JPS624885B2 - - Google Patents

Info

Publication number
JPS624885B2
JPS624885B2 JP52152459A JP15245977A JPS624885B2 JP S624885 B2 JPS624885 B2 JP S624885B2 JP 52152459 A JP52152459 A JP 52152459A JP 15245977 A JP15245977 A JP 15245977A JP S624885 B2 JPS624885 B2 JP S624885B2
Authority
JP
Japan
Prior art keywords
transistor
whose
differential amplifier
bias current
transistors
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
Application number
JP52152459A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5484956A (en
Inventor
Eiichi Matsumura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP15245977A priority Critical patent/JPS5484956A/ja
Publication of JPS5484956A publication Critical patent/JPS5484956A/ja
Publication of JPS624885B2 publication Critical patent/JPS624885B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP15245977A 1977-12-20 1977-12-20 Automatic gain control circuit Granted JPS5484956A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15245977A JPS5484956A (en) 1977-12-20 1977-12-20 Automatic gain control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15245977A JPS5484956A (en) 1977-12-20 1977-12-20 Automatic gain control circuit

Publications (2)

Publication Number Publication Date
JPS5484956A JPS5484956A (en) 1979-07-06
JPS624885B2 true JPS624885B2 (cs) 1987-02-02

Family

ID=15540971

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15245977A Granted JPS5484956A (en) 1977-12-20 1977-12-20 Automatic gain control circuit

Country Status (1)

Country Link
JP (1) JPS5484956A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63198383U (cs) * 1987-06-05 1988-12-21

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63198383U (cs) * 1987-06-05 1988-12-21

Also Published As

Publication number Publication date
JPS5484956A (en) 1979-07-06

Similar Documents

Publication Publication Date Title
JP3282039B2 (ja) 自動利得制御回路に指数関数段を接続する回路，自動利得制御回路及び温度補償回路
EP0004099B1 (en) Electrically variable impedance circuit
GB2107947A (en) Improvements in or relating to transistor mixer and amplifier input stages for radio receivers
CA1164962A (en) Amplifier arrangement whose overall gain is controllable by means of a control voltage
US3526786A (en) Control apparatus
JPS624885B2 (cs)
US3676790A (en) Differential feedback amplifier
JPH09331220A (ja) 利得可変増幅器
JPH02889B2 (cs)
US4137506A (en) Compound transistor circuitry
JPH0257372B2 (cs)
JPH0116050B2 (cs)
JPS6161568B2 (cs)
JP2937765B2 (ja) 電圧制御増幅回路
US4047118A (en) Transistor amplifier circuit
JPH0113453Y2 (cs)
JPH0462608B2 (cs)
US3533002A (en) Operational amplifier providing low input current and enhanced high frequency gain
JPH0339933Y2 (cs)
JPH0145766B2 (cs)
JPH0418251Y2 (cs)
JPH0326670Y2 (cs)
JPS6113403B2 (cs)
JPH0630425B2 (ja) 広帯域可変利得増幅回路
JPH0339927Y2 (cs)