DE69317457T2 - AFC-Schaltung und IC derselben - Google Patents

AFC-Schaltung und IC derselben

Info

Publication number
DE69317457T2
DE69317457T2 DE69317457T DE69317457T DE69317457T2 DE 69317457 T2 DE69317457 T2 DE 69317457T2 DE 69317457 T DE69317457 T DE 69317457T DE 69317457 T DE69317457 T DE 69317457T DE 69317457 T2 DE69317457 T2 DE 69317457T2
Authority
DE
Germany
Prior art keywords
same
afc circuit
afc
circuit
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
DE69317457T
Other languages
English (en)
Other versions
DE69317457D1 (de
Inventor
Taiwa Okanobu
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of DE69317457D1 publication Critical patent/DE69317457D1/de
Application granted granted Critical
Publication of DE69317457T2 publication Critical patent/DE69317457T2/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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
    • H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
    • H03D3/004—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling an oscillator, e.g. the local oscillator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
DE69317457T 1992-04-07 1993-04-05 AFC-Schaltung und IC derselben Expired - Fee Related DE69317457T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04113937A JP3141900B2 (ja) 1992-04-07 1992-04-07 Ａｆｃ回路及びそのｉｃ

Publications (2)

Publication Number Publication Date
DE69317457D1 DE69317457D1 (de) 1998-04-23
DE69317457T2 true DE69317457T2 (de) 1998-07-30

Family

ID=14624944

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69317457T Expired - Fee Related DE69317457T2 (de) 1992-04-07 1993-04-05 AFC-Schaltung und IC derselben

Country Status (4)

Country Link
US (1) US5404587A (de)
EP (1) EP0565325B1 (de)
JP (1) JP3141900B2 (de)
DE (1) DE69317457T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5634205A (en) * 1994-04-19 1997-05-27 Uniden Corporation Radio equipment based on AFC system with temperature detection and method of automatic frequency control
US5575001A (en) * 1995-06-07 1996-11-12 Hwa Lin Electronic Co., Ltd. Direct broadcasting satellite tuner with a negative feedback and image compression circuit
US6178315B1 (en) * 1998-11-19 2001-01-23 Visteon Global Technologies, Inc. FM radio receiver
JP4197417B2 (ja) * 2002-09-11 2008-12-17 パナソニック株式会社 半導体集積回路及び非接触型情報媒体
CN104571507B (zh) * 2014-12-27 2019-07-23 北京智谷睿拓技术服务有限公司 交互方法及用户设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230456A (en) * 1963-02-21 1966-01-18 John D Griffiths Carrier generator for suppressed-carrier single-sideband transmission
US3750028A (en) * 1970-06-25 1973-07-31 Matsushita Electric Ind Co Ltd Tuning system
GB1409798A (en) * 1971-09-25 1975-10-15 Matsushita Electric Ind Co Ltd Frequency control arrangements
US3784917A (en) * 1972-12-15 1974-01-08 Philco Ford Corp Constant lock-in range automatic frequency control
US3869674A (en) * 1972-12-26 1975-03-04 Dynaco Inc A.f.c. disabling circuitry
US4100578A (en) * 1977-05-03 1978-07-11 Admiral Corporation AFT summing circuit for varactor-type tuning systems
JPS60263532A (ja) * 1984-06-11 1985-12-27 Onkyo Corp シンセサイザ−受信機

Also Published As

Publication number Publication date
DE69317457D1 (de) 1998-04-23
JPH05291885A (ja) 1993-11-05
EP0565325A1 (de) 1993-10-13
JP3141900B2 (ja) 2001-03-07
EP0565325B1 (de) 1998-03-18
US5404587A (en) 1995-04-04

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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