SG46721A1 - Circuit for a controllable amplifier - Google Patents

Circuit for a controllable amplifier

Info

Publication number
SG46721A1
SG46721A1 SG1996009323A SG1996009323A SG46721A1 SG 46721 A1 SG46721 A1 SG 46721A1 SG 1996009323 A SG1996009323 A SG 1996009323A SG 1996009323 A SG1996009323 A SG 1996009323A SG 46721 A1 SG46721 A1 SG 46721A1
Authority
SG
Singapore
Prior art keywords
control
controllable amplifier
regulation
circuit
individual
Prior art date
Application number
SG1996009323A
Other languages
English (en)
Inventor
Martin Rieger
Original Assignee
Thomson Brandt Gmbh
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6430329&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SG46721(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of SG46721A1 publication Critical patent/SG46721A1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
    • H03F3/45098—PI types
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
    • H03G7/08—Volume compression or expansion in amplifiers having semiconductor devices incorporating negative feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45048—Calibrating and standardising a dif amp
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45051—Two or more differential amplifiers cascade coupled
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45466—Indexing scheme relating to differential amplifiers the CSC being controlled, e.g. by a signal derived from a non specified place in the dif amp circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45471—Indexing scheme relating to differential amplifiers the CSC comprising one or more extra current sources
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45506—Indexing scheme relating to differential amplifiers the CSC comprising only one switch

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Networks Using Active Elements (AREA)
  • Microwave Amplifiers (AREA)
SG1996009323A 1991-04-25 1992-04-25 Circuit for a controllable amplifier SG46721A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4113498A DE4113498C1 (zh) 1991-04-25 1991-04-25

Publications (1)

Publication Number Publication Date
SG46721A1 true SG46721A1 (en) 1998-02-20

Family

ID=6430329

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996009323A SG46721A1 (en) 1991-04-25 1992-04-25 Circuit for a controllable amplifier

Country Status (13)

Country Link
US (1) US5389893A (zh)
EP (2) EP0510704A1 (zh)
CN (1) CN1028395C (zh)
AT (1) ATE170027T1 (zh)
DE (2) DE4113498C1 (zh)
ES (1) ES2121853T7 (zh)
HU (1) HU218637B (zh)
MX (1) MX9201939A (zh)
MY (1) MY110046A (zh)
SG (1) SG46721A1 (zh)
TR (1) TR25846A (zh)
WO (1) WO1992020148A1 (zh)
ZA (1) ZA922984B (zh)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4329896A1 (de) * 1993-09-04 1995-03-09 Thomson Brandt Gmbh Verstärkerstufe mit einer dB-linearen Ausgangsspannung
AU5172496A (en) * 1995-03-01 1996-09-18 Lattice Semiconductor Corporation Cmos programmable resistor-based transconductor
US5574678A (en) * 1995-03-01 1996-11-12 Lattice Semiconductor Corp. Continuous time programmable analog block architecture
EP0759226A1 (en) * 1995-03-01 1997-02-26 Lattice Semiconductor Corporation Active resistor for stability compensation
FI97656C (fi) * 1995-04-05 1997-01-27 Nokia Telecommunications Oy Linearisointikytkentä
EP0846369A1 (en) * 1996-06-21 1998-06-10 Koninklijke Philips Electronics N.V. Variable-gain amplifier with pseudo-logarithmic gain control
FI106413B (fi) * 1996-07-11 2001-01-31 Nokia Mobile Phones Ltd Lineaarisen tehovahvistimen tehonsäätöpiiri
FR2765750A1 (fr) * 1997-07-02 1999-01-08 Trt Lucent Technologies Dispositif de reception pour signaux hyperfrequence
US6084472A (en) * 1997-12-15 2000-07-04 Analog Devices, Inc. Multi-tanh triplet with optimal biasing
US6084471A (en) * 1997-12-19 2000-07-04 Nokia Mobile Phones Soft-limiting control circuit for variable gain amplifiers
US6316997B1 (en) * 2000-03-23 2001-11-13 International Business Machines Corporation CMOS amplifiers with multiple gain setting control
US6333672B1 (en) * 2000-10-02 2001-12-25 Semiconductor Components Industries Llc Differential logic circuit and method of use
US7265623B2 (en) * 2004-08-03 2007-09-04 Scintera Networks, Inc. Differential amplifier having independently tunable base gain, peak gain and boost frequency, and uses of same
CN104617899A (zh) * 2015-03-06 2015-05-13 上海新微技术研发中心有限公司 差分放大器和电子设备
RU2658818C1 (ru) * 2017-05-05 2018-06-22 федеральное государственное бюджетное образовательное учреждение высшего образования "Донской государственный технический университет" (ДГТУ) Дифференциальный преобразователь "напряжение-ток" с широким диапазоном линейной работы

