DE69714239D1 - Automatische frequenzregelung mit schutz vor nachbarkanalstörungen - Google Patents

Automatische frequenzregelung mit schutz vor nachbarkanalstörungen

Info

Publication number
DE69714239D1
DE69714239D1 DE69714239T DE69714239T DE69714239D1 DE 69714239 D1 DE69714239 D1 DE 69714239D1 DE 69714239 T DE69714239 T DE 69714239T DE 69714239 T DE69714239 T DE 69714239T DE 69714239 D1 DE69714239 D1 DE 69714239D1
Authority
DE
Germany
Prior art keywords
protection against
frequency control
channel interference
automatic frequency
neighbor channel
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
DE69714239T
Other languages
English (en)
Other versions
DE69714239T2 (de
Inventor
M Croft
E Bottomley
D Koilpillai
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.)
Ericsson Inc
Original Assignee
Ericsson 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 Ericsson Inc filed Critical Ericsson Inc
Publication of DE69714239D1 publication Critical patent/DE69714239D1/de
Application granted granted Critical
Publication of DE69714239T2 publication Critical patent/DE69714239T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
DE69714239T 1996-04-18 1997-04-07 Automatische frequenzregelung mit schutz vor nachbarkanalstörungen Expired - Fee Related DE69714239T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/634,229 US5774799A (en) 1996-04-18 1996-04-18 Automatic frequency control with adjacent channel interference protection
PCT/US1997/005802 WO1997039527A1 (en) 1996-04-18 1997-04-07 Automatic frequency control with adjacent channel interference protection

Publications (2)

Publication Number Publication Date
DE69714239D1 true DE69714239D1 (de) 2002-08-29
DE69714239T2 DE69714239T2 (de) 2003-02-27

Family

ID=24542918

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69714239T Expired - Fee Related DE69714239T2 (de) 1996-04-18 1997-04-07 Automatische frequenzregelung mit schutz vor nachbarkanalstörungen

Country Status (13)

Country Link
US (1) US5774799A (de)
EP (1) EP0894363B1 (de)
JP (1) JP2000509571A (de)
KR (1) KR100443227B1 (de)
CN (1) CN1124686C (de)
AU (1) AU726063B2 (de)
BR (1) BR9708710A (de)
DE (1) DE69714239T2 (de)
EE (1) EE03986B1 (de)
ES (1) ES2176733T3 (de)
HK (1) HK1019827A1 (de)
TW (1) TW322660B (de)
WO (1) WO1997039527A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5963851A (en) * 1997-04-07 1999-10-05 Motorola, Inc. Automatic frequency control system using multiple threshold levels and method of using same
JP3514622B2 (ja) * 1998-03-18 2004-03-31 株式会社ケンウッド ディジタル放送受信機
US6140880A (en) * 1998-09-24 2000-10-31 Cypress Semiconductor Corp. Circuits, architectures and methods for detecting and correcting excess oscillator frequencies
US7218901B1 (en) * 2001-09-18 2007-05-15 Scientific-Atlanta, Inc. Automatic frequency control of multiple channels
FR2841709A1 (fr) * 2002-06-28 2004-01-02 Koninkl Philips Electronics Nv Recepteur a controle automatique de frequence
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
FR2853795B1 (fr) * 2003-04-11 2005-07-01 St Microelectronics Sa Composant electronique avec dispositif de syntonisation integre, permettant le decodage de signaux de television numerique terrestre 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.
KR100800805B1 (ko) 2006-01-02 2008-02-04 삼성전자주식회사 이동통신 시스템에서 주파수 오차 추정 및 결합 장치 및 방법
US7570123B2 (en) 2006-12-27 2009-08-04 Telefonaktiebolaget Lm Ericsson (Publ) Digitally controlled analog frequency synthesizer
US8219059B2 (en) * 2009-11-13 2012-07-10 Ubiquiti Networks, Inc. Adjacent channel optimized receiver

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004233A (en) * 1974-03-22 1977-01-18 Matsushita Electric Industrial Co., Ltd. Search type tuning device
US3936753A (en) * 1974-07-12 1976-02-03 Martin Marietta Corporation Digital automatic frequency control circuit
DE2657914C2 (de) * 1976-12-21 1978-11-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zum Grobsynchronisieren von Trägersignalen und Taktsignalen mit Datensignalen in einem Datenempfänger
JPS6035856B2 (ja) * 1978-10-28 1985-08-16 ヤマハ株式会社 受信機
US4328587A (en) * 1979-02-19 1982-05-04 Kokusai Denshin Denwa Kabushiki Kaisha Phase slip detector and systems employing the detector
US4408350A (en) * 1982-02-19 1983-10-04 Erwin Donath Enhanced selectivity signal receiver
US4817192A (en) * 1986-10-31 1989-03-28 Motorola, Inc. Dual-mode AFC circuit for an SSB radio transceiver
US5109544A (en) * 1990-11-05 1992-04-28 Motorola, Inc. Paging receiver with automatic frequency control
FI89431C (fi) * 1991-05-14 1993-09-27 Nokia Mobile Phones Ltd Grovinstaellning av kanalfrekvensen
US5493710A (en) * 1991-08-02 1996-02-20 Hitachi, Ltd. Communication system having oscillation frequency calibrating function
US5457716A (en) * 1994-01-31 1995-10-10 Motorola, Inc. Automatic frequency control in a radio communication receiver
JP2689909B2 (ja) * 1994-07-25 1997-12-10 日本電気株式会社 周波数制御回路
JPH08213881A (ja) * 1995-02-02 1996-08-20 Fujitsu Ltd 周波数制御回路

Also Published As

Publication number Publication date
AU726063B2 (en) 2000-10-26
KR20000005542A (ko) 2000-01-25
CN1124686C (zh) 2003-10-15
EE9800341A (et) 1999-04-15
JP2000509571A (ja) 2000-07-25
US5774799A (en) 1998-06-30
EP0894363B1 (de) 2002-07-24
CN1221524A (zh) 1999-06-30
HK1019827A1 (en) 2000-02-25
WO1997039527A1 (en) 1997-10-23
DE69714239T2 (de) 2003-02-27
EE03986B1 (et) 2003-02-17
BR9708710A (pt) 1999-08-03
ES2176733T3 (es) 2002-12-01
KR100443227B1 (ko) 2004-09-18
TW322660B (de) 1997-12-11
AU2447297A (en) 1997-11-07
EP0894363A1 (de) 1999-02-03

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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