CN105071777B - A kind of signal amplification circuit and device - Google Patents
A kind of signal amplification circuit and device Download PDFInfo
- Publication number
- CN105071777B CN105071777B CN201510487996.8A CN201510487996A CN105071777B CN 105071777 B CN105071777 B CN 105071777B CN 201510487996 A CN201510487996 A CN 201510487996A CN 105071777 B CN105071777 B CN 105071777B
- Authority
- CN
- China
- Prior art keywords
- resistance
- signal
- module
- output
- 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.)
- Expired - Fee Related
Links
- 230000003321 amplification Effects 0.000 title claims abstract description 76
- 238000003199 nucleic acid amplification method Methods 0.000 title claims abstract description 76
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 7
- 230000002463 transducing effect Effects 0.000 claims description 39
- 238000012795 verification Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000005611 electricity 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
- 238000004458 analytical method Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- 210000003462 vein Anatomy 0.000 description 1
Landscapes
- Amplifiers (AREA)
Abstract
The invention belongs to signal enhanced processing field, discloses a kind of signal amplification circuit and device.In embodiments of the present invention, signal amplification circuit includes output module, signal amplification module, de-noising circuit, analog-to-digital conversion module, control module, data generation module and D/A converter module etc., by the design that creative being combined together of these modules is simplified to original signal amplifying circuit, and the stability of signal amplification circuit is ensure that, improves the operating efficiency of signal amplification work.
Description
Technical field
The invention belongs to signal enhanced processing field, more particularly to a kind of signal amplification circuit and device.
Background technology
Signal amplification circuit, also known as amplifier, for by sensor or through basic change-over circuit output small-signal not
Amplified to distortion, in order to be processed further and handle.
Current most of signal amplification circuit complex designing, job insecurity, it is impossible to the effective amplification for ensureing signal
Output, relatively low operating efficiency.
The content of the invention
It is an object of the invention to provide a kind of signal amplification circuit, it is intended to it is multiple to solve existing signal amplification circuit design
It is miscellaneous, it is unstable the problem of.
In order to solve the above problems, the present invention is achieved in that a kind of signal amplification circuit, including：
The voltage of power end return pulse signal, according to the change of detection data and the voltage output of the pulse signal the
The output module of one transducing signal and the second transducing signal；
Normal phase input end is connected the first output end and the second output end of the output module with negative-phase input respectively, by
Control end and receive biasing voltage signal, according to the biasing voltage signal and default amplification coefficient to first transducing signal and
Second transducing signal, which is amplified, handles and exports the signal amplification module of the 3rd transducing signal；
Input connects the output end of the signal amplification module, and denoising Processing and defeated is carried out to the 3rd transducing signal
Go out the de-noising circuit of the 4th transducing signal；
First input end, the second input, the 3rd input and the 4th input connect the output module respectively
First output end, the second output end of the output module, the output end of the signal amplification module and the de-noising circuit
Output end, to first transducing signal, second transducing signal, the 3rd transducing signal and it is described 4th sensing
Signal carries out the analog-to-digital conversion module of analog-to-digital conversion process and output digit signals；
Input connects the output end of the analog-to-digital conversion module, and data receiver receives ambient temperature data, started
When export initial checking signal, pulse signal is calculated according to the ambient temperature data, the data signal in the preproduction phase
The voltage value of voltage value and biasing voltage signal, and ambient temperature data numerical value, pulse are included by sending and receiving end output
The checking signal of the voltage value of signal and the voltage value of biasing voltage signal, in working stage according to the environment temperature
Data read checking signal by sending and receiving end and the control module of the checking signal are exported by data output end；
Output end connects the data receiver, is passed according to the temperature of the environment temperature output environment temperature data detected
Sensor；
Sending and receiving end connects the sending and receiving end of the control module, and the data that verification data table is generated according to the checking signal are given birth to
Into module；
Input connects the data output end, and the first control terminal connects the power end of the output module, the second control
End connects the controlled end of the signal amplification module, and the initial checking signal is carried out at digital-to-analogue conversion with the checking signal
Manage and export the D/A converter module of the pulse signal and the biasing voltage signal respectively.
Another object of the present invention, which also resides in, provides a kind of signal amplifying apparatus, and the output module is put including above-mentioned signal
Big circuit.
