JPS5272144A - Differential amplifier circuit - Google Patents
Differential amplifier circuitInfo
- Publication number
- JPS5272144A JPS5272144A JP50148842A JP14884275A JPS5272144A JP S5272144 A JPS5272144 A JP S5272144A JP 50148842 A JP50148842 A JP 50148842A JP 14884275 A JP14884275 A JP 14884275A JP S5272144 A JPS5272144 A JP S5272144A
- Authority
- JP
- Japan
- Prior art keywords
- differential amplifier
- circuit
- amplifier circuit
- constant current
- implementation
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
PURPOSE:The differential amplifier cir cuit which is supplied with a current by the constant current circuit is connected with another constant current circuit in parallel to form a high input impedance circuit, thereby making the chip size smaller in combination with the IC-implementation of the circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50148842A JPS5821855B2 (en) | 1975-12-12 | 1975-12-12 | Sadou Zofuku Cairo |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50148842A JPS5821855B2 (en) | 1975-12-12 | 1975-12-12 | Sadou Zofuku Cairo |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5272144A true JPS5272144A (en) | 1977-06-16 |
JPS5821855B2 JPS5821855B2 (en) | 1983-05-04 |
Family
ID=15461947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50148842A Expired JPS5821855B2 (en) | 1975-12-12 | 1975-12-12 | Sadou Zofuku Cairo |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5821855B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59153311A (en) * | 1983-02-22 | 1984-09-01 | Matsushita Electric Ind Co Ltd | Differential amplifier circuit |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4731137U (en) * | 1971-04-23 | 1972-12-08 |
-
1975
- 1975-12-12 JP JP50148842A patent/JPS5821855B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4731137U (en) * | 1971-04-23 | 1972-12-08 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59153311A (en) * | 1983-02-22 | 1984-09-01 | Matsushita Electric Ind Co Ltd | Differential amplifier circuit |
JPH0473323B2 (en) * | 1983-02-22 | 1992-11-20 | Matsushita Electric Ind Co Ltd |
Also Published As
Publication number | Publication date |
---|---|
JPS5821855B2 (en) | 1983-05-04 |
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