JPS5696514A - Amplifying circuit with variable gain - Google Patents

Amplifying circuit with variable gain

Info

Publication number
JPS5696514A
JPS5696514A JP17081679A JP17081679A JPS5696514A JP S5696514 A JPS5696514 A JP S5696514A JP 17081679 A JP17081679 A JP 17081679A JP 17081679 A JP17081679 A JP 17081679A JP S5696514 A JPS5696514 A JP S5696514A
Authority
JP
Japan
Prior art keywords
voltage
circuit
current
amplifiers
conversion circuit
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
JP17081679A
Other languages
English (en)
Japanese (ja)
Other versions
JPS641973B2 (enrdf_load_stackoverflow
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.)
Nippon Gakki Co Ltd
Original Assignee
Nippon Gakki 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 Gakki Co Ltd filed Critical Nippon Gakki Co Ltd
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 true JPS5696514A (en) 1981-08-04
JPS641973B2 JPS641973B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Citations (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

Patent Citations (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
JPS641973B2 (enrdf_load_stackoverflow) 1989-01-13

Similar Documents

Publication Publication Date Title
EP0058448A1 (en) Transconductance amplifier
US3304513A (en) Differential direct-current amplifier
JPS6472605A (en) Feedback amplifier
ES8200801A1 (es) Una disposicion de circuito amplificador diferencial de ga- nancia variable
JPS54147761A (en) Gain control unit
JPS6450604A (en) High gain amplifier using two current mirrors
JPS5696514A (en) Amplifying circuit with variable gain
JPS5592006A (en) Amplifier
JPS57166670A (en) Division circuit
US4502018A (en) Gain regulation circuit for an amplifier circuit
US4038566A (en) Multiplier circuit
KR940000262B1 (ko) 주신호통로와 하이패스필터특성의 보조적인 신호통로를 가지는 노이즈 감소회로
JPS55115708A (en) Push pull amplifier
JPS55133115A (en) Variable gain amplifying circuit
JPS568912A (en) Gain control circuit
JPS5728407A (en) Amplifying circuit
JPS5750115A (en) Gain control circuit
JPS5599812A (en) Broad band balanced amplifier having gain selection function
GB1084349A (enrdf_load_stackoverflow)
SU416821A1 (enrdf_load_stackoverflow)
SU746568A1 (ru) Операционный усилитель
JPS5478956A (en) Amplified output circuit
SU657585A1 (ru) Дифференциальный усилитель
JPS5599811A (en) Broad band balanced amplifier having gain selection function
JPS56726A (en) Intermediate frequency amplifier of am/fm