JPH0141047B2 - - Google Patents
Info
- Publication number
- JPH0141047B2 JPH0141047B2 JP57107904A JP10790482A JPH0141047B2 JP H0141047 B2 JPH0141047 B2 JP H0141047B2 JP 57107904 A JP57107904 A JP 57107904A JP 10790482 A JP10790482 A JP 10790482A JP H0141047 B2 JPH0141047 B2 JP H0141047B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- circuit
- amplifier
- comparator
- resistor
- 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.)
- Expired
Links
- 238000009499 grossing Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
- H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Control Of Amplification And Gain Control (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10790482A JPS58225712A (ja) | 1982-06-23 | 1982-06-23 | 自動利得制御回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10790482A JPS58225712A (ja) | 1982-06-23 | 1982-06-23 | 自動利得制御回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58225712A JPS58225712A (ja) | 1983-12-27 |
| JPH0141047B2 true JPH0141047B2 (US20080293856A1-20081127-C00150.png) | 1989-09-01 |
Family
ID=14471009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10790482A Granted JPS58225712A (ja) | 1982-06-23 | 1982-06-23 | 自動利得制御回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58225712A (US20080293856A1-20081127-C00150.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59108413A (ja) * | 1982-12-14 | 1984-06-22 | Rohm Co Ltd | 自動レベル調整回路 |
| JP5363895B2 (ja) * | 2009-07-23 | 2013-12-11 | ルネサスエレクトロニクス株式会社 | 信号線駆動回路及び液晶表示装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50104846A (US20080293856A1-20081127-C00150.png) * | 1974-01-21 | 1975-08-19 | ||
| JPS5437616A (en) * | 1977-08-31 | 1979-03-20 | Fujitsu Ltd | Input level supervising system for variable attenuator |
-
1982
- 1982-06-23 JP JP10790482A patent/JPS58225712A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50104846A (US20080293856A1-20081127-C00150.png) * | 1974-01-21 | 1975-08-19 | ||
| JPS5437616A (en) * | 1977-08-31 | 1979-03-20 | Fujitsu Ltd | Input level supervising system for variable attenuator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58225712A (ja) | 1983-12-27 |
