JPS53127254A - Gain control circuit - Google Patents
Gain control circuitInfo
- Publication number
- JPS53127254A JPS53127254A JP4287977A JP4287977A JPS53127254A JP S53127254 A JPS53127254 A JP S53127254A JP 4287977 A JP4287977 A JP 4287977A JP 4287977 A JP4287977 A JP 4287977A JP S53127254 A JPS53127254 A JP S53127254A
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- gain control
- voltage
- gain
- control
- 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)
Abstract
PURPOSE: To change the gain a plural number of times with the change in a control voltage, by comparing the control voltage for a gain control circuit from external and a given reference voltage, and by controlling the circuit with the difference voltage between the DC voltage output corresponding to it and the control voltage.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4287977A JPS5829888B2 (en) | 1977-04-13 | 1977-04-13 | gain control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4287977A JPS5829888B2 (en) | 1977-04-13 | 1977-04-13 | gain control circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53127254A true JPS53127254A (en) | 1978-11-07 |
JPS5829888B2 JPS5829888B2 (en) | 1983-06-25 |
Family
ID=12648316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4287977A Expired JPS5829888B2 (en) | 1977-04-13 | 1977-04-13 | gain control circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5829888B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58219808A (en) * | 1982-06-15 | 1983-12-21 | Matsushita Electric Ind Co Ltd | Dc voltage control type signal attenuator |
-
1977
- 1977-04-13 JP JP4287977A patent/JPS5829888B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58219808A (en) * | 1982-06-15 | 1983-12-21 | Matsushita Electric Ind Co Ltd | Dc voltage control type signal attenuator |
Also Published As
Publication number | Publication date |
---|---|
JPS5829888B2 (en) | 1983-06-25 |
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