In embodiments of the present invention, signal amplification circuit includes output module, signal amplification module, de-noising circuit, modulus
Modular converter, control module, temperature sensor, data generation module and D/A converter module, by the way that these modules are created
Property is combined together the design for simplifying original signal amplifying circuit, and ensure that the stability of signal amplification circuit, carries
High RST amplifies the operating efficiency of work.
Brief description of the drawings
Fig. 1 is the function structure chart for the signal amplification circuit that the embodiment of the present invention is provided；
Fig. 2 is the exemplary circuit structure chart for the output module that the embodiment of the present invention is provided；
Fig. 3 is the exemplary circuit structure chart for the signal amplification module that the embodiment of the present invention is provided；
Fig. 4 is the exemplary circuit structure chart for the de-noising circuit that the embodiment of the present invention is provided；
Fig. 5 is the exemplary circuit structure chart for the control module that the embodiment of the present invention is provided.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 shows the modular structure for the signal amplification circuit that the embodiment of the present invention is provided, and for convenience of description, only shows
Part related to the present invention is gone out, details are as follows：
The signal amplification circuit that the embodiment of the present invention is provided includes：
The voltage of power end return pulse signal, passed according to the voltage output first of the change of detection data and pulse signal
Feel the output module 10 of signal and the second transducing signal.
Normal phase input end is connected the first output end and the second output end of output module 10 with negative-phase input respectively, controlled
End receives biasing voltage signal, and the first transducing signal and the second sensing are believed according to biasing voltage signal and default amplification coefficient
Number it is amplified and handles and export the signal amplification module 20 of the 3rd transducing signal.
The output end of input connection signal amplification module 20, denoising Processing and output the 4th are carried out to the 3rd transducing signal
The de-noising circuit 30 of transducing signal.
First input end, the second input, the 3rd input and the 4th input connect the output module 10 respectively
The first output end, the second output end of the output module 10, the output end of the signal amplification module 20 and described disappear
The output end of noise cancellation circuit 30, to first transducing signal, second transducing signal, the 3rd transducing signal and described
4th transducing signal carries out the analog-to-digital conversion module 401 of analog-to-digital conversion process and output digit signals；
Input connects the output end of the analog-to-digital conversion module 401, and data receiver receives ambient temperature data, opened
Initial checking signal is exported when dynamic, pulse signal is calculated according to the ambient temperature data, the data signal in the preproduction phase
Voltage value and biasing voltage signal voltage value, and by sending and receiving end output include ambient temperature data numerical value, arteries and veins
The checking signal of the voltage value of signal and the voltage value of biasing voltage signal is rushed, in working stage according to the environment temperature
Degrees of data reads checking signal by sending and receiving end and the control module 402 of the checking signal is exported by data output end；
Output end connects the data receiver, is passed according to the temperature of the environment temperature output environment temperature data detected
Sensor 403；
Sending and receiving end connects the sending and receiving end of the control module 402, and the number of verification data table is generated according to the checking signal
According to generation module 404；
Input connects the data output end, and the first control terminal connects the power end of the output module 10, the second control
End processed connects the controlled end of the signal amplification module 20, and carrying out digital-to-analogue with the checking signal to the initial checking signal turns
Change and handle and export respectively the D/A converter module 405 of the pulse signal and the biasing voltage signal.
In embodiments of the present invention, analog-to-digital conversion module 401, control module 402, data generation module 404, TEMP
Device 403 and D/A converter module 405 can be with composition control units 40.It is the first input end of analog-to-digital conversion module 401, second defeated
Enter end, the 3rd input and the 4th input are the first input end of control module, the second input, the 3rd input and
4th input, the first control terminal of D/A converter module 405 and the second control terminal for control unit 40 the first control terminal with
Second control terminal.
In embodiments of the present invention, user can be operated in the preproduction phase according to self-demand, selection signal amplifying circuit
Or working stage.In working stage, control unit 40 can also stop when the excursion of ambient temperature is less than preset value
Temperature detection and retrieval verification data table, and the voltage and biasing voltage signal of pulse signal now are maintained, into standby shape
State, further to reduce the noise in circuit.
In embodiments of the present invention, the voltage for the pulse signal that control unit 40 is exported can be pre- with biasing voltage signal
Low pass noise reducer is first passed through, to filter out the high-frequency noise in signal.
In embodiments of the present invention, user can also be according to self-demand, by monitoring the output signal of each module to letter
Number amplification module 20 carries out auto zero control.
In another embodiment of the invention, analog-to-digital conversion module 401, control module 402, data generation module 404, temperature
It can be respectively existing analog-digital converter, single-chip microcomputer, storage chip, temperature to spend sensor 403 and D/A converter module 405
Sensor and digital analog converter.
Fig. 2 shows the exemplary circuit structure for the output module 10 that the embodiment of the present invention is provided, for convenience of description, only
Part related to the present invention is shown, details are as follows：
As one embodiment of the invention, output module 10 includes：
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；
First stress sensitive resistance RZ1 first end and the second stress sensitive resistance RZ2 first end connect to form output altogether
The power end of module 10, the first stress sensitive resistance RZ1 the second end connect shape altogether with the 4th stress sensitive resistance RZ4 first end
Into the first output end of output module 10, the of the second stress sensitive resistance RZ2 the second end and tertiary stress sensitive resistance RZ3
One end meets the second output end to form the output module 10, the 4th stress sensitive resistance RZ4 the second end connection resistance R2 altogether
First end, tertiary stress sensitive resistance RZ3 the second end connection resistance R1 first end, resistance R1 the second end and resistance R2
The second end be connected to ground altogether.
In embodiments of the present invention, the first stress sensitive resistance RZ1, the second stress sensitive resistance RZ2, tertiary stress are sensitive
Resistance RZ3 and the 4th stress sensitive resistance RZ4 forms a pressure resistance type electric bridge acceleration output module.Due to stress sensitive electricity
It is caused stress that resistance, which can sense the mass skew being attached thereto, when output module is static, only acceleration of gravity pair
It is acted, when measuring environment produces vibration, by being detected the first transducing signal and the second transducing signal with being divided
Analysis, it is possible to obtain acceleration information.
In embodiments of the present invention, user can be carried out manually by regulation resistance R1 and R2 resistance to output module 10
Compensation.
In another embodiment of the invention, output module 10 can also be the bridge type pressure being made up of stress sensitive resistance
Power output module or the bridge type light output module that is made up of photo resistance etc..
Fig. 3 shows the exemplary circuit structure for the signal amplification module 20 that the embodiment of the present invention is provided, for the ease of saying
It is bright, part related to the present invention is illustrate only, details are as follows：
As one embodiment of the invention, signal amplification module 20 includes：
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；
First operational amplifier U1 in-phase end connects the negative to form signal amplification module 20 altogether with electric capacity C2 first end
Input, the first end of the first operational amplifier U1 end of oppisite phase, resistance R4 first end and resistance R6 are connected to resistance R7 altogether
First end, the first operational amplifier U1 output end and resistance R7 the second end connect the output to form signal amplification module 20 altogether
End, resistance R4 the second end, resistance R5 first end, resistance R3 first end are connected to the anti-phase of the second operational amplifier U2 altogether
End, resistance R5 the second end, resistance R6 the second end are connected to the second operational amplifier U2 output end, resistance R3 the second end altogether
It is the controlled end of signal amplification module 20, the second operational amplifier U2 in-phase end connects to form signal altogether with electric capacity C1 first end
The normal phase input end of amplification module 20, electric capacity C1 the second end ground connection.
In embodiments of the present invention, signal amplification module 20 is a low noise instrumentation amplifier, and user can pass through regulation
Resistance R4, resistance R5, resistance R6 and resistance R7 resistance are with the amplification coefficient of setting signal amplification module 20, while to signal
The sensitivity of amplification module is adjusted.
Fig. 4 shows the exemplary circuit structure for the de-noising circuit 30 that the embodiment of the present invention is provided, for convenience of description, only
Part related to the present invention is shown, details are as follows：
As one embodiment of the invention, de-noising circuit 30 includes：
Resistance R8, resistance R9, resistance R10, electric capacity C3, electric capacity C4 and the 3rd operational amplifier U3；
Resistance R8 first end is the input of de-noising circuit 30, and resistance R8 the second end connects altogether with resistance R9 first end
In electric capacity C3 first end, resistance R9 the second end is connected to the 3rd operational amplifier U3 same phase with electric capacity C4 first end altogether
End, electric capacity C4 the second end ground connection, electric capacity C3 the second end, the 3rd operational amplifier U3 output end and the 3rd operation amplifier
Device U3 end of oppisite phase is connected to resistance R10 first end altogether, and resistance R10 the second end is the output end of de-noising circuit 30.
In embodiments of the present invention, de-noising circuit 30 is a low pass noise reducer, can filter out the height in the 3rd transducing signal
Frequency noise.
