JPS5266357A - Gain control circuit - Google Patents
Gain control circuitInfo
- Publication number
- JPS5266357A JPS5266357A JP14167775A JP14167775A JPS5266357A JP S5266357 A JPS5266357 A JP S5266357A JP 14167775 A JP14167775 A JP 14167775A JP 14167775 A JP14167775 A JP 14167775A JP S5266357 A JPS5266357 A JP S5266357A
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- gain control
- receivers
- circuit
- deaden
- 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
- Control Of Amplification And Gain Control (AREA)
- Noise Elimination (AREA)
Abstract
PURPOSE: To improve SN ratio at the time of low signal level and to deaden unpleasant noises of the receivers, by modifying the transistor of constant-current circuit, to be connected to the variable impedance circuit consisting a mute circuit which is used in the receivers, into a resistance emitter of grounded type so that the working range is changed.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50141677A JPS604614B2 (en) | 1975-11-28 | 1975-11-28 | gain control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50141677A JPS604614B2 (en) | 1975-11-28 | 1975-11-28 | gain control circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5266357A true JPS5266357A (en) | 1977-06-01 |
JPS604614B2 JPS604614B2 (en) | 1985-02-05 |
Family
ID=15297621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50141677A Expired JPS604614B2 (en) | 1975-11-28 | 1975-11-28 | gain control circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS604614B2 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4890446A (en) * | 1972-03-02 | 1973-11-26 | ||
JPS4911448A (en) * | 1972-05-31 | 1974-01-31 | ||
JPS4911263A (en) * | 1972-05-27 | 1974-01-31 |
-
1975
- 1975-11-28 JP JP50141677A patent/JPS604614B2/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4890446A (en) * | 1972-03-02 | 1973-11-26 | ||
JPS4911263A (en) * | 1972-05-27 | 1974-01-31 | ||
JPS4911448A (en) * | 1972-05-31 | 1974-01-31 |
Also Published As
Publication number | Publication date |
---|---|
JPS604614B2 (en) | 1985-02-05 |
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