NO175128C - Frekvenslåsekrets (AFC) for mottaker - Google Patents

Frekvenslåsekrets (AFC) for mottaker

Info

Publication number
NO175128C
NO175128C NO894947A NO894947A NO175128C NO 175128 C NO175128 C NO 175128C NO 894947 A NO894947 A NO 894947A NO 894947 A NO894947 A NO 894947A NO 175128 C NO175128 C NO 175128C
Authority
NO
Norway
Prior art keywords
afc
receiver
lock circuit
frequency lock
frequency
Prior art date
Application number
NO894947A
Other languages
English (en)
Other versions
NO894947D0 (no
NO175128B (no
NO894947L (no
Inventor
Akira Andoh
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of NO894947D0 publication Critical patent/NO894947D0/no
Publication of NO894947L publication Critical patent/NO894947L/no
Publication of NO175128B publication Critical patent/NO175128B/no
Publication of NO175128C publication Critical patent/NO175128C/no

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
    • 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
    • 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
NO894947A 1989-08-10 1989-12-08 Frekvenslåsekrets (AFC) for mottaker NO175128C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1207348A JPH07105822B2 (ja) 1989-08-10 1989-08-10 自動周波数制御装置

Publications (4)

Publication Number Publication Date
NO894947D0 NO894947D0 (no) 1989-12-08
NO894947L NO894947L (no) 1991-02-11
NO175128B NO175128B (no) 1994-05-24
NO175128C true NO175128C (no) 1994-08-31

Family

ID=16538250

Family Applications (1)

Application Number Title Priority Date Filing Date
NO894947A NO175128C (no) 1989-08-10 1989-12-08 Frekvenslåsekrets (AFC) for mottaker

Country Status (5)

Country Link
US (1) US5574998A (no)
EP (1) EP0412207B1 (no)
JP (1) JPH07105822B2 (no)
DE (1) DE68916952T2 (no)
NO (1) NO175128C (no)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0422225A (ja) * 1990-05-17 1992-01-27 Sony Corp 通信方式
JPH05152903A (ja) * 1991-06-29 1993-06-18 Nec Corp 移動無線機
JPH0548483A (ja) * 1991-08-12 1993-02-26 Fujitsu Ltd 周波数変換回路
JPH05152989A (ja) * 1991-12-02 1993-06-18 Sony Corp スーパーヘテロダイン受信機
CA2098660C (en) * 1992-06-23 1999-08-03 Gen Suganuma Automatic frequency control circuit
JP3179344B2 (ja) * 1996-06-28 2001-06-25 静岡日本電気株式会社 無線通信端末における自動周波数補正方法及び通信制御方法
JPH1098354A (ja) * 1996-09-24 1998-04-14 Matsushita Electric Ind Co Ltd 自動周波数制御回路
JP3042418B2 (ja) * 1996-09-27 2000-05-15 日本電気株式会社 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
KR100233658B1 (ko) * 1996-10-21 1999-12-01 윤종용 고선명 텔레비젼 수신기의 반송파 복구시간을 줄이는 방법
JP2880971B2 (ja) * 1996-11-15 1999-04-12 埼玉日本電気株式会社 周波数安定化回路
JP3226807B2 (ja) 1996-11-20 2001-11-05 静岡日本電気株式会社 無線呼出システム用の自動周波数補正装置および自動周波数補正方法
JP3397238B2 (ja) * 1998-10-01 2003-04-14 日本電気株式会社 移動局および移動局におけるａｆｃ制御方法
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
JP3599183B2 (ja) * 2001-03-28 2004-12-08 日本電気株式会社 衛星通信送信制御方式及び小型地球局
EP1480354B1 (en) * 2003-05-23 2012-04-18 Gilat Satellite Networks Ltd. Frequency and timing synchronization and error correction in a satellite network
JP4325490B2 (ja) * 2004-06-10 2009-09-02 株式会社デンソー ヘテロダイン受信機
DE102005010982A1 (de) * 2005-03-03 2006-09-07 Bizerba Gmbh & Co. Kg Kraftmesszelle
WO2007004465A1 (ja) * 2005-07-04 2007-01-11 Matsushita Electric Industrial Co., Ltd. 半導体装置およびそれを用いた無線回路装置
JP4855846B2 (ja) * 2006-06-27 2012-01-18 日本無線株式会社 ディジタル復調装置
FR3016102A1 (fr) * 2013-12-31 2015-07-03 Commissariat Energie Atomique Circuit de reception radiofrequence a tres basse consommation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3027706A1 (de) * 1980-07-22 1982-02-11 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur frequenzsynchronisation eines freilaufenden, spannungsgesteuerten oszillators einer phaseloocked-loop(pll)-schaltung in einem funkempfaenger
US4715001A (en) * 1984-08-23 1987-12-22 Motorola, Inc. Extremely accurate automatic frequency control circuit and method therefor
JPS6173416A (ja) * 1984-09-19 1986-04-15 Nec Corp 自動周波数制御・自動利得制御回路
US4817197A (en) * 1986-07-18 1989-03-28 Nippon Telegraph And Telephone Corporation Mobile communication apparatus
US4703520A (en) * 1986-10-31 1987-10-27 Motorola, Inc. Radio transceiver having an adaptive reference oscillator
FI79636C (fi) * 1986-12-01 1990-01-10 Nokia Mobile Phones Ltd En baervaogsreglerande koppling av en foer en radiotelefonanordning avsedd fm-syntetisator.
JPH0744485B2 (ja) * 1987-05-22 1995-05-15 三菱電機株式会社 自動車電話装置
JPH01128624A (ja) * 1987-11-13 1989-05-22 Nippon Telegr & Teleph Corp <Ntt> 周波数安定化機能を有する移動無線機
SE460086B (sv) * 1987-11-27 1989-09-04 Ericsson Telefon Ab L M Anordning foer korrigering av frekvensen i en koherent mottagare

