JPS548922A - Gain control circuit for chroma signal - Google Patents
Gain control circuit for chroma signalInfo
- Publication number
- JPS548922A JPS548922A JP7517377A JP7517377A JPS548922A JP S548922 A JPS548922 A JP S548922A JP 7517377 A JP7517377 A JP 7517377A JP 7517377 A JP7517377 A JP 7517377A JP S548922 A JPS548922 A JP S548922A
- Authority
- JP
- Japan
- Prior art keywords
- chroma signal
- control circuit
- gain control
- differential amplifier
- picking
- 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
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Processing Of Color Television Signals (AREA)
Abstract
PURPOSE: To stabilize the DC voltage level of the chroma signal, by commonly picking up the collector output of the first Tr of the second differential amplifier and the second transistor Tr of the first differential amplifier, and by connecting it to the power supply via the load resistor.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7517377A JPS548922A (en) | 1977-06-23 | 1977-06-23 | Gain control circuit for chroma signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7517377A JPS548922A (en) | 1977-06-23 | 1977-06-23 | Gain control circuit for chroma signal |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS548922A true JPS548922A (en) | 1979-01-23 |
Family
ID=13568535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7517377A Pending JPS548922A (en) | 1977-06-23 | 1977-06-23 | Gain control circuit for chroma signal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS548922A (en) |
-
1977
- 1977-06-23 JP JP7517377A patent/JPS548922A/en active Pending
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