CN107888177A - IC interior offset correction circuit - Google Patents
IC interior offset correction circuit Download PDFInfo
- Publication number
- CN107888177A CN107888177A CN201711174735.6A CN201711174735A CN107888177A CN 107888177 A CN107888177 A CN 107888177A CN 201711174735 A CN201711174735 A CN 201711174735A CN 107888177 A CN107888177 A CN 107888177A
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- triode
- circuit
- transport
- placing device
- resistance
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/003—Modifications for increasing the reliability for protection
- H03K19/00369—Modifications for compensating variations of temperature, supply voltage or other physical parameters
- H03K19/00376—Modifications for compensating variations of temperature, supply voltage or other physical parameters in bipolar transistor circuits
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses IC interior offset correction circuit, including on-off circuit, discharge circuit and amplification compensation circuit, the on-off circuit receives the input signal of integrated circuit signal transmission channel, compound circuit amplitude modulation is formed using triode Q1 Q3, then exported by discharge circuit using transport and placing device AR1 amplified signals after resistance R8 partial pressures, it that is to say in input ic signal transmission passage, amplify compensation circuit collection transport and placing device AR1 output end electric potential signals simultaneously, the output signal control triode Q5 conducting and cut-off after transport and placing device AR2 amplifications, it that is to say that the output signal for controlling amplification compensation circuit to be transport and placing device AR1 compensates current potential, reach the effect of the electromagnetic interference compensation of integrated circuit.
Description
Technical field
The present invention relates to technical field of integrated circuits, more particularly to IC interior offset correction circuit.
Background technology
Integrated circuit is seen everywhere in the life of people, is electronic equipment hardcore, is changed the life of people significantly
Living, concurrently research of the people to integrated circuit was also never interrupted, and wherein electromagnetic interference is one of integrated circuit obvious
Defect, electromagnetic interference can disturb the use of integrated circuit, when integrated circuit uses by electromagnetic interference, its signal transmission passage
Signal amplitude can occur mutation, when IC interior biasing is excessive, or even integrated circuit can be made not use.
So the present invention provides a kind of new scheme to solve this problem.
The content of the invention
For the above situation, to overcome the defect of prior art, the purpose of the present invention is to provide IC interior inclined
Put correcting circuit, have be skillfully constructed, the characteristic of human oriented design, efficiently solve when existing integrated circuit uses by
Electromagnetic interference, the signal amplitude of its signal transmission passage can occur mutation, when IC interior biasing is excessive, or even can make collection
The problem of can not being used into circuit.
Its technical scheme solved is IC interior offset correction circuit, including on-off circuit, discharge circuit and is put
Large compensation circuit, the on-off circuit receive the input signal of integrated circuit signal transmission channel, are formed using triode Q1-Q3
Compound circuit amplitude modulation, then exported by discharge circuit using transport and placing device AR1 amplified signals after resistance R8 partial pressures, that is to say input
In integrated circuit signal transmission channel, while amplify compensation circuit collection transport and placing device AR1 output end electric potential signals, through transport and placing device
Output signal control triode Q5 conducting and cut-off after AR2 amplifications, it that is to say that it is transport and placing device AR1's to control amplification compensation circuit
Output signal compensates current potential；
The discharge circuit includes transport and placing device AR1, transport and placing device AR1 homophase input termination triode Q3 emitter stage, fortune
Device AR1 anti-phase input termination triode Q4 emitter stage is put, triode Q4 base stage connects triode Q3 colelctor electrode, triode
Q4 colelctor electrode connecting resistance R5 one end, resistance R5 another termination power+10V, transport and placing device AR1 output termination transport and placing device
AR2 in-phase input end and resistance R6 one end, resistance R6 another termination signal output port.
Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art；
1, receive the signal of on-off circuit input, transport and placing device AR1 homophase input with transport and placing device AR1 in-phase input end
The current potential at end is controlled by triode Q4, and when the signal of on-off circuit input is normal, triode Q4 conductings, transport and placing device AR1's is anti-
The current potential of phase input is high level current potential, and now transport and placing device AR1 homophase input terminal potential can be approximate constant, therefore transport and placing device
AR1 output end output low level current potential, exports after resistance R6 partial pressures, that is to say input ic signal transmission passage
It is interior, similarly, when the abnormal signal of on-off circuit input, when that is to say that the signal amplitude of signal transmission passage is too low, triode
Q4 is not turned on, transport and placing device AR1 output end output high level current potential, is had great practical value and Development volue.