Also Published As

Publication number Publication date
JPH07105822B2 (ja) 1995-11-13
EP0412207B1 (en) 1994-07-20
NO894947D0 (no) 1989-12-08
NO175128B (no) 1994-05-24
JPH0370335A (ja) 1991-03-26
US5574998A (en) 1996-11-12
DE68916952T2 (de) 1995-03-09
NO894947L (no) 1991-02-11
DE68916952D1 (de) 1994-08-25
EP0412207A1 (en) 1991-02-13

Similar Documents

Publication Publication Date Title
NO175128C (no) Frekvenslåsekrets (AFC) for mottaker
DE69028271D1 (de) Hochfrequenz-Übertragungsleitungsschaltung
GB2205460B (en) Local oscillators for radio receivers
DE69029582D1 (de) Funkempfänger
EP0411919A3 (en) Matching circuit for high frequency transistor
EP0429914A3 (en) Tuning circuit
FI925621A (fi) Radiovastaanottimen virityspiirien viritys
HUT62739A (en) Frequency tuning device
DE69024687D1 (de) Automatische Frequenzabstimmungsschaltung
ES534134A0 (es) Dispositivo de sintonizacion de radiofrecuencia
DE69022126D1 (de) Frequenzteiler-Schaltung.
NO913143D0 (no) Addisjonskrets for hoeyfrekvenssignaler.
NO901464L (no) Radiofrekvens-begrenserkrets.
AU4867290A (en) Oscillator circuit
ZA91804B (en) Frequency compensated circuit
GB8907592D0 (en) Oscillator circuit
EP0418862A3 (en) Frequency modulation circuit using vco
GB8913749D0 (en) Method of circuit arrangement for increasing the tuning rate of frequency synthesizers
DE69031827D1 (de) Abstimmdetektorschaltung
KR910013225U (ko) 저주파 알씨 발진회로
EP0429791A3 (en) Resonator tuning device
DE69120218D1 (de) Frequenzteilerschaltung
KR880013890U (ko) Pll 튜너의 동조단 절환회로
GB2248353B (en) Frequency reference circuit
KR950022096U (ko) 고주파 수신회로

Legal Events

Date Code Title Description
MK1K Patent expired