DE69416345D1 - Automatische Frequenzabstimmung mit Signalstärkemessungen mit geteiltem Band - Google Patents

Automatische Frequenzabstimmung mit Signalstärkemessungen mit geteiltem Band

Info

Publication number
DE69416345D1
DE69416345D1 DE69416345T DE69416345T DE69416345D1 DE 69416345 D1 DE69416345 D1 DE 69416345D1 DE 69416345 T DE69416345 T DE 69416345T DE 69416345 T DE69416345 T DE 69416345T DE 69416345 D1 DE69416345 D1 DE 69416345D1
Authority
DE
Germany
Prior art keywords
signal strength
band signal
automatic frequency
frequency tuning
strength measurements
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 - Lifetime
Application number
DE69416345T
Other languages
English (en)
Inventor
Carl G Scarpa
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE69416345D1 publication Critical patent/DE69416345D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes
    • H03J7/10—Modification of automatic frequency control sensitivity or linearising automatic frequency control operation
DE69416345T 1993-06-28 1994-06-24 Automatische Frequenzabstimmung mit Signalstärkemessungen mit geteiltem Band Expired - Lifetime DE69416345D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8363093A 1993-06-28 1993-06-28

Publications (1)

Publication Number Publication Date
DE69416345D1 true DE69416345D1 (de) 1999-03-18

Family

ID=22179649

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69416345T Expired - Lifetime DE69416345D1 (de) 1993-06-28 1994-06-24 Automatische Frequenzabstimmung mit Signalstärkemessungen mit geteiltem Band

Country Status (4)

Country Link
US (1) US5487186A (de)
EP (1) EP0631387B1 (de)
JP (1) JPH07147529A (de)
DE (1) DE69416345D1 (de)

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US7221917B2 (en) * 2002-05-01 2007-05-22 Ibiquity Digital Corporation Adjacent channel interference mitigation for FM digital audio broadcasting receivers
JP4316198B2 (ja) * 2002-07-24 2009-08-19 富士通マイクロエレクトロニクス株式会社 半導体装置、受信機及び半導体装置の制御方法
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FR2853487A1 (fr) * 2003-04-01 2004-10-08 St Microelectronics Sa Composant electronique permettant le decodage de signaux de television numerique par satellite
FR2853486B1 (fr) * 2003-04-03 2005-08-05 St Microelectronics Sa Composant electronique permettant le decodage de signaux de television numerique ou par cable
FR2853796B1 (fr) 2003-04-11 2005-07-01 St Microelectronics Sa Composant electronique permettant le decodage de signaux de television numerique terrestre ou par cable.
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JP4173171B2 (ja) * 2006-06-13 2008-10-29 富士通テン株式会社 ラジオ受信機及び搬送波検出方法
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JP5020760B2 (ja) * 2007-09-27 2012-09-05 ラピスセミコンダクタ株式会社 受信周波数制御回路
JP5585186B2 (ja) * 2010-04-28 2014-09-10 アイコム株式会社 周波数制御回路及び周波数制御方法、受信機及び受信方法
US8432498B2 (en) * 2010-10-20 2013-04-30 Stmicroelectronics Asia Pacific Pte Ltd. Automatic frequency selection for peaking
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CN112485520B (zh) * 2020-12-03 2024-03-22 成都市精准时空科技有限公司 基于电压采样的绝对频差测量方法及系统及装置及介质

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Also Published As

Publication number Publication date
EP0631387B1 (de) 1999-02-03
EP0631387A1 (de) 1994-12-28
US5487186A (en) 1996-01-23
JPH07147529A (ja) 1995-06-06

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