CN203225710U - Integrated fully-differential amplifier - Google Patents
Integrated fully-differential amplifier Download PDFInfo
- Publication number
- CN203225710U CN203225710U CN 201320121320 CN201320121320U CN203225710U CN 203225710 U CN203225710 U CN 203225710U CN 201320121320 CN201320121320 CN 201320121320 CN 201320121320 U CN201320121320 U CN 201320121320U CN 203225710 U CN203225710 U CN 203225710U
- Authority
- CN
- China
- Prior art keywords
- triode
- resistance
- diode
- amplifier
- base stage
- 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
Images
Landscapes
- Amplifiers (AREA)
Abstract
The utility model discloses an integrated fully-differential amplifier, which comprises an amplifier, a first capacitor, a second capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a first diode, a second diode, a first triode, a second triode, a third triode, a fourth triode, a fifth triode and a sixth triode, wherein a first signal input end is respectively connected with a positive electrode of the first diode, a collector electrode of the first triode and a transmitter electrode of the third triode, a second signal input end is connected with a base electrode of the second triode, and a third signal input end is connected with a base electrode of the first triode. The integrated fully-differential amplifier is high in reliability and safety and stable in working state.
Description
Technical field
The utility model relates to a kind of amplifier, relates in particular to a kind of integrated fully-differential amplifier.
Background technology
Integrated fully-differential amplifier and normal voltage feedback operational amplifier have the difference input.Fully-differential amplifier is difference output, and the standard operation amplifier is single-ended output.For fully-differential amplifier, its output is that differential mode and output common mode voltage can be independent of the differential voltage setting.For single-ended outputting standard operational amplifier, output common mode voltage is exactly signal.By a feedback road is arranged, fully-differential amplifier has a plurality of feedback networks between the output of standard operation amplifier and the negative sense input.The not high or problem of unstable working condition of security performance can appear in present employed amplifier majority.
The utility model content
The purpose of this utility model just is to provide in order to address the above problem the integrated fully-differential amplifier of a kind of reliability height, safe, stable working state.
In order to achieve the above object, the utility model has adopted following technical scheme:
A kind of integrated fully-differential amplifier, comprise amplifier, first electric capacity, second electric capacity, first resistance, second resistance, the 3rd resistance, the 4th resistance, first diode, second diode, first triode, second triode, the 3rd triode, the 4th triode, the 5th triode and the 6th triode, first signal input part respectively with the positive pole of described first diode, the collector electrode of described first triode is connected with the emitter of described the 3rd triode, the secondary signal input is connected with the base stage of described second triode, the 3rd signal input part is connected with the base stage of described first triode, the 4th signal input part respectively with the emitter of described first triode, the emitter of described second triode, the emitter of described the 5th triode, the emitter of described the 6th triode, first end of described the 3rd resistance, the negative pole of described second diode, the base stage of described the 3rd triode is connected with the base stage of described the 4th triode, the negative pole of described first diode is connected with the positive pole of described second diode, the collector electrode of described the 3rd triode respectively with the collector electrode of described the 5th triode, first end of described second electric capacity be connected with first signal output part again after first end of described second resistance is connected, the base stage of described the 5th triode is connected with the base stage of described the 6th triode and the signal output part of described amplifier respectively, described amplifier's inverting input is connected with second end of described the 3rd resistance and first end of described the 4th resistance respectively, second end of described the 4th resistance is the secondary signal output, the normal phase input end of described amplifier respectively with first end of described first electric capacity, second end of described second electric capacity, first end of described first resistance is connected with second end of described second resistance, second end of described first resistance respectively with two ends of described first electric capacity, the collector electrode of described the 4th triode is connected with the collector electrode of described the 6th triode, and second end of described first resistance is the 3rd signal output part.
The beneficial effects of the utility model are:
The reliability height of the integrated fully-differential amplifier of the utility model, safe, stable working state.
Description of drawings
Fig. 1 is the electrical block diagram of the integrated fully-differential amplifier of the utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, the integrated fully-differential amplifier of the utility model, comprise amplifier U1, first capacitor C 1, second capacitor C 2, first resistance R 1, second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the first diode D1, the second diode D2, the first triode VT1, the second triode VT2, the 3rd triode VT3, the 4th triode VT4, the 5th triode VT5 and the 6th triode VT6, first signal input part respectively with the positive pole of the first diode D1, the collector electrode of the first triode VT1 is connected with the emitter of the 3rd triode VT3, the secondary signal input is connected with the base stage of the second triode VT2, the 3rd signal input part is connected with the base stage of the first triode VT1, the 4th signal input part respectively with the emitter of the first triode VT1, the emitter of the second triode VT2, the emitter of the 5th triode VT5, the emitter of the 6th triode VT6, first end of the 3rd resistance R 3, the negative pole of the second diode D2, the base stage of the 3rd triode VT3 is connected with the base stage of the 4th triode VT4, the negative pole of the first diode D1 is connected with the positive pole of the second diode D2, the collector electrode of the 3rd triode VT3 respectively with the collector electrode of the 5th triode VT5, after being connected, first end of first end of second capacitor C 2 and second resistance R 2 is connected with first signal output part again, the base stage of the 5th triode VT5 is connected with the base stage of the 6th triode VT6 and the signal output part of amplifier U1 respectively, the inverting input of amplifier U1 is connected with second end of the 3rd resistance R 3 and first end of the 4th resistance R 4 respectively, second end of the 4th resistance R 4 is the secondary signal output, the normal phase input end of amplifier U1 respectively with first end of first capacitor C 1, second end of second capacitor C 2, first end of first resistance R 1 is connected with second end of second resistance R 2, second end of first resistance R 1 respectively with two ends of first capacitor C 1, the collector electrode of the 4th triode VT4 is connected with the collector electrode of the 6th triode VT6, and second end of first resistance R 1 is the 3rd signal output part.
Claims (1)
1. integrated fully-differential amplifier, it is characterized in that: comprise amplifier, first electric capacity, second electric capacity, first resistance, second resistance, the 3rd resistance, the 4th resistance, first diode, second diode, first triode, second triode, the 3rd triode, the 4th triode, the 5th triode and the 6th triode, first signal input part respectively with the positive pole of described first diode, the collector electrode of described first triode is connected with the emitter of described the 3rd triode, the secondary signal input is connected with the base stage of described second triode, the 3rd signal input part is connected with the base stage of described first triode, the 4th signal input part respectively with the emitter of described first triode, the emitter of described second triode, the emitter of described the 5th triode, the emitter of described the 6th triode, first end of described the 3rd resistance, the negative pole of described second diode, the base stage of described the 3rd triode is connected with the base stage of described the 4th triode, the negative pole of described first diode is connected with the positive pole of described second diode, the collector electrode of described the 3rd triode respectively with the collector electrode of described the 5th triode, first end of described second electric capacity be connected with first signal output part again after first end of described second resistance is connected, the base stage of described the 5th triode is connected with the base stage of described the 6th triode and the signal output part of described amplifier respectively, described amplifier's inverting input is connected with second end of described the 3rd resistance and first end of described the 4th resistance respectively, second end of described the 4th resistance is the secondary signal output, the normal phase input end of described amplifier respectively with first end of described first electric capacity, second end of described second electric capacity, first end of described first resistance is connected with second end of described second resistance, second end of described first resistance respectively with two ends of described first electric capacity, the collector electrode of described the 4th triode is connected with the collector electrode of described the 6th triode, and second end of described first resistance is the 3rd signal output part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320121320 CN203225710U (en) | 2013-03-18 | 2013-03-18 | Integrated fully-differential amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320121320 CN203225710U (en) | 2013-03-18 | 2013-03-18 | Integrated fully-differential amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203225710U true CN203225710U (en) | 2013-10-02 |
Family
ID=49252700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320121320 Expired - Fee Related CN203225710U (en) | 2013-03-18 | 2013-03-18 | Integrated fully-differential amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203225710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106170171A (en) * | 2016-08-30 | 2016-11-30 | 中广核达胜加速器技术有限公司 | A kind of wide scope, in high precision, microbeam stream regulation circuit |
-
2013
- 2013-03-18 CN CN 201320121320 patent/CN203225710U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106170171A (en) * | 2016-08-30 | 2016-11-30 | 中广核达胜加速器技术有限公司 | A kind of wide scope, in high precision, microbeam stream regulation circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204188702U (en) | A kind of current detection circuit | |
| CN204030954U (en) | A kind of series capacitance voltage dynamic balance circuit | |
| CN203225710U (en) | Integrated fully-differential amplifier | |
| CN203289311U (en) | Double-triode electronic filter circuit capable of voltage stabilization | |
| CN204794941U (en) | Voltage selector | |
| CN204808088U (en) | Utilize threshold voltage to realize electric current source of electric current | |
| CN203882882U (en) | External relay drive circuit | |
| CN203490249U (en) | Novel acceleration detector | |
| CN203502872U (en) | Adjuster with adjustable output voltages | |
| CN205067545U (en) | Low temperature floats reference circuit | |
| CN204794004U (en) | Inductive current current foldback circuit among SVG | |
| CN203313128U (en) | Novel infrared amplifying circuit | |
| CN103595102A (en) | Novel super capacitor voltage equalizing circuit | |
| CN203761361U (en) | Level shift circuit | |
| CN203338077U (en) | Analog signal sampling circuit of PLC control system | |
| CN205608073U (en) | A over - voltage detection circuit for singlechip | |
| CN104569488A (en) | Novel acceleration detector | |
| CN203491897U (en) | Electric transformer for computer | |
| CN203491913U (en) | Single-phase full bridge rectification circuit used for computer power supply module | |
| CN203399066U (en) | Level control circuit for radio broadcasting system in industrial production workshop | |
| CN204439700U (en) | A kind of vehicle current testing circuit | |
| CN203851014U (en) | Switching-on driving circuit | |
| CN203225832U (en) | Simple distributor circuit having filtering effect | |
| CN203313132U (en) | Anti-jamming infrared amplifier | |
| CN204615810U (en) | A kind of DAC supply unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20140318 |