JPS57115006A - Amplifier - Google Patents
AmplifierInfo
- Publication number
- JPS57115006A JPS57115006A JP235981A JP235981A JPS57115006A JP S57115006 A JPS57115006 A JP S57115006A JP 235981 A JP235981 A JP 235981A JP 235981 A JP235981 A JP 235981A JP S57115006 A JPS57115006 A JP S57115006A
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- circuit
- collector
- capacitor
- base
- 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.)
- Pending
Links
Abstract
PURPOSE: To simplify the circuit, by common use of a resistor of a feedback circuit and a bias circuit.
CONSTITUTION: A power supply 7 is connected to a collector of a transistor (TR)6. The base bias voltage of the TR6 is given via resistors 9a, 9b from the collector. A feedback signal from the collector is given to the base via the resistor 9a and a capacitor 4. Since a resistor constituting a voltage division circuit to obtain the base bias voltage has greater resistance than the resistor in a feedback circuit, a feedbakc signal in AC is picked up at a capacitor 4 from a dividing point by the resistors 9a, 9b.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP235981A JPS57115006A (en) | 1981-01-07 | 1981-01-07 | Amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP235981A JPS57115006A (en) | 1981-01-07 | 1981-01-07 | Amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57115006A true JPS57115006A (en) | 1982-07-17 |
Family
ID=11527065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP235981A Pending JPS57115006A (en) | 1981-01-07 | 1981-01-07 | Amplifier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57115006A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6032416A (en) * | 1983-08-03 | 1985-02-19 | Hitachi Ltd | Amplifier circuit |
-
1981
- 1981-01-07 JP JP235981A patent/JPS57115006A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6032416A (en) * | 1983-08-03 | 1985-02-19 | Hitachi Ltd | Amplifier circuit |
JPH058602B2 (en) * | 1983-08-03 | 1993-02-02 | Hitachi Ltd |
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