NL7117199A - - Google Patents

Info

Publication number
NL7117199A
NL7117199A NL7117199A NL7117199A NL7117199A NL 7117199 A NL7117199 A NL 7117199A NL 7117199 A NL7117199 A NL 7117199A NL 7117199 A NL7117199 A NL 7117199A NL 7117199 A NL7117199 A NL 7117199A
Authority
NL
Netherlands
Application number
NL7117199A
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 filed Critical
Publication of NL7117199A publication Critical patent/NL7117199A/xx

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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • H03G3/3015—Automatic 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
    • 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
    • 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
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
    • 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
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3063—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver using at least one transistor as controlling device, the transistor being used as a variable impedance device

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
  • Television Receiver Circuits (AREA)
NL7117199A 1970-12-15 1971-12-15 NL7117199A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9827970A 1970-12-15 1970-12-15

Publications (1)

Publication Number Publication Date
NL7117199A true NL7117199A (en:Method) 1972-06-19

Family

ID=22268598

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7117199A NL7117199A (en:Method) 1970-12-15 1971-12-15

Country Status (3)

Country Link
US (1) US3641450A (en:Method)
JP (1) JPS5213703B1 (en:Method)
NL (1) NL7117199A (en:Method)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5329082Y2 (en:Method) * 1973-08-08 1978-07-21
US3838210A (en) * 1973-10-01 1974-09-24 Gen Electric Automatic gain control system and amplifier of controllable gain
US3962650A (en) * 1973-11-21 1976-06-08 Motorola, Inc. Integrated circuit amplifier having controlled gain and stable quiescent output voltage level
JPS6013327B2 (ja) * 1975-05-07 1985-04-06 日本電気株式会社 直流制御型出力レベル調整回路
USRE30572E (en) * 1976-05-27 1981-04-07 Rca Corporation Low distortion signal amplifier arrangement
US4081758A (en) * 1976-05-27 1978-03-28 Rca Corporation Low distortion signal amplifier arrangement
JPS5320844A (en) * 1976-08-11 1978-02-25 Hitachi Ltd Gain control circuit
US4155047A (en) * 1978-01-11 1979-05-15 Baskind David Lee Voltage controlled attenuator
US4345214A (en) * 1980-04-23 1982-08-17 Rca Corporation Variable emitter degeneration gain-controlled amplifier
US4344044A (en) * 1980-04-23 1982-08-10 Rca Corporation Gain-controlled amplifier utilizing variable emitter degeneration and collector load impedance
US4344043A (en) * 1980-04-23 1982-08-10 Rca Corporation Variable load impedance gain-controlled amplifier
US4366443A (en) * 1980-06-26 1982-12-28 Rca Corporation Television intermediate frequency amplifier
US4329713A (en) * 1980-06-26 1982-05-11 Rca Corporation Television automatic gain control system
US4413235A (en) * 1981-02-23 1983-11-01 Motorola, Inc. Low temperature coefficient logarithmic electronic gain controlled amplifier
JPS592410A (ja) * 1982-06-28 1984-01-09 Sony Corp 電流増幅器
EP0205539A1 (en) * 1984-12-29 1986-12-30 Licencia Talalmanyokat Ertekesito Es Innovacios Külkereskedelmi Vallalat Active circuit element
US5880631A (en) * 1996-02-28 1999-03-09 Qualcomm Incorporated High dynamic range variable gain amplifier
CA2274529C (en) * 1997-01-27 2004-07-27 Qualcomm Incorporated High dynamic range variable gain amplifier
US6882185B1 (en) 1998-07-02 2005-04-19 Qualcomm, Incorporated Exponential current generator and method
US6684065B2 (en) 1999-12-20 2004-01-27 Broadcom Corporation Variable gain amplifier for low voltage applications
US6411132B2 (en) * 1999-12-30 2002-06-25 Intel Corporation Matched current differential amplifier
ATE315284T1 (de) * 2000-02-15 2006-02-15 Broadcom Corp Verstärker mit variabler transkonduktanz und variabler verstärkung unter verwendung einer degenerierten differenzanordnung
US6509796B2 (en) * 2000-02-15 2003-01-21 Broadcom Corporation Variable transconductance variable gain amplifier utilizing a degenerated differential pair
ATE388517T1 (de) * 2000-02-24 2008-03-15 Nxp Bv Differentiell angeordnetes transistorpaar mit mitteln zur degeneration der transkonduktanz
EP1128546A1 (en) * 2000-02-28 2001-08-29 Deutsche Thomson-Brandt Gmbh Upconverter mixer circuit
US6864723B2 (en) 2000-09-27 2005-03-08 Broadcom Corporation High-swing transconductance amplifier
US6741121B2 (en) * 2002-08-27 2004-05-25 Micron Technology, Inc. Differential amplifier common mode noise compensation
US6731150B2 (en) 2002-08-28 2004-05-04 Micron Technology, Inc. Amplifiers with variable swing control
US6693485B1 (en) * 2002-08-29 2004-02-17 Micron Technology, Inc. Differential amplifiers with increased input ranges
JP2004304775A (ja) * 2003-03-19 2004-10-28 Sanyo Electric Co Ltd 可変インピーダンス回路、可変利得型差動増幅器、乗算器、高周波回路および差動分布型増幅器
JP4054716B2 (ja) * 2003-05-16 2008-03-05 沖電気工業株式会社 可変ゲインアンプ及びａｍ変調信号受信回路及び検波回路
JP2005151460A (ja) * 2003-11-19 2005-06-09 Toyota Industries Corp Ａｍ中間周波可変利得増幅回路、可変利得増幅回路及びその半導体集積回路
US7218174B2 (en) * 2005-02-14 2007-05-15 Semiconductor Components Industries, L.L.C. Delay circuit and method therefor
GB2434494B (en) * 2006-01-24 2008-02-06 Toumaz Technology Ltd Low noise amplifier
KR101787761B1 (ko) * 2011-08-09 2017-10-18 삼성전자주식회사 Ｒｆ 증폭기
US9350308B2 (en) * 2014-06-04 2016-05-24 Analog Devices Global Gain boosted differential transconductance amplifier

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573491A (en) * 1967-08-28 1971-04-06 Ibm Video logarithmic amplifier
US3564439A (en) * 1969-05-21 1971-02-16 Bell Telephone Labor Inc Differential amplifier

Also Published As

Publication number Publication date
JPS5213703B1 (en:Method) 1977-04-16
US3641450A (en) 1972-02-08

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