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4429416A (en) * 1982-03-26 1984-01-31 National Semiconductor Corporation Multistage cascade/cascode limiting IF amplifier and meter circuit
GB2135847A (en) * 1983-02-14 1984-09-05 Philips Electronic Associated Amplifier arrangement
DE3522416A1 (de) * 1985-06-22 1987-01-02 Standard Elektrik Lorenz Ag Regelbare breitbandverstaerkerschaltung
US4833422A (en) * 1987-09-24 1989-05-23 Burr-Brown Corporation Programmable gain instrumentation amplifier
US4835488A (en) * 1988-01-13 1989-05-30 Tektronix, Inc. Wideband linearized emitter feedback amplifier
USH965H (en) * 1990-01-26 1991-09-03 American Telephone And Telegraph Company Differential amplifier with digitally controlled gain
US5313172A (en) * 1992-12-11 1994-05-17 Rockwell International Corporation Digitally switched gain amplifier for digitally controlled automatic gain control amplifier applications

Also Published As

Publication number Publication date
US5389893A (en) 1995-02-14
TR25846A (tr) 1993-09-01
CN1028395C (zh) 1995-05-10
HU218637B (hu) 2000-10-28
ES2121853T3 (es) 1998-12-16
HUT66223A (en) 1994-10-28
CN1067535A (zh) 1992-12-30
ZA922984B (en) 1993-01-27
MX9201939A (es) 1992-11-01
ATE170027T1 (de) 1998-09-15
DE4113498C1 (zh) 1992-04-30
WO1992020148A1 (de) 1992-11-12
EP0510704A1 (de) 1992-10-28
MY110046A (en) 1997-12-31
EP0581835B3 (de) 2008-12-03
EP0581835B1 (de) 1998-08-19
DE59209467D1 (de) 1998-09-24
HU9302723D0 (en) 1993-12-28
EP0581835A1 (de) 1994-02-09
ES2121853T7 (es) 2009-06-18

Similar Documents

Publication Publication Date Title
ZA922984B (en) Circuit for a controllable amplifier
GB1310377A (en) Telephone set speech networks
EP0818880A3 (en) Gain control circuit for a linear power amplifier
US4290025A (en) Amplifier arrangement with variable gain factor
JPH0145767B2 (zh)
US4581487A (en) Universal DC feed for telephone line and trunk circuits
ES8200801A1 (es) Una disposicion de circuito amplificador diferencial de ga- nancia variable
EP0102946B1 (en) Gain regulation circuit
GB554214A (en) Electric wave amplifiers of the negative feedback type
US5578963A (en) Integrated amplifier with flat gain for high and low impedance loads
CN217563534U (zh) 一种仪表放大器的隔离反馈电路
JPS5646314A (en) Equalizing amplifier
JPS6097709A (ja) 前置増幅器
JPS568912A (en) Gain control circuit
JPS56104507A (en) Amplifier
JPS5630308A (en) Voltage control variable attenuator
JPS5656015A (en) Electric power amplifier
CN118041297A (zh) 一种多反馈通路的连续时间线性均衡器电路
US20030128054A1 (en) Comparator circuit for comparing two electric voltages
CN85102113B (zh) 具有线电压稳定器的音频传输电路
JPH01179510A (ja) 電子ボリューム回路
GB767061A (en) Improvements in or relating to multi-stage variable-gain thermionic amplifiers
JPS5696514A (en) Amplifying circuit with variable gain
JPS5797212A (en) Gain control circuit
JPS5619214A (en) Agc circuit