Fig. 5 shows the exemplary circuit structure for the control module 40 that the embodiment of the present invention is provided, for convenience of description, only
Part related to the present invention is shown, details are as follows：
As one embodiment of the invention, control unit 40 includes：
Resistance R11, resistance R12, electric capacity C5, electric capacity C6, four-operational amplifier U4, the 5th operational amplifier U5 and control
Coremaking piece U6；
Four-operational amplifier U4 output end connects to form control unit 40 altogether with four-operational amplifier U4 end of oppisite phase
The first control terminal, four-operational amplifier U4 in-phase end and electric capacity C5 first end are connected to resistance R11 first end, electricity altogether
Hinder R11 the second end connection control chip U6 the first control terminal DA0, electric capacity C5 the second end ground connection, the 5th operational amplifier
U5 output end and the 5th operational amplifier U5 end of oppisite phase connect the second control terminal to form control unit 40 altogether, and the 5th computing is put
Big device U5 in-phase end and electric capacity C6 first end are connected to resistance R12 first end, resistance R12 the second end connection control core altogether
Piece U6 the second control terminal DA1, electric capacity C6 the second end ground connection, control chip U6 first input end ON is control unit 40
First input end, control chip U6 the second input OP are the second inputs of control unit 40, the 3rd of control chip U6 the
Input OUT1 is the 3rd input of control unit 40, and control chip U6 the 4th input OUTP is the of control unit 40
Four inputs, control chip U6 power end VCC1 accesses external power source VCC, control chip U6 earth terminal GND ground connection.
In embodiments of the present invention, the built-in temperature sensors of control chip U6, data storage, digital analog converter and
Analog-digital converter.
In embodiments of the present invention, resistance R11, electric capacity C5 and four-operational amplifier U4 form a low pass noise reducer,
The high-frequency noise in the voltage of pulse signal can be filtered out；Resistance R12, electric capacity C6 and the 5th operational amplifier U5 form one or two
Rank low pass de-noising circuit, can filter out the high-frequency noise in biasing voltage signal.
In embodiments of the present invention, control chip U6 can be model MSC1213Y2 or MSC1213Y2PAGR core
Piece.
Done further with reference to the operation principle of Fig. 1 to Fig. 5 signal amplification circuits provided the embodiment of the present invention
Explanation：
When signal amplification circuit is in the preproduction phase, control chip U6 is first to output module 10 and signal amplification module 20
The voltage of initial pulse signal and initial biasing voltage signal are exported, so that output module 10 is opened with signal amplification module 20
Beginning work.User is now needed using air conditioner refrigerating or heating to change environment temperature.Control chip U6 is by testing and storing not
Generate and verify with the first transducing signal under environment temperature, the second transducing signal, the 3rd transducing signal and the 4th transducing signal
Tables of data.User answers the data under record different temperatures as much as possible, so that verification data table is more complete.
In the working stage of signal amplification circuit, signal amplification circuit is placed in environment to be detected by user.Control core
The same voltages that initial pulse signal is first exported to output module 10 and signal amplification module 20 of piece U6 and initial biased electrical
Signal is pressed, so that output module 10 is started working with signal amplification module 20.Now control chip U6 detects according to itself
The temperature value arrived, in combination with verification data table with the voltage of the immediate data output pulse signal of current temperature value with partially
Voltage signal is put, realizes and temperature-compensating is carried out to output module 10 and signal amplification module 20.
Voltage and bias voltage in control chip U6 to output module 10 and the output pulse signal of signal amplification module 20
During signal, signal can all pass through the low pass noise reducer being connected with control chip U6 ports and carry out de-noising, avoid bringing into noise
In output module 10 and signal amplification module 20.Not only reception signal amplification module 20 is exported the control unit 40 of control unit 40
The 3rd transducing signal, also receive the 4th transducing signal after denoising Processing so that obtain verification data table it is more smart
Really.
When temperature change is less than preset value, control chip U6 stops temperature-compensating further to reduce circuit noise.
The another object of the embodiment of the present invention, which also resides in, provides a kind of signal amplifying apparatus, including the letter in above-described embodiment
Number amplifying circuit.
In embodiments of the present invention, signal amplification circuit includes output module, signal amplification module, de-noising circuit, modulus
Modular converter, control module, temperature sensor, data generation module and D/A converter module, by the way that these modules are created
Property is combined together the design for simplifying original signal amplifying circuit, and ensure that the stability of signal amplification circuit, carries
High RST amplifies the operating efficiency of work.The foregoing is merely illustrative of the preferred embodiments of the present invention, not limiting this hair
It is bright, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., it should be included in the present invention
Protection domain within.