2, when the signal of on-off circuit input is normal, transport and placing device AR1 output low level current potentials, now transport and placing device AR2's is same
Phase input is low level current potential, and transport and placing device AR2 exports low level current potential, and triode Q5 is not turned on, and now transport and placing device AR1 is exported
Signal exported after resistance R6 partial pressures, that is to say in input ic signal transmission passage；The signal of on-off circuit input
Abnormal, when that is to say that the signal amplitude of signal transmission passage is too low, now transport and placing device AR1 exports high level current potential, therefore transports
Device AR2 output high level signals are put, triode Q5 conductings, compensation circuit work, power supply+10V is after resistance R7 partial pressures through three poles
Pipe Q5 is flowed into integrated circuit signal transmission channel, plays the effect of the electromagnetic interference compensation of integrated circuit.
Brief description of the drawings
Fig. 1 is the circuit diagram of IC interior offset correction circuit of the present invention.
Fig. 2 is the circuit theory diagrams of IC interior offset correction circuit of the present invention.
Embodiment
For the present invention foregoing and other technology contents, feature and effect, in following cooperation with reference to figures 1 through accompanying drawing 2
To in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following examples, it is with specification
Accompanying drawing is reference.
Embodiment one, IC interior offset correction circuit, including on-off circuit, discharge circuit and amplification compensation electricity
Road, the on-off circuit receive the input signal of integrated circuit signal transmission channel, and compound circuit is formed using triode Q1-Q3
Amplitude modulation, then exported by discharge circuit using transport and placing device AR1 amplified signals after resistance R8 partial pressures, that is to say input ic
In signal transmission passage, while amplify compensation circuit collection transport and placing device AR1 output end electric potential signals, after transport and placing device AR2 amplifications
Output signal control triode Q5 conducting and cut-off, that is to say the output signal for controlling amplification compensation circuit to be transport and placing device AR1
Compensate current potential；
The discharge circuit receives the signal of on-off circuit input, transport and placing device AR1 with transport and placing device AR1 in-phase input end
In-phase input end current potential by triode Q4 control, when on-off circuit input signal it is normal when, triode Q4 conducting, amplifier
The current potential of device AR1 inverting input is high level current potential, and now transport and placing device AR1 homophase input terminal potential can be approximate constant,
Therefore transport and placing device AR1 output end output low level current potential, exports after resistance R6 partial pressures, that is to say input ic signal
In transmission channel, similarly, when the abnormal signal of on-off circuit input, it that is to say that the signal amplitude of signal transmission passage is too low
When, triode Q4 is not turned on, and transport and placing device AR1 output end output high level current potential, transport and placing device AR1 homophase input terminates three poles
Pipe Q3 emitter stage, transport and placing device AR1 anti-phase input termination triode Q4 emitter stage, triode Q4 base stage meet triode Q3
Colelctor electrode, triode Q4 colelctor electrode connecting resistance R5 one end, resistance R5 another termination power+10V, transport and placing device AR1's
Output termination transport and placing device AR2 in-phase input end and resistance R6 one end, resistance R6 another termination signal output port.
Embodiment two, on the basis of embodiment one, the on-off circuit filters off collection with triode Q1 conducting voltage
The signal relatively low into the amplitude of the input signal of circuit signal transmission channel, it that is to say interference signal, triode Q1 emitter stage
Current potential is triode Q3, Q2 control electrode potential, while electric capacity C1 plays filter action, and triode Q2 transmitting electrode potential is through electricity
The collector potential for being triode Q3 is felt after L1 and electric capacity C2 parallel filterings, therefore triode Q2 can reduce integrated circuit signal
Current potential in the input signal of transmission channel, while provide stabilization through inductance L1 and electric capacity C2 parallel filterings and can for triode Q3
Collector potential, now triode Q3 conducting voltage can be set to low in the input signal of integrated circuit signal transmission channel
Electric potential signal, therefore triode Q1-Q3 composition compound circuits play a part of cutting peak, reach the effect of amplitude modulation, triode Q1's
Base stage connecting resistance R2 one end, resistance R2 another terminating resistor R1 one end and signal input port, triode Q1 transmitting
Pole connects electric capacity C1 one end and triode Q3 base stage, and triode Q1 colelctor electrode connecting resistance R3 one end, resistance R3's is another
Unit meets power supply+5V, and electric capacity C1 another termination triode Q2 base stage, triode Q2 colelctor electrode connecting resistance R1's is another
End, triode Q2 emitter stage connect inductance L1 one end and electric capacity C2 one end, electric capacity C2 another terminating resistor R4 one end,
Resistance R4 other end ground connection, triode Q3 colelctor electrode connect the inductance L1 other end.
Embodiment three, on the basis of embodiment one, when the signal of on-off circuit input is normal, transport and placing device AR1 outputs are low
Level potential, now transport and placing device AR2 in-phase input end is low level current potential, and transport and placing device AR2 exports low level current potential, triode
Q5 is not turned on, and the signal of now transport and placing device AR1 outputs exports after resistance R6 partial pressures, that is to say that input ic signal transmits
In passage；The signal of on-off circuit input is abnormal, when that is to say that the signal amplitude of signal transmission passage is too low, now transport and placing device
AR1 exports high level current potential, therefore transport and placing device AR2 output high level signals, triode Q5 conductings, compensation circuit work, and power supply+
10V is flowed into integrated circuit signal transmission channel after resistance R7 partial pressures through triode Q5, plays the electromagnetic interference of integrated circuit
The effect of compensation, triode Q5 base stage connect transport and placing device AR2 output end, transport and placing device AR2 anti-phase input terminating resistor R8's
One end, resistance R8 one end ground connection, triode Q5 colelctor electrode connecting resistance R7 one end, resistance R7 another termination+10V, three
Pole pipe Q5 emitter stage connects signal output port.
Present invention tool is in use, IC interior offset correction circuit, including on-off circuit, discharge circuit and amplification are mended
Circuit is repaid, the on-off circuit receives the input signal of integrated circuit signal transmission channel, is formed using triode Q1-Q3 compound
Circuit amplitude modulation, then exported by discharge circuit using transport and placing device AR1 amplified signals after resistance R8 partial pressures, that is to say that input is integrated
In circuit signal transmission channel, while amplify compensation circuit collection transport and placing device AR1 output end electric potential signals, put through transport and placing device AR2
Output signal control triode Q5 conducting and cut-off, that is to say the output for controlling amplification compensation circuit to be transport and placing device AR1 after big
Signal compensation current potential, the discharge circuit receive the signal of on-off circuit input, amplifier with transport and placing device AR1 in-phase input end
The current potential of device AR1 in-phase input end is controlled by triode Q4, and when the signal of on-off circuit input is normal, triode Q4 is led
Logical, the current potential of transport and placing device AR1 inverting input is high level current potential, and now transport and placing device AR1 homophase input terminal potential can be near
It is seemingly constant, therefore transport and placing device AR1 output end output low level current potential, exported after resistance R6 partial pressures, that is to say that input is integrated
In circuit signal transmission channel, similarly, when the abnormal signal of on-off circuit input, it that is to say that the signal of signal transmission passage shakes
When too low, triode Q4 is not turned on, and transport and placing device AR1 output end output high level current potential, the signal of on-off circuit input is just
Chang Shi, transport and placing device AR1 export low level current potential, and now transport and placing device AR2 in-phase input end is low level current potential, transport and placing device AR2
Low level current potential is exported, triode Q5 is not turned on, and the signal of now transport and placing device AR1 outputs exports after resistance R6 partial pressures, namely
It is in input ic signal transmission passage；The signal of on-off circuit input is abnormal, that is to say the letter of signal transmission passage
When number amplitude is too low, now transport and placing device AR1 exports high level current potential, therefore transport and placing device AR2 output high level signals, triode
Q5 is turned on, and compensation circuit work, power supply+10V flows into integrated circuit signal transmission channel after resistance R7 partial pressures through triode Q5
It is interior, play the effect of the electromagnetic interference compensation of integrated circuit.
Described above is to combine embodiment further description made for the present invention, it is impossible to assert the present invention
Specific implementation is limited only to this；For belonging to the present invention and for those skilled in the technology concerned, based on skill of the present invention
Under the premise of art scheme thinking, the expansion made and operating method, the replacement of data, should all fall the scope of the present invention it
It is interior.
Claims (3)
1. IC interior offset correction circuit, including on-off circuit, discharge circuit and amplification compensation circuit, its feature exist
In the on-off circuit receives the input signal of integrated circuit signal transmission channel, and compound circuit is formed using triode Q1-Q3
Amplitude modulation, then exported by discharge circuit using transport and placing device AR1 amplified signals after resistance R8 partial pressures, that is to say input ic
In signal transmission passage, while amplify compensation circuit collection transport and placing device AR1 output end electric potential signals, after transport and placing device AR2 amplifications
Output signal control triode Q5 conducting and cut-off, that is to say the output signal for controlling amplification compensation circuit to be transport and placing device AR1
Compensate current potential；
The discharge circuit includes transport and placing device AR1, transport and placing device AR1 homophase input termination triode Q3 emitter stage, transport and placing device
AR1 anti-phase input termination triode Q4 emitter stage, triode Q4 base stage connect triode Q3 colelctor electrode, triode Q4's
Colelctor electrode connecting resistance R5 one end, resistance R5 another termination power+10V, transport and placing device AR1 output termination transport and placing device AR2's
One end of in-phase input end and resistance R6, resistance R6 another termination signal output port.
2. IC interior offset correction circuit as claimed in claim 1, it is characterised in that the on-off circuit includes three poles
Pipe Q1, triode Q1 base stage connecting resistance R2 one end, resistance R2 another terminating resistor R1 one end and signal input port,
Triode Q1 emitter stage connects electric capacity C1 one end and triode Q3 base stage, and the one of triode Q1 colelctor electrode connecting resistance R3
End, resistance R3 another unit connect power supply+5V, electric capacity C1 another termination triode Q2 base stage, triode Q2 colelctor electrode
The connecting resistance R1 other end, triode Q2 emitter stage connect inductance L1 one end and electric capacity C2 one end, the electric capacity C2 other end
Connecting resistance R4 one end, resistance R4 other end ground connection, triode Q3 colelctor electrode connect the inductance L1 other end.
3. IC interior offset correction circuit as claimed in claim 1, it is characterised in that the amplification compensation circuit includes
Triode Q5, triode Q5 base stage connect transport and placing device AR2 output end, and the one of transport and placing device AR2 anti-phase input terminating resistor R8
End, resistance R8 one end ground connection, triode Q5 colelctor electrode connecting resistance R7 one end, resistance R7 another termination+10V, three poles
Pipe Q5 emitter stage connects signal output port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174735.6A CN107888177B (en) | 2017-11-22 | 2017-11-22 | Integrated circuit internal bias correction circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174735.6A CN107888177B (en) | 2017-11-22 | 2017-11-22 | Integrated circuit internal bias correction circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107888177A true CN107888177A (en) | 2018-04-06 |
| CN107888177B CN107888177B (en) | 2020-07-07 |
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ID=61778094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711174735.6A Active CN107888177B (en) | 2017-11-22 | 2017-11-22 | Integrated circuit internal bias correction circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107888177B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566224A (en) * | 2018-04-26 | 2018-09-21 | 郑州工程技术学院 | Internet of Things system based on wireless network |
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| JPH0638065A (en) * | 1992-07-21 | 1994-02-10 | Fujitsu General Ltd | Raster size adjusting device |
| CN201289616Y (en) * | 2008-10-29 | 2009-08-12 | 英业达科技有限公司 | Voltage potential quasi converting circuit |
| CN203813659U (en) * | 2014-03-18 | 2014-09-03 | 井冈山电器有限公司 | Satellite tuner power supply circuit |
| CN104467419A (en) * | 2014-11-29 | 2015-03-25 | 成都思茂科技有限公司 | Two-stage low-pass filtering and amplifying, peak clipping and pulse modulation system based on linear driving |
| CN107171555A (en) * | 2017-07-25 | 2017-09-15 | 西安电子科技大学 | A kind of mu balanced circuit applied to high tension voltage IC interior |
| CN107291137A (en) * | 2017-07-25 | 2017-10-24 | 西安电子科技大学 | A kind of adjustable output reference source circuit |
-
2017
- 2017-11-22 CN CN201711174735.6A patent/CN107888177B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0638065A (en) * | 1992-07-21 | 1994-02-10 | Fujitsu General Ltd | Raster size adjusting device |
| CN201289616Y (en) * | 2008-10-29 | 2009-08-12 | 英业达科技有限公司 | Voltage potential quasi converting circuit |
| CN203813659U (en) * | 2014-03-18 | 2014-09-03 | 井冈山电器有限公司 | Satellite tuner power supply circuit |
| CN104467419A (en) * | 2014-11-29 | 2015-03-25 | 成都思茂科技有限公司 | Two-stage low-pass filtering and amplifying, peak clipping and pulse modulation system based on linear driving |
| CN107171555A (en) * | 2017-07-25 | 2017-09-15 | 西安电子科技大学 | A kind of mu balanced circuit applied to high tension voltage IC interior |
| CN107291137A (en) * | 2017-07-25 | 2017-10-24 | 西安电子科技大学 | A kind of adjustable output reference source circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108566224A (en) * | 2018-04-26 | 2018-09-21 | 郑州工程技术学院 | Internet of Things system based on wireless network |
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| Publication number | Publication date |
|---|---|
| CN107888177B (en) | 2020-07-07 |
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Effective date of registration: 20200914 Address after: 518000 2102, building a, wisdom Plaza, Qiaoxiang Road, Gaofa community, Shahe street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Zhongke Lanxun Technology Co.,Ltd. Address before: Xi'an City, Shaanxi province Taibai Road 710071 No. 2 Patentee before: XIDIAN University |
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