DE3781120T2 - Automatische verstaerkungsregelung einer verstaerkerschaltung. - Google Patents

Automatische verstaerkungsregelung einer verstaerkerschaltung.

Info

Publication number
DE3781120T2
DE3781120T2 DE8787202234T DE3781120T DE3781120T2 DE 3781120 T2 DE3781120 T2 DE 3781120T2 DE 8787202234 T DE8787202234 T DE 8787202234T DE 3781120 T DE3781120 T DE 3781120T DE 3781120 T2 DE3781120 T2 DE 3781120T2
Authority
DE
Germany
Prior art keywords
amplifier circuit
gain control
automatic gain
automatic
amplifier
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 - Fee Related
Application number
DE8787202234T
Other languages
English (en)
Other versions
DE3781120D1 (de
Inventor
Alain Societe Civile S P Guery
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE3781120D1 publication Critical patent/DE3781120D1/de
Application granted granted Critical
Publication of DE3781120T2 publication Critical patent/DE3781120T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/04—Modifications of control circuit to reduce distortion caused by control
DE8787202234T 1986-11-18 1987-11-16 Automatische verstaerkungsregelung einer verstaerkerschaltung. Expired - Fee Related DE3781120T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8615994A FR2606953A1 (fr) 1986-11-18 1986-11-18 Circuit d'amplification a gain variable et son application a un dispositif de controle automatique de gain

Publications (2)

Publication Number Publication Date
DE3781120D1 DE3781120D1 (de) 1992-09-17
DE3781120T2 true DE3781120T2 (de) 1993-03-11

Family

ID=9340906

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787202234T Expired - Fee Related DE3781120T2 (de) 1986-11-18 1987-11-16 Automatische verstaerkungsregelung einer verstaerkerschaltung.

Country Status (5)

Country Link
US (1) US4797632A (de)
EP (1) EP0271938B1 (de)
JP (1) JP2591760B2 (de)
DE (1) DE3781120T2 (de)
FR (1) FR2606953A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08501197A (ja) * 1993-03-26 1996-02-06 クァルコム・インコーポレーテッド 電力増幅器バイアス制御回路および方法
FI96073C (fi) * 1994-03-31 1996-04-25 Ahlstroem Oy Elektroninen suodin
US5872481A (en) * 1995-12-27 1999-02-16 Qualcomm Incorporated Efficient parallel-stage power amplifier
US5974041A (en) * 1995-12-27 1999-10-26 Qualcomm Incorporated Efficient parallel-stage power amplifier
US6069525A (en) * 1997-04-17 2000-05-30 Qualcomm Incorporated Dual-mode amplifier with high efficiency and high linearity
US6069526A (en) * 1998-08-04 2000-05-30 Qualcomm Incorporated Partial or complete amplifier bypass
GB0030694D0 (en) * 2000-12-15 2001-01-31 Nokia Mobile Phones Ltd An electronic circuit supplied with power via current generator means
US6760381B2 (en) 2001-01-05 2004-07-06 Centillium Communications Inc. High-voltage differential driver using stacked low-breakdown transistors and nested-miller compensation
US6766153B2 (en) 2001-04-02 2004-07-20 Itran Communications Ltd. Dynamic automatic gain control circuit employing kalman filtering
EP2377538A1 (de) * 2008-12-17 2011-10-19 Medrx Co., Ltd. W?ssrige orale zubereitung von stabilem amlodipin
US8536950B2 (en) * 2009-08-03 2013-09-17 Qualcomm Incorporated Multi-stage impedance matching
US8102205B2 (en) 2009-08-04 2012-01-24 Qualcomm, Incorporated Amplifier module with multiple operating modes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3469195A (en) * 1965-11-29 1969-09-23 Rca Corp Detector and agc circuit stabilization responsive to power supply changes
US3535647A (en) * 1966-12-28 1970-10-20 Hitachi Ltd Transistor a.c. amplifier circuit
JPS5422512U (de) * 1977-07-15 1979-02-14
JPS58135121U (ja) * 1982-03-05 1983-09-10 パイオニア株式会社 レベルシフト回路
US4590613A (en) * 1983-12-23 1986-05-20 Rca Corporation Bipolar AGC with RF transistor DC bias point stabilization
JPS6199405A (ja) * 1984-10-19 1986-05-17 Sanyo Electric Co Ltd Ｄｃオフセツト電圧補正回路

Also Published As

Publication number Publication date
DE3781120D1 (de) 1992-09-17
JP2591760B2 (ja) 1997-03-19
EP0271938A1 (de) 1988-06-22
EP0271938B1 (de) 1992-08-12
FR2606953A1 (fr) 1988-05-20
JPS63136807A (ja) 1988-06-09
US4797632A (en) 1989-01-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee