FI68334C - Foerstaerkningsregleringskoppling - Google Patents

Foerstaerkningsregleringskoppling Download PDF

Info

Publication number
FI68334C
FI68334C FI800475A FI800475A FI68334C FI 68334 C FI68334 C FI 68334C FI 800475 A FI800475 A FI 800475A FI 800475 A FI800475 A FI 800475A FI 68334 C FI68334 C FI 68334C
Authority
FI
Finland
Prior art keywords
amplifier
input
transistors
differential
gain
Prior art date
Application number
FI800475A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI68334B (fi
FI800475A7 (fi
Inventor
Jan Hjalmar Johansson
Bengt Olof Berg
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of FI800475A7 publication Critical patent/FI800475A7/fi
Publication of FI68334B publication Critical patent/FI68334B/sv
Application granted granted Critical
Publication of FI68334C publication Critical patent/FI68334C/sv

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

  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Contacts (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Picture Signal Circuits (AREA)
FI800475A 1979-03-09 1980-02-18 Foerstaerkningsregleringskoppling FI68334C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7902171A SE416694B (sv) 1979-03-09 1979-03-09 Forsterkningsregleringskoppling
SE7902171 1979-03-09

Publications (3)

Publication Number Publication Date
FI800475A7 FI800475A7 (fi) 1980-09-10
FI68334B FI68334B (fi) 1985-04-30
FI68334C true FI68334C (fi) 1985-08-12

Family

ID=20337505

Family Applications (1)

Application Number Title Priority Date Filing Date
FI800475A FI68334C (fi) 1979-03-09 1980-02-18 Foerstaerkningsregleringskoppling

Country Status (8)

Country Link
US (1) US4396891A (en, 2012)
DE (1) DE3036764A1 (en, 2012)
DK (1) DK152470C (en, 2012)
FI (1) FI68334C (en, 2012)
GB (1) GB2067038B (en, 2012)
NO (1) NO149158C (en, 2012)
SE (1) SE416694B (en, 2012)
WO (1) WO1980001975A1 (en, 2012)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57160207A (en) * 1981-03-27 1982-10-02 Pioneer Electronic Corp Voltage-controlled attenuator
US4471311A (en) * 1981-04-10 1984-09-11 Pioneer Electronic Corporation Detector circuit having AGC function
JPS5829208A (ja) * 1981-08-14 1983-02-21 Nippon Gakki Seizo Kk 利得制御増幅器
US4442408A (en) * 1982-05-13 1984-04-10 International Business Machines Corporation Differential amplifier with auto bias adjust
US4910518A (en) * 1987-07-16 1990-03-20 Samsun Semiconductor and Telecommunications Co., Ltd. Comparator unit for a flash analog-to-digital converter
JPH0691390B2 (ja) * 1988-05-02 1994-11-14 株式会社東芝 増幅器
JP3078858B2 (ja) * 1991-03-07 2000-08-21 パイオニア株式会社 Ｖｃａ回路
US5432474A (en) * 1994-04-01 1995-07-11 Honeywell Inc. Fixed and adjustable bandwidth translinear input amplifier
JP3924318B2 (ja) * 1994-10-28 2007-06-06 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 利得制御可能な増幅器、利得制御可能な増幅器からなる受信機、及び信号振幅を制御する方法
JP2000031763A (ja) * 1998-07-14 2000-01-28 Fujitsu Ltd 可変利得回路
US6188282B1 (en) * 1999-10-08 2001-02-13 Ericsson Inc. Differential amplifier with reduced even order non-linearity and associated methods
US6271726B1 (en) * 2000-01-10 2001-08-07 Conexant Systems, Inc. Wideband, variable gain amplifier
GB0210168D0 (en) * 2002-05-03 2002-06-12 Zarlink Semiconductor Ltd Signal processing stage and radio frequency tuner
US7088179B2 (en) * 2003-09-15 2006-08-08 Analog Devices, Inc. Single-ended input, differential output low noise amplifier
US7639082B2 (en) * 2007-07-24 2009-12-29 Texas Instruments Incorporated System and method for amplifier gain measurement and compensation
US9065408B2 (en) * 2013-03-14 2015-06-23 Rgb Systems, Inc. Voltage controlled amplifier and method of using the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3452289A (en) * 1967-02-16 1969-06-24 Motorola Inc Differential amplifier circuits
US3526786A (en) * 1967-09-19 1970-09-01 Honeywell Inc Control apparatus
US3684974A (en) * 1968-01-29 1972-08-15 Motorola Inc Automatic gain control rf-if amplifier
FR2291642A1 (fr) * 1974-11-13 1976-06-11 Cit Alcatel Amplificateur a gains commutables, a reseau de compensation en frequence
JPS5533747Y2 (en, 2012) * 1975-04-14 1980-08-11

Also Published As

Publication number Publication date
DE3036764C2 (en, 2012) 1991-07-04
SE416694B (sv) 1981-01-26
DK475780A (da) 1980-11-07
FI68334B (fi) 1985-04-30
DK152470C (da) 1988-08-29
NO803368L (no) 1980-11-07
WO1980001975A1 (en) 1980-09-18
DK152470B (da) 1988-02-29
US4396891A (en) 1983-08-02
NO149158B (no) 1983-11-14
SE7902171L (sv) 1980-09-10
NO149158C (no) 1984-02-29
DE3036764A1 (en) 1982-02-18
GB2067038B (en) 1983-06-15
FI800475A7 (fi) 1980-09-10
GB2067038A (en) 1981-07-15

Similar Documents

Publication Publication Date Title
FI68334C (fi) Foerstaerkningsregleringskoppling
US4638260A (en) Audio amplifier
US4302726A (en) Current sources
JPH0713803B2 (ja) バッテリフィード集積回路
US3786362A (en) Balanced output operational amplifier
US4321428A (en) Acoustic monolithic power semiconductor integrated circuit and acoustic system using the same
GB2133596A (en) Voltage adder circuit
SE450445B (sv) Integrerad forsterkarkoppling
CA1257724A (en) Telephone circuits
US10742184B2 (en) Plural feedback loops instrumentation folded cascode amplifier
JP2001203544A (ja) 増幅器装置及び増幅方法
GB1570235A (en) Amplifiers
US4607233A (en) Push-pull amplifier circuit with stable class AB operation
US4217555A (en) Amplifier circuit arrangement with stabilized power-supply current
US4536616A (en) Microphone or mouthpiece signal suppression circuit
US4262262A (en) Electric amplifier
US4622441A (en) Two-wire/four wire communication interface with noise rejection
US2844667A (en) Cascade transistor amplifiers
JPS6223950B2 (en, 2012)
US4293824A (en) Linear differential amplifier with unbalanced output
US6747513B1 (en) High fidelity floating bridge amplifier
US5767742A (en) Circuit arrangement comprising a differential amplifier
US5578963A (en) Integrated amplifier with flat gain for high and low impedance loads
US3872391A (en) Balanced line driver
US3551838A (en) Negative impedance repeater

Legal Events

Date Code Title Description
MA Patent expired

Owner name: OY L M ERICSSON AB