: Liu Haicang Inventor after: Cao Xiaoyan Inventor before: Liu Chao |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 |