DE69726377D1 - Frequenzeinstellverfahren und -schaltung für digitalen Empfänger - Google Patents

Frequenzeinstellverfahren und -schaltung für digitalen Empfänger

Info

Publication number
DE69726377D1
DE69726377D1 DE69726377T DE69726377T DE69726377D1 DE 69726377 D1 DE69726377 D1 DE 69726377D1 DE 69726377 T DE69726377 T DE 69726377T DE 69726377 T DE69726377 T DE 69726377T DE 69726377 D1 DE69726377 D1 DE 69726377D1
Authority
DE
Germany
Prior art keywords
circuit
setting method
frequency setting
digital receivers
receivers
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
DE69726377T
Other languages
English (en)
Other versions
DE69726377T2 (de
Inventor
Akira Hioki
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.)
NEC Electronics Corp
Original Assignee
NEC Electronics Corp
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 NEC Electronics Corp filed Critical NEC Electronics Corp
Publication of DE69726377D1 publication Critical patent/DE69726377D1/de
Application granted granted Critical
Publication of DE69726377T2 publication Critical patent/DE69726377T2/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
    • 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
    • H03J1/0041—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers
    • H03J1/005—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers in a loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
    • H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
    • 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
    • H03J1/0058—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means
    • H03J1/0066—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with channel identification means with means for analysing the received signal strength
    • 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
    • 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
    • H03J7/06—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 counters or frequency dividers
    • H03J7/065—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 counters or frequency dividers the counter or frequency divider being used in a phase locked loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
DE69726377T 1996-09-27 1997-09-12 Frequenzeinstellverfahren und -schaltung für digitalen Empfänger Expired - Fee Related DE69726377T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP25623896 1996-09-27
JP8256238A JP3042418B2 (ja) 1996-09-27 1996-09-27 ディジタル受信機の周波数調整方法及び周波数調整回路

Publications (2)

Publication Number Publication Date
DE69726377D1 true DE69726377D1 (de) 2004-01-08
DE69726377T2 DE69726377T2 (de) 2004-09-09

Family

ID=17289862

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69726377T Expired - Fee Related DE69726377T2 (de) 1996-09-27 1997-09-12 Frequenzeinstellverfahren und -schaltung für digitalen Empfänger

Country Status (4)

Country Link
US (1) US6052419A (de)
EP (1) EP0833448B1 (de)
JP (1) JP3042418B2 (de)
DE (1) DE69726377T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3492206B2 (ja) * 1998-06-24 2004-02-03 松下電器産業株式会社 電界検出方法
DE69924989T2 (de) * 1999-07-08 2006-02-23 Sony International (Europe) Gmbh Kalibrierung eines Empfängers mit N -Toren
US7127010B1 (en) * 1999-07-29 2006-10-24 Bose Corporation Oscillator controlling
AU7724800A (en) * 1999-09-27 2001-04-30 Parthus Technologies Plc Method and apparatus for in the field wireless device calibration
CA2352398C (en) * 2000-07-06 2005-07-26 Unique Broadband Systems, Inc. Low phase noise frequency converter
EP1182792A1 (de) * 2000-08-25 2002-02-27 Telefonaktiebolaget L M Ericsson (Publ) Elektronische Schaltung und Verfahren zur Kontrolle der Ausgangsfrequenz eines Frequenzsynthesizers
ATE349842T1 (de) * 2001-02-26 2007-01-15 Juniper Networks Inc Schätzung eines frequenzversatzes, zur anwendung bei kurzen datenbursts
FR2867926B1 (fr) * 2004-03-16 2006-07-07 St Microelectronics Sa Procede et systeme de reception satellitaire
CN110311673B (zh) * 2019-06-24 2024-02-02 Oppo广东移动通信有限公司 一种频率校准方法、终端及存储介质
EP3982549A1 (de) * 2020-10-09 2022-04-13 Beammwave AB Mehrantennen-sender-empfängersystem für mehrbandbetrieb

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2086159A (en) * 1980-10-22 1982-05-06 Philips Electronic Associated Automatic frequency control system
JPH0744485B2 (ja) * 1987-05-22 1995-05-15 三菱電機株式会社 自動車電話装置
JPH07105822B2 (ja) * 1989-08-10 1995-11-13 三菱電機株式会社 自動周波数制御装置
FI91821C (fi) * 1991-02-22 1994-08-10 Nokia Mobile Phones Ltd Radiopuhelimen automaattinen taajuudensäätökytkentä
EP0526836B1 (de) * 1991-08-07 1997-01-29 Kabushiki Kaisha Toshiba QPSK-Demodulator mit automatischer Frequenznachregelung
JP2540093B2 (ja) * 1992-06-23 1996-10-02 日本無線株式会社 Ａｆｃ回路
CA2098660C (en) * 1992-06-23 1999-08-03 Gen Suganuma Automatic frequency control circuit
JPH07297779A (ja) * 1994-04-26 1995-11-10 Toshiba Corp 自動周波数制御機能を備えたディジタル無線機
JP2755210B2 (ja) * 1995-04-11 1998-05-20 日本電気株式会社 周波数自動制御回路

Also Published As

Publication number Publication date
JP3042418B2 (ja) 2000-05-15
EP0833448A3 (de) 1998-06-10
EP0833448A2 (de) 1998-04-01
EP0833448B1 (de) 2003-11-26
US6052419A (en) 2000-04-18
DE69726377T2 (de) 2004-09-09
JPH10107590A (ja) 1998-04-24

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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