Claims (8)
1. a kind of signal amplification circuit, it is characterised in that the signal amplification circuit includes：
Power end return pulse signal, according to the change of detection data and the transducing signal of output of pulse signal first and second
The output module of transducing signal；
Normal phase input end is connected the first output end and the second output end of the output module, controlled end with negative-phase input respectively
Biasing voltage signal is received, according to the biasing voltage signal and default amplification coefficient to first transducing signal and described
Second transducing signal, which is amplified, handles and exports the signal amplification module of the 3rd transducing signal；
Input connects the output end of the signal amplification module, and denoising Processing is carried out to the 3rd transducing signal and exports the
The de-noising circuit of four transducing signals；
First input end, the second input, the 3rd input and the 4th input connect the first of the output module respectively
Output end, the second output end of the output module, the output end of the signal amplification module and the de-noising circuit it is defeated
Go out end, to first transducing signal, second transducing signal, the 3rd transducing signal and the 4th transducing signal
Carry out the analog-to-digital conversion module of analog-to-digital conversion process and output digit signals；
Input connects the output end of the analog-to-digital conversion module, and data receiver receives ambient temperature data, defeated on startup
Go out initial checking signal, in the preproduction phase according to the ambient temperature data, the voltage of data signal calculating pulse signal
The voltage value of numerical value and biasing voltage signal, and ambient temperature data numerical value, pulse signal are included by sending and receiving end output
Voltage value and biasing voltage signal voltage value checking signal, in working stage according to the ambient temperature data
Checking signal is read by sending and receiving end and the control module of the checking signal is exported by data output end；
Output end connects the data receiver, according to the TEMP of the environment temperature output environment temperature data detected
Device；
Sending and receiving end connects the sending and receiving end of the control module, and the data that verification data table is generated according to the checking signal generate mould
Block；
Input connects the data output end, and the first control terminal connects the power end of the output module, and the second control terminal connects
The controlled end of the signal amplification module is connect, digital-to-analogue conversion processing is carried out simultaneously with the checking signal to the initial checking signal
The D/A converter module of the pulse signal and the biasing voltage signal is exported respectively.
2. signal amplification circuit as claimed in claim 1, it is characterised in that the output module includes：
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 the first stress sensitive resistance and the first end of the second stress sensitive resistance connect altogether to be formed it is described defeated
Go out the power end of module, the second end of the first stress sensitive resistance and the first end of the 4th stress sensitive resistance connect altogether
Form the first output end of the output module, the second end of the second stress sensitive resistance and the tertiary stress sensitive electrical
The first end of resistance meets the second output end to form the output module, the second end connection institute of the 4th stress sensitive resistance altogether
Resistance R2 first end is stated, the second end of the tertiary stress sensitive resistance connects the first end of the resistance R1, the resistance
R1 the second end and the second end of the resistance R2 are connected to ground altogether.
3. signal amplification circuit as claimed in claim 1, it is characterised in that the output module is to be made up of stress sensitive resistance
Bridge type acceleration output module, the bridge type pressure output module that is made up of stress sensitive resistance or be made up of photo resistance
Bridge type light output module.
4. signal amplification circuit as claimed in claim 1, it is characterised in that the signal amplification module includes：
First operational amplifier, the second operational amplifier, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, electric capacity C1 with
And electric capacity C2；
The first end of the in-phase end of first operational amplifier and the electric capacity C2 connects to form the signal amplification module altogether
Negative-phase input, the end of oppisite phase of first operational amplifier, the first of the first end of the resistance R4 and the resistance R6
End is connected to the first end of the resistance R7 altogether, and the output end of first operational amplifier and the second end of the resistance R7 connect altogether
Form the output end of the signal amplification module, the second end of the resistance R4, the first end of the resistance R5, the resistance R3
First end be connected to the end of oppisite phase of second operational amplifier, the second end of the resistance R5, the second of the resistance R6 altogether
End is connected to the output end of second operational amplifier altogether, and the second end of the resistance R3 is the controlled of the signal amplification module
End, the first end of the in-phase end of second operational amplifier and the electric capacity C1 connect to form the signal amplification module just altogether
Phase input, the second end ground connection of the electric capacity C1.
