JPS5269258A - Variable gain amplifier - Google Patents

Variable gain amplifier

Info

Publication number
JPS5269258A
JPS5269258A JP51138242A JP13824276A JPS5269258A JP S5269258 A JPS5269258 A JP S5269258A JP 51138242 A JP51138242 A JP 51138242A JP 13824276 A JP13824276 A JP 13824276A JP S5269258 A JPS5269258 A JP S5269258A
Authority
JP
Japan
Prior art keywords
variable gain
gain amplifier
amplifier
variable
gain
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
JP51138242A
Other languages
English (en)
Other versions
JPS575365B2 (ja
Inventor
Emu Funjingaa Dan
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.)
Hewlett Packard Japan Inc
Original Assignee
Yokogawa Hewlett Packard 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 Yokogawa Hewlett Packard Ltd filed Critical Yokogawa Hewlett Packard Ltd
Publication of JPS5269258A publication Critical patent/JPS5269258A/ja
Publication of JPS575365B2 publication Critical patent/JPS575365B2/ja
Granted legal-status Critical Current

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
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
JP51138242A 1975-12-05 1976-11-17 Variable gain amplifier Granted JPS5269258A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/637,910 US4017804A (en) 1975-12-05 1975-12-05 Broad band variable gain amplifier

Publications (2)

Publication Number Publication Date
JPS5269258A true JPS5269258A (en) 1977-06-08
JPS575365B2 JPS575365B2 (ja) 1982-01-30

Family

ID=24557857

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51138242A Granted JPS5269258A (en) 1975-12-05 1976-11-17 Variable gain amplifier

Country Status (3)

Country Link
US (1) US4017804A (ja)
JP (1) JPS5269258A (ja)
DE (1) DE2648080C3 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5718558A (en) * 1980-07-09 1982-01-30 Hitachi Ltd Rack type emergency brake gear for car
DE3329663A1 (de) * 1983-08-17 1985-03-07 Telefunken electronic GmbH, 7100 Heilbronn Mehrstufiges signaluebertragungssystem
JPH0626291B2 (ja) * 1985-03-15 1994-04-06 株式会社東芝 利得制御装置
DE3811947A1 (de) * 1988-04-11 1989-10-19 Telefunken Electronic Gmbh Steuerbare verstaerkerschaltung
FR2765750A1 (fr) * 1997-07-02 1999-01-08 Trt Lucent Technologies Dispositif de reception pour signaux hyperfrequence
US5999053A (en) * 1998-07-02 1999-12-07 Philips Electronics North America Corporation Current steering variable gain amplifier with linearizer
US6028478A (en) * 1998-07-13 2000-02-22 Philips Electronics North America Corporation Converter circuit and variable gain amplifier with temperature compensation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891937A (en) * 1972-12-21 1975-06-24 Philips Corp Circuit arrangement for electronic gain/control, in particular electronic volume control circuit

Also Published As

Publication number Publication date
DE2648080C3 (de) 1980-04-30
DE2648080B2 (de) 1979-08-23
US4017804A (en) 1977-04-12
DE2648080A1 (de) 1977-06-08
JPS575365B2 (ja) 1982-01-30

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