JPS5320844A - Gain control circuit - Google Patents

Gain control circuit

Info

Publication number
JPS5320844A
JPS5320844A JP9488376A JP9488376A JPS5320844A JP S5320844 A JPS5320844 A JP S5320844A JP 9488376 A JP9488376 A JP 9488376A JP 9488376 A JP9488376 A JP 9488376A JP S5320844 A JPS5320844 A JP S5320844A
Authority
JP
Japan
Prior art keywords
control circuit
gain control
differntially
leak
transistor
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
Application number
JP9488376A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5726445B2 (en:Method
Inventor
Takao Arai
Shigeru Okada
Koichi Tomatsuri
Hiroshi Toeda
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9488376A priority Critical patent/JPS5320844A/ja
Priority to US05/823,198 priority patent/US4134078A/en
Publication of JPS5320844A publication Critical patent/JPS5320844A/ja
Publication of JPS5726445B2 publication Critical patent/JPS5726445B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP9488376A 1976-08-11 1976-08-11 Gain control circuit Granted JPS5320844A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP9488376A JPS5320844A (en) 1976-08-11 1976-08-11 Gain control circuit
US05/823,198 US4134078A (en) 1976-08-11 1977-08-09 Gain control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9488376A JPS5320844A (en) 1976-08-11 1976-08-11 Gain control circuit

Publications (2)

Publication Number Publication Date
JPS5320844A true JPS5320844A (en) 1978-02-25
JPS5726445B2 JPS5726445B2 (en:Method) 1982-06-04

Family

ID=14122436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9488376A Granted JPS5320844A (en) 1976-08-11 1976-08-11 Gain control circuit

Country Status (2)

Country Link
US (1) US4134078A (en:Method)
JP (1) JPS5320844A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53148260A (en) * 1977-05-30 1978-12-23 Victor Co Of Japan Ltd Gain control circuit

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54121647A (en) * 1978-03-15 1979-09-20 Hitachi Ltd Monostable multivibrator
US4344044A (en) * 1980-04-23 1982-08-10 Rca Corporation Gain-controlled amplifier utilizing variable emitter degeneration and collector load impedance
US4344043A (en) * 1980-04-23 1982-08-10 Rca Corporation Variable load impedance gain-controlled amplifier
US4378528A (en) * 1981-03-31 1983-03-29 Rca Corporation Gain-controlled amplifier system
DE3223229C2 (de) * 1982-06-22 1986-11-13 Texas Instruments Deutschland Gmbh, 8050 Freising Hochfrequenzverstärker
US4538300A (en) * 1983-09-07 1985-08-27 Sprague Electric Company Linear signal strength detector in AM radio
JPS63161219A (ja) * 1986-12-22 1988-07-04 Mikio Umeoka 基礎杭及びその建て込み方法
JPH0666614B2 (ja) * 1988-11-18 1994-08-24 三洋電機株式会社 利得制御増幅回路
DE4015475A1 (de) * 1990-05-14 1991-11-21 Siemens Ag Schaltungsanordnung zur gradationsentzerrung
US5574678A (en) * 1995-03-01 1996-11-12 Lattice Semiconductor Corp. Continuous time programmable analog block architecture
US6215355B1 (en) * 1999-10-13 2001-04-10 Tropian, Inc. Constant impedance for switchable amplifier with power control
US7068987B2 (en) 2000-10-02 2006-06-27 Conexant, Inc. Packet acquisition and channel tracking for a wireless communication device configured in a zero intermediate frequency architecture
AU2002246874A1 (en) * 2001-01-02 2002-08-06 Intersil Americas Inc. Precision automatic gain control circuit
US7099098B2 (en) * 2003-01-22 2006-08-29 Stmicroelectronics, Inc. Preamplifier circuit and method for a disk drive device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3641450A (en) * 1970-12-15 1972-02-08 Motorola Inc Gain controlled differential amplifier circuit
US3970948A (en) * 1974-12-06 1976-07-20 Rca Corporation Controller gain signal amplifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53148260A (en) * 1977-05-30 1978-12-23 Victor Co Of Japan Ltd Gain control circuit

Also Published As

Publication number Publication date
JPS5726445B2 (en:Method) 1982-06-04
US4134078A (en) 1979-01-09

Similar Documents

Publication Publication Date Title
JPS5278052A (en) Switching regulator
JPS5320844A (en) Gain control circuit
JPS51143832A (en) Inverter
JPS526044A (en) Dynamic decoder circuit
JPS5389306A (en) Dc current supplying circuit
JPS51127440A (en) Means for protecting constant voltage circuit
JPS5320554A (en) Constant current circuit
JPS53119657A (en) Digital-to-analog converter
JPS5246429A (en) Direct current high voltage power source
JPS53852A (en) Constant current source
JPS51130829A (en) Highper tension power supply device
JPS53120159A (en) Voltage clamp circuit
JPS5210042A (en) Level transforming circuit
JPS547556A (en) Minute current source circuit
JPS524038A (en) Stabilized power source circuit
JPS5271655A (en) Control system in power supply circuit
JPS5239158A (en) Switching regulator
JPS51111036A (en) Transistor circuit
JPS5276662A (en) Stabilized power source
JPS51139758A (en) Potential adjusting circuit
JPS5441422A (en) Inverter
JPS5256977A (en) Voltage detecting circuit
JPS53132752A (en) Constant current circuit
JPS5374822A (en) Amplifier circuit
JPS5287396A (en) Semiconductor indication equipment