JPH037161B2 - - Google Patents

Info

Publication number
JPH037161B2
JPH037161B2 JP56127543A JP12754381A JPH037161B2 JP H037161 B2 JPH037161 B2 JP H037161B2 JP 56127543 A JP56127543 A JP 56127543A JP 12754381 A JP12754381 A JP 12754381A JP H037161 B2 JPH037161 B2 JP H037161B2
Authority
JP
Japan
Prior art keywords
transistor
transistors
signal
feedback
voltage
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 - Lifetime
Application number
JP56127543A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5829208A (ja
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 JP56127543A priority Critical patent/JPS5829208A/ja
Priority to US06/408,130 priority patent/US4451798A/en
Publication of JPS5829208A publication Critical patent/JPS5829208A/ja
Publication of JPH037161B2 publication Critical patent/JPH037161B2/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 of the amplifier
    • 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 of the amplifier in emitter-coupled or cascode amplifiers

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
JP56127543A 1981-08-14 1981-08-14 利得制御増幅器 Granted JPS5829208A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56127543A JPS5829208A (ja) 1981-08-14 1981-08-14 利得制御増幅器
US06/408,130 US4451798A (en) 1981-08-14 1982-08-13 Gain-controlled amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56127543A JPS5829208A (ja) 1981-08-14 1981-08-14 利得制御増幅器

Publications (2)

Publication Number Publication Date
JPS5829208A JPS5829208A (ja) 1983-02-21
JPH037161B2 true JPH037161B2 (US20100223739A1-20100909-C00005.png) 1991-01-31

Family

ID=14962603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56127543A Granted JPS5829208A (ja) 1981-08-14 1981-08-14 利得制御増幅器

Country Status (2)

Country Link
US (1) US4451798A (US20100223739A1-20100909-C00005.png)
JP (1) JPS5829208A (US20100223739A1-20100909-C00005.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5528197A (en) * 1995-06-06 1996-06-18 Analog Devices, Inc. Voltage controlled amplifier
FR2798235B1 (fr) * 1999-09-03 2002-05-17 St Microelectronics Sa Dispositif amplificateur de puissance a gain controle, en particulier pour des circuits radiofrequence appliques a la telephonie mobile cellulaire
TW200505157A (en) * 2003-07-21 2005-02-01 Realtek Semiconductor Corp Linear-in-decibel variable gain amplifier

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5599812A (en) * 1979-01-25 1980-07-30 Iwatsu Electric Co Ltd Broad band balanced amplifier having gain selection function
JPS55133115A (en) * 1979-04-04 1980-10-16 Nippon Gakki Seizo Kk Variable gain amplifying circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE416694B (sv) * 1979-03-09 1981-01-26 Ericsson Telefon Ab L M Forsterkningsregleringskoppling

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5599812A (en) * 1979-01-25 1980-07-30 Iwatsu Electric Co Ltd Broad band balanced amplifier having gain selection function
JPS55133115A (en) * 1979-04-04 1980-10-16 Nippon Gakki Seizo Kk Variable gain amplifying circuit

Also Published As

Publication number Publication date
US4451798A (en) 1984-05-29
JPS5829208A (ja) 1983-02-21

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