JPS641973B2 - - Google Patents

Info

Publication number
JPS641973B2
JPS641973B2 JP17081679A JP17081679A JPS641973B2 JP S641973 B2 JPS641973 B2 JP S641973B2 JP 17081679 A JP17081679 A JP 17081679A JP 17081679 A JP17081679 A JP 17081679A JP S641973 B2 JPS641973 B2 JP S641973B2
Authority
JP
Japan
Prior art keywords
transistor
circuit
current
voltage
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
JP17081679A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5696514A (en
Inventor
Kenji Yokoyama
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.)
Yamaha Corp
Original Assignee
Yamaha 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 Yamaha Corp filed Critical Yamaha Corp
Priority to JP17081679A priority Critical patent/JPS5696514A/ja
Priority to US06/133,990 priority patent/US4331929A/en
Priority to DE19803012965 priority patent/DE3012965A1/de
Publication of JPS5696514A publication Critical patent/JPS5696514A/ja
Publication of JPS641973B2 publication Critical patent/JPS641973B2/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
    • H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements
    • H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid-state elements in emitter-coupled or cascode amplifiers

Landscapes

  • Control Of Amplification And Gain Control (AREA)
JP17081679A 1979-04-04 1979-12-29 Amplifying circuit with variable gain Granted JPS5696514A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP17081679A JPS5696514A (en) 1979-12-29 1979-12-29 Amplifying circuit with variable gain
US06/133,990 US4331929A (en) 1979-04-04 1980-03-26 Gain-controlled amplifier
DE19803012965 DE3012965A1 (de) 1979-04-04 1980-04-02 Verstaerkungsgeregelter verstaerker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17081679A JPS5696514A (en) 1979-12-29 1979-12-29 Amplifying circuit with variable gain

Publications (2)

Publication Number Publication Date
JPS5696514A JPS5696514A (en) 1981-08-04
JPS641973B2 true JPS641973B2 (en)van) 1989-01-13

Family

ID=15911858

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17081679A Granted JPS5696514A (en) 1979-04-04 1979-12-29 Amplifying circuit with variable gain

Country Status (1)

Country Link
JP (1) JPS5696514A (en)van)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51108749A (ja) * 1975-03-20 1976-09-27 Tokyo Shibaura Electric Co Denatsuseigyokahenritokukairo

Also Published As

Publication number Publication date
JPS5696514A (en) 1981-08-04

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