DE69332021T2 - Automatische verstärkungsregulierung für einen empfänger - Google Patents

Automatische verstärkungsregulierung für einen empfänger

Info

Publication number
DE69332021T2
DE69332021T2 DE69332021T DE69332021T DE69332021T2 DE 69332021 T2 DE69332021 T2 DE 69332021T2 DE 69332021 T DE69332021 T DE 69332021T DE 69332021 T DE69332021 T DE 69332021T DE 69332021 T2 DE69332021 T2 DE 69332021T2
Authority
DE
Germany
Prior art keywords
receiver
automatic gain
gain regulation
regulation
automatic
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
DE69332021T
Other languages
English (en)
Other versions
DE69332021D1 (de
Inventor
P Heck
Enrique Ferrer
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE69332021D1 publication Critical patent/DE69332021D1/de
Publication of DE69332021T2 publication Critical patent/DE69332021T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3052Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3068Circuits generating control signals for both R.F. and I.F. stages
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/109Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input
DE69332021T 1992-06-08 1993-05-24 Automatische verstärkungsregulierung für einen empfänger Expired - Fee Related DE69332021T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89530992A 1992-06-08 1992-06-08
PCT/US1993/004870 WO1993026094A1 (en) 1992-06-08 1993-05-24 Receiver automatic gain control

Publications (2)

Publication Number Publication Date
DE69332021D1 DE69332021D1 (de) 2002-07-18
DE69332021T2 true DE69332021T2 (de) 2003-01-16

Family

ID=25404314

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69332021T Expired - Fee Related DE69332021T2 (de) 1992-06-08 1993-05-24 Automatische verstärkungsregulierung für einen empfänger

Country Status (6)

Country Link
US (1) US5483691A (de)
EP (1) EP0645063B1 (de)
JP (1) JP3174340B2 (de)
KR (2) KR970007983B1 (de)
DE (1) DE69332021T2 (de)
WO (1) WO1993026094A1 (de)

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US6748200B1 (en) * 2000-10-02 2004-06-08 Mark A. Webster Automatic gain control system and method for a ZIF architecture
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US7454453B2 (en) * 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US7010559B2 (en) * 2000-11-14 2006-03-07 Parkervision, Inc. Method and apparatus for a parallel correlator and applications thereof
US7076225B2 (en) * 2001-02-16 2006-07-11 Qualcomm Incorporated Variable gain selection in direct conversion receiver
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US6707865B2 (en) * 2001-07-16 2004-03-16 Qualcomm Incorporated Digital voltage gain amplifier for zero IF architecture
US7072427B2 (en) * 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7657241B2 (en) 2002-02-01 2010-02-02 Qualcomm, Incorporated Distortion reduction calibration
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Also Published As

Publication number Publication date
JPH07507667A (ja) 1995-08-24
EP0645063A4 (de) 1995-12-06
JP3174340B2 (ja) 2001-06-11
EP0645063A1 (de) 1995-03-29
WO1993026094A1 (en) 1993-12-23
KR950701472A (ko) 1995-03-23
DE69332021D1 (de) 2002-07-18
EP0645063B1 (de) 2002-06-12
KR970007983B1 (ko) 1997-05-19
US5483691A (en) 1996-01-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee