JPS57186812A - Differential amplifying circuit - Google Patents
Differential amplifying circuitInfo
- Publication number
- JPS57186812A JPS57186812A JP56072516A JP7251681A JPS57186812A JP S57186812 A JPS57186812 A JP S57186812A JP 56072516 A JP56072516 A JP 56072516A JP 7251681 A JP7251681 A JP 7251681A JP S57186812 A JPS57186812 A JP S57186812A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- electrode
- electric power
- power source
- gate electrode
- 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
Landscapes
- Amplifiers (AREA)
Abstract
PURPOSE: To widen an inphase input voltage range, by operating an MOSFET whose gate electrode is connected to each input terminal, by higher potential and lower potential than the supplied electric power source potential, by its threshold voltage.
CONSTITUTION: MOSFETs 21, 22 and 23, 24 are electrically matched, respectively, and the MOSFET 21 connects the drain electrode, the gate electrode and the source electrode to an electric power source 30, a control terminal and an output terminal 28. respectively. Also, the MOSFET 22 connects the drain electrode, the gate electrode and the source electrode to the electric power source 30, the control terminal and a terminal 29, respectively. On the other hand, the MOSFET23 connects the drain electrode, the gate electrode and the source electrode to the terminal 28, an input terminal 26 and an electric power source 31, respectively. Also, the MOSFET 24 connects the drain electrode, the gate electrode and the source electrode to the terminal 29, an input terminal 27 and the electric power source 31, respectively. Subsequently, the sum of a variation of the potential on the terminal 28 and 29 is inverted and amplified 34, and is applied to the control terminal.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56072516A JPS57186812A (en) | 1981-05-14 | 1981-05-14 | Differential amplifying circuit |
DE8181104892T DE3173056D1 (en) | 1980-06-24 | 1981-06-24 | Linear voltage-current converter |
EP84105146A EP0139078B1 (en) | 1980-06-24 | 1981-06-24 | Amplifier transistor circuit |
EP81104892A EP0045841B1 (en) | 1980-06-24 | 1981-06-24 | Linear voltage-current converter |
US06/276,742 US4427903A (en) | 1980-06-24 | 1981-06-24 | Voltage current converter circuit |
DE8484105146T DE3176981D1 (en) | 1980-06-24 | 1981-06-24 | Amplifier transistor circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56072516A JPS57186812A (en) | 1981-05-14 | 1981-05-14 | Differential amplifying circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57186812A true JPS57186812A (en) | 1982-11-17 |
JPH027523B2 JPH027523B2 (en) | 1990-02-19 |
Family
ID=13491573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56072516A Granted JPS57186812A (en) | 1980-06-24 | 1981-05-14 | Differential amplifying circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57186812A (en) |
-
1981
- 1981-05-14 JP JP56072516A patent/JPS57186812A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH027523B2 (en) | 1990-02-19 |
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