5. signal amplification circuit as claimed in claim 1, it is characterised in that the de-noising circuit includes：
Resistance R8, resistance R9, resistance R10, electric capacity C3, electric capacity C4 and the 3rd operational amplifier；
The first end of the resistance R8 is the input of the de-noising circuit, and the second end of the resistance R8 is with the resistance R9's
First end is connected to the first end of the electric capacity C3 altogether, and the second end of the resistance R9 and the first end of the electric capacity C4 are connected to institute altogether
State the in-phase end of the 3rd operational amplifier, the second end ground connection of the electric capacity C4, the second end of the electric capacity C3, the 3rd fortune
Calculate the output end of amplifier and the end of oppisite phase of the 3rd operational amplifier is connected to the first end of the resistance R10 altogether, it is described
Resistance R10 the second end is the output end of the de-noising circuit.
6. signal amplification circuit as claimed in claim 1, it is characterised in that the analog-to-digital conversion module, the control module, institute
State data generation module, the temperature sensor and the D/A converter module composition control unit.
7. signal amplification circuit as claimed in claim 6, it is characterised in that the first input end of the analog-to-digital conversion module,
Two inputs, the 3rd input and the 4th input are the first input end of described control unit, the second input, the 3rd defeated
Enter end and the 4th input, the first control terminal of the D/A converter module and the second control terminal are the of described control unit
One control terminal and the second control terminal.
8. a kind of signal amplifying apparatus, it is characterised in that the signal amplifying apparatus is included such as any one of claim 1 to 7 institute
The signal amplification circuit stated.
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 CN105071777A (en) | 2015-11-18 |
| CN105071777B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525318B (en) * | 2016-12-16 | 2022-07-01 | 山东金洲科瑞节能科技有限公司 | Bus type pressure measuring device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7546223B2 (en) * | 2006-06-07 | 2009-06-09 | Ee Systems Group Inc. | Process and system of energy signal detection |
-
2015
- 2015-08-10 CN CN201510487996.8A patent/CN105071777B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
|---|
| 基于混沌的微弱信号放大与A/D转换方法研究;安娜;《中国优秀硕士学位论文全文数据库 信息科技辑》;20150115;17-53 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105071777A (en) | 2015-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106959160A (en) | Faint optical signal processing unit and Feebleness Light Signal Examining system | |
| CN107085124A (en) | A kind of fully differential dynamic balance pattern MEMS acceleration transducer signals process circuits | |
| CN206077340U (en) | A kind of photodiode amplifying circuit with temperature compensation function | |
| CN104182745A (en) | Fingerprint sensing signal processing method and system, and fingerprint identification terminal | |
| CN105071777B (en) | A kind of signal amplification circuit and device | |
| CN104748858A (en) | InGaAs shortwave infrared detector signal processing system | |
| CN203385430U (en) | Sensing circuit and sensor | |
| CN105865555B (en) | A kind of high temperature resistance analog drive circuit of Coriolis mass flowmeter | |
| CN109144305A (en) | Highly sensitive capacitance touch-control device and its operation method | |
| CN203406837U (en) | Signal amplification circuit and signal amplifier | |
| CN104459289A (en) | Detection circuit and detection method based on waveform transformation | |
| CN104422785A (en) | Device and method for processing magneto-electric revolution speed transducer | |
| CN214591363U (en) | Adjustable signal acquisition circuit compatible with voltage sensor and current sensor | |
| CN102147292A (en) | Infrared focal planar array and readout circuit of infrared focal planar array | |
| CN204214462U (en) | A kind of universal sensor signal processing system | |
| CN204929209U (en) | Microphone monomer that restraines resonance | |
| CN203632627U (en) | Difference signal amplification circuit | |
| CN102778585A (en) | Sensing device | |
| CN205958139U (en) | Temperature transmitter that accuracy is high | |
| CN206249059U (en) | Remote sensing control system | |
| CN102095756B (en) | Humidity sensing circuit with temperature compensation function | |
| CN101242685A (en) | Intelligent electric sound testing system | |
| CN108469547A (en) | A kind of semiconductor resistor rate tester and multipurpose test system | |
| CN219590404U (en) | Weak signal measuring device of three-dimensional electric field sensor | |
| CN203573658U (en) | Audio play circuit |
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 |
Inventor after: Niu Lei Inventor after: Liu Haicang Inventor after: Cao Xiaoyan Inventor before: Liu Chao |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 |