DE69020538T2 - Automatische pegelregelung. - Google Patents

Automatische pegelregelung.

Info

Publication number
DE69020538T2
DE69020538T2 DE69020538T DE69020538T DE69020538T2 DE 69020538 T2 DE69020538 T2 DE 69020538T2 DE 69020538 T DE69020538 T DE 69020538T DE 69020538 T DE69020538 T DE 69020538T DE 69020538 T2 DE69020538 T2 DE 69020538T2
Authority
DE
Germany
Prior art keywords
level control
automatic level
automatic
control
level
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
DE69020538T
Other languages
English (en)
Other versions
DE69020538D1 (de
Inventor
Katsushi Sugawa
Katsuhiro Endo
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 Electronics 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
Priority claimed from JP1181659A external-priority patent/JPH0783281B2/ja
Priority claimed from JP1317532A external-priority patent/JPH03179818A/ja
Application filed by Philips Electronics NV filed Critical Philips Electronics NV
Publication of DE69020538D1 publication Critical patent/DE69020538D1/de
Application granted granted Critical
Publication of DE69020538T2 publication Critical patent/DE69020538T2/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
    • H03G3/20—Automatic control
    • 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
    • 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
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
DE69020538T 1989-07-15 1990-07-16 Automatische pegelregelung. Expired - Fee Related DE69020538T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1181659A JPH0783281B2 (ja) 1989-07-15 1989-07-15 Ａｇｃ回路
JP1317532A JPH03179818A (ja) 1989-12-08 1989-12-08 Ａｇｃ制御型通信機およびレベル・コントローラー
PCT/JP1990/000915 WO1991001592A1 (en) 1989-07-15 1990-07-16 Automatic gain control circuit

Publications (2)

Publication Number Publication Date
DE69020538D1 DE69020538D1 (de) 1995-08-03
DE69020538T2 true DE69020538T2 (de) 1996-02-22

Family

ID=26500755

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69020538T Expired - Fee Related DE69020538T2 (de) 1989-07-15 1990-07-16 Automatische pegelregelung.

Country Status (5)

Country Link
US (1) US5263187A (de)
EP (1) EP0451277B1 (de)
KR (1) KR100190731B1 (de)
DE (1) DE69020538T2 (de)
WO (1) WO1991001592A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW263640B (de) * 1992-06-26 1995-11-21 Philips Electronics Nv
US5678211A (en) * 1992-08-28 1997-10-14 Thomson Consumer Electronics, Inc. Television tuning apparatus
DE4332161A1 (de) * 1993-09-22 1995-03-23 Thomson Brandt Gmbh Hochfrequenzempfänger
US5548830A (en) * 1993-12-27 1996-08-20 Ford Motor Company Dual-band frequency-selective attenuator for automatic gain control
JPH08125566A (ja) * 1994-10-20 1996-05-17 Toshiba Corp ヘテロダイン方式受信機
JP3084196B2 (ja) * 1994-12-27 2000-09-04 アイコム株式会社 無線通信機
US5995818A (en) * 1996-07-30 1999-11-30 Trw Inc. Low noise block downconverter
JPH10276125A (ja) * 1997-03-28 1998-10-13 Matsushita Electric Ind Co Ltd 移動無線受信装置
ES2127136B1 (es) * 1997-04-28 1999-12-01 Univ Madrid Politecnica Sistema de control automatico de ganancia de muy bajo consumo.
JP3185741B2 (ja) * 1998-02-24 2001-07-11 日本電気株式会社 無線選択呼出受信機
JP3317927B2 (ja) * 1999-06-15 2002-08-26 エヌイーシーアクセステクニカ株式会社 アンテナ回路
KR100318953B1 (ko) * 1999-12-30 2001-12-29 윤종용 무선 단말기에서 수신 세기의 편차 보상 방법
US7657241B2 (en) * 2002-02-01 2010-02-02 Qualcomm, Incorporated Distortion reduction calibration
US7444132B2 (en) * 2003-04-04 2008-10-28 Nokia Corporation Apparatus, and associated method, for facilitating dynamic filtering of a receive signal
DE102004038089B4 (de) 2004-08-05 2016-02-04 Rohde & Schwarz Gmbh & Co. Kg Reglergestütztes Verfahren und reglergestützte Vorrichtung zur Bestimmung der Kennlinie eines Kompensationsgliedes in einem Pegelkreis

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS596524B2 (ja) * 1974-08-14 1984-02-13 ソニー株式会社 Ｆｍ−ａｍ変換装置
US4267605A (en) * 1979-02-26 1981-05-12 Trio Kabushiki Kaisha Interference eliminator in communication receiver
JPS5941604B2 (ja) * 1979-05-30 1984-10-08 三菱電機株式会社 電子同調式受信装置
JPS561608A (en) * 1979-06-18 1981-01-09 Fujitsu Ltd Multistep agc control system for automatic equalizer
JPS578231A (en) * 1980-06-18 1982-01-16 Matsushita Electric Ind Co Ltd Flame-retarded 1,4-polybutadiene casting resin material
JPS5778231A (en) * 1980-11-04 1982-05-15 Hitachi Ltd Automatic gain control device
JPS5956827U (ja) * 1982-06-17 1984-04-13 パイオニア株式会社 Ｉｆフイルタａｇｃ回路
US4918532A (en) * 1987-03-18 1990-04-17 Connor Edward O FM receiver method and system for weak microwave television signals
US5060297A (en) * 1988-04-04 1991-10-22 Ma John Y TVRO receiver system with tracking filter for rejection of image frequencies
JPH02186723A (ja) * 1988-08-25 1990-07-23 Nec Corp 受信機

Also Published As

Publication number Publication date
KR920702081A (ko) 1992-08-12
EP0451277A1 (de) 1991-10-16
US5263187A (en) 1993-11-16
DE69020538D1 (de) 1995-08-03
EP0451277A4 (en) 1992-08-05
KR100190731B1 (ko) 1999-06-01
WO1991001592A1 (en) 1991-02-07
EP0451277B1 (de) 1995-06-28

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

8339 Ceased/non-payment of the annual fee