JPS6211530B2 - - Google Patents

Info

Publication number
JPS6211530B2
JPS6211530B2 JP1997779A JP1997779A JPS6211530B2 JP S6211530 B2 JPS6211530 B2 JP S6211530B2 JP 1997779 A JP1997779 A JP 1997779A JP 1997779 A JP1997779 A JP 1997779A JP S6211530 B2 JPS6211530 B2 JP S6211530B2
Authority
JP
Japan
Prior art keywords
transistor
circuit
transistors
agc
impedance element
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
JP1997779A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55112016A (en
Inventor
Yamato Okashin
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP1997779A priority Critical patent/JPS55112016A/ja
Publication of JPS55112016A publication Critical patent/JPS55112016A/ja
Publication of JPS6211530B2 publication Critical patent/JPS6211530B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3005Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/301Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • H03G3/3015Automatic 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)
JP1997779A 1979-02-22 1979-02-22 Level control circuit Granted JPS55112016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1997779A JPS55112016A (en) 1979-02-22 1979-02-22 Level control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1997779A JPS55112016A (en) 1979-02-22 1979-02-22 Level control circuit

Publications (2)

Publication Number Publication Date
JPS55112016A JPS55112016A (en) 1980-08-29
JPS6211530B2 true JPS6211530B2 (enrdf_load_stackoverflow) 1987-03-13

Family

ID=12014237

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1997779A Granted JPS55112016A (en) 1979-02-22 1979-02-22 Level control circuit

Country Status (1)

Country Link
JP (1) JPS55112016A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6452617U (enrdf_load_stackoverflow) * 1987-09-25 1989-03-31

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6452617U (enrdf_load_stackoverflow) * 1987-09-25 1989-03-31

Also Published As

Publication number Publication date
JPS55112016A (en) 1980-08-29

Similar Documents

Publication Publication Date Title
US4480337A (en) Transistor mixer and amplifier input stage
JPH0718180Y2 (ja) 無線周波受信機用トランジスタ化増幅兼混合入力段
US4429416A (en) Multistage cascade/cascode limiting IF amplifier and meter circuit
US4039981A (en) Variable impedance circuit
US4024462A (en) Darlington configuration high frequency differential amplifier with zero offset current
US4864248A (en) Amplifier arrangement with controllable gain
US4437070A (en) Amplifier arrangement whose overall gain is controllable by means of a control voltage
JPS6211530B2 (enrdf_load_stackoverflow)
JPS5866129A (ja) 定電流源回路
US3454882A (en) Radio receiver using plural variable gain stages
JPH0145768B2 (enrdf_load_stackoverflow)
JPS6318362B2 (enrdf_load_stackoverflow)
JPS6130448B2 (enrdf_load_stackoverflow)
US3873932A (en) Gain control circuit having variable impedance to determine circuit gain and to control minimum gain
US4145665A (en) Regulating amplifier
JP2881770B2 (ja) Agc回路
JPH0129852Y2 (enrdf_load_stackoverflow)
JPH0527282B2 (enrdf_load_stackoverflow)
JPS5825349Y2 (ja) メ−タ回路のミユ−テング装置
US3530390A (en) Operational amplifier with varactor bridge input circuit
JPS63314904A (ja) 掛算検波器用広帯域増幅回路
JPH0339927Y2 (enrdf_load_stackoverflow)
JPH0451787B2 (enrdf_load_stackoverflow)
JPH08307181A (ja) レベル制御回路
JPS6154288B2 (enrdf_load_stackoverflow)