JPH0551206B2 - - Google Patents
Info
- Publication number
- JPH0551206B2 JPH0551206B2 JP62009150A JP915087A JPH0551206B2 JP H0551206 B2 JPH0551206 B2 JP H0551206B2 JP 62009150 A JP62009150 A JP 62009150A JP 915087 A JP915087 A JP 915087A JP H0551206 B2 JPH0551206 B2 JP H0551206B2
- Authority
- JP
- Japan
- Prior art keywords
- gain control
- transistor
- transistors
- current
- emitter
- 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 - Fee Related
Links
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
Landscapes
- Control Of Amplification And Gain Control (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62009150A JPS63178611A (ja) | 1987-01-20 | 1987-01-20 | 利得制御回路 |
KR1019870015383A KR900006434B1 (ko) | 1987-01-20 | 1987-12-30 | 이득제어회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62009150A JPS63178611A (ja) | 1987-01-20 | 1987-01-20 | 利得制御回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63178611A JPS63178611A (ja) | 1988-07-22 |
JPH0551206B2 true JPH0551206B2 (enrdf_load_stackoverflow) | 1993-08-02 |
Family
ID=11712589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62009150A Granted JPS63178611A (ja) | 1987-01-20 | 1987-01-20 | 利得制御回路 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS63178611A (enrdf_load_stackoverflow) |
KR (1) | KR900006434B1 (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04211508A (ja) * | 1990-06-15 | 1992-08-03 | Toshiba Corp | 積分回路 |
JPH04345203A (ja) * | 1991-05-22 | 1992-12-01 | Mitsubishi Electric Corp | 可変利得増幅器 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6096012A (ja) * | 1983-10-31 | 1985-05-29 | Matsushita Electric Ind Co Ltd | 可変利得増幅器 |
-
1987
- 1987-01-20 JP JP62009150A patent/JPS63178611A/ja active Granted
- 1987-12-30 KR KR1019870015383A patent/KR900006434B1/ko not_active Expired
Also Published As
Publication number | Publication date |
---|---|
KR880009478A (ko) | 1988-09-15 |
KR900006434B1 (ko) | 1990-08-31 |
JPS63178611A (ja) | 1988-07-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5608352A (en) | Differential input circuit capable of broadening operation range of input common mode potential | |
US6265941B1 (en) | Balanced differential amplifier having common mode feedback with kick-start | |
US5896063A (en) | Variable gain amplifier with improved linearity and bandwidth | |
US5475343A (en) | Class AB complementary output stage | |
US6437645B1 (en) | Slew rate boost circuitry and method | |
EP0037406B1 (en) | Cmos operational amplifier with reduced power dissipation | |
US3953807A (en) | Current amplifier | |
US5170133A (en) | Low-noise amplifier with high input impedance, particularly for microphones | |
US4484148A (en) | Current source frequency compensation for a CMOS amplifier | |
CA1078469A (en) | Differential amplifier | |
US6304142B1 (en) | Variable transconductance amplifier | |
KR20020035324A (ko) | 차동 증폭기 | |
JPH0582082B2 (enrdf_load_stackoverflow) | ||
US4647841A (en) | Low voltage, high precision current source | |
JPH07114332B2 (ja) | 相補形カレント・ミラー回路を用いたダイアモンド・フォロワ回路及びゼロ・オフセットの増幅器 | |
US6788143B1 (en) | Cascode stage for an operational amplifier | |
US5939944A (en) | NPN push-pull output stage with folded cascode JFETs | |
US5132640A (en) | Differential current amplifier circuit | |
JPH07142940A (ja) | Mosfet電力増幅器 | |
US3946325A (en) | Transistor amplifier | |
US20030038671A1 (en) | Current mirror | |
US5140181A (en) | Reference voltage source circuit for a Darlington circuit | |
JP3081210B2 (ja) | 線形利得増幅回路 | |
JPH0551206B2 (enrdf_load_stackoverflow) | ||
US5162671A (en) | Schmitt voltage comparator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |