NL191274B - Afstemeenheid. - Google Patents

Afstemeenheid.

Info

Publication number
NL191274B
NL191274B NL8204952A NL8204952A NL191274B NL 191274 B NL191274 B NL 191274B NL 8204952 A NL8204952 A NL 8204952A NL 8204952 A NL8204952 A NL 8204952A NL 191274 B NL191274 B NL 191274B
Authority
NL
Netherlands
Prior art keywords
tuning unit
tuning
unit
Prior art date
Application number
NL8204952A
Other languages
English (en)
Other versions
NL191274C (nl
NL8204952A (nl
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 NL8204952A publication Critical patent/NL8204952A/nl
Publication of NL191274B publication Critical patent/NL191274B/nl
Application granted granted Critical
Publication of NL191274C publication Critical patent/NL191274C/nl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
    • H03J5/0281—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer the digital values being held in an auxiliary non erasable memory

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
NL8204952A 1981-12-22 1982-12-22 Afstemeenheid. NL191274C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20730381 1981-12-22
JP56207303A JPS58107715A (ja) 1981-12-22 1981-12-22 選局装置

Publications (3)

Publication Number Publication Date
NL8204952A NL8204952A (nl) 1983-07-18
NL191274B true NL191274B (nl) 1994-11-16
NL191274C NL191274C (nl) 1995-04-18

Family

ID=16537537

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8204952A NL191274C (nl) 1981-12-22 1982-12-22 Afstemeenheid.

Country Status (7)

Country Link
US (1) US4521744A (nl)
JP (1) JPS58107715A (nl)
CA (1) CA1183621A (nl)
DE (1) DE3247082A1 (nl)
FR (1) FR2530898B1 (nl)
GB (1) GB2118382B (nl)
NL (1) NL191274C (nl)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58172031A (ja) * 1982-04-01 1983-10-08 Sony Corp アツプダウンカウンタ制御回路
US4603438A (en) * 1984-09-28 1986-07-29 Rca Corporation Tuning system with provisions for skipping nonpreferred tuning positions
DE3772914D1 (de) * 1986-04-04 1991-10-17 Plessey Overseas Frequenzsynthesizer.
US4672299A (en) * 1986-05-23 1987-06-09 American Telephone And Telegraph Co. Clock control circuit for phase control
GB2191352A (en) * 1986-06-06 1987-12-09 Plessey Co Plc Frequency synthesiser
WO1989001261A1 (en) * 1987-07-28 1989-02-09 Plessey Overseas Limited Frequency synthesisers
US4811424A (en) * 1987-04-24 1989-03-07 Bell Communications Research, Inc. Rapid phase correcting carrier recovery circuit
US4947382A (en) * 1989-04-11 1990-08-07 Vista Labs, Inc. Direct digital locked loop
JPH03224322A (ja) * 1990-01-29 1991-10-03 Toshiba Corp 選局回路
KR960014676B1 (ko) * 1993-12-29 1996-10-19 양승택 위성통신용 저속 데이타 전용 단말 지구국의 송신 기준주파수 발진기(tro)
JPH07312564A (ja) * 1994-05-17 1995-11-28 Alps Electric Co Ltd チューナ装置
EP1006661B1 (fr) * 1998-11-27 2003-02-12 Asulab S.A. Générateur de signal à haute fréquence à partir d'une base de temps horlogère
US6798302B2 (en) 2001-05-06 2004-09-28 Altera Corporation Analog implementation of spread spectrum frequency modulation in a programmable phase locked loop (PLL) system
US7242229B1 (en) * 2001-05-06 2007-07-10 Altera Corporation Phase locked loop (PLL) and delay locked loop (DLL) counter and delay element programming in user mode
US6744277B1 (en) 2001-05-06 2004-06-01 Altera Corporation Programmable current reference circuit
US6856180B1 (en) 2001-05-06 2005-02-15 Altera Corporation Programmable loop bandwidth in phase locked loop (PLL) circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117407A (en) * 1975-04-30 1978-09-26 Tokyo Shibaura Electric Co., Ltd. Frequency synthesizer tuner
GB2015837B (en) * 1978-02-22 1982-06-03 Plessey Co Ltd Frequency synthesis control system
JPS6026324B2 (ja) * 1979-06-27 1985-06-22 日本電気ホームエレクトロニクス株式会社 受信機の選局装置におけるメモリへの選局デ−タ書き込み動作確認装置
JPS5696538A (en) * 1979-12-29 1981-08-04 Sony Corp Synthesizer receiver
JPS56104525A (en) * 1980-01-25 1981-08-20 Hitachi Ltd Pll frequency synthesizer tuner
US4321555A (en) * 1980-04-16 1982-03-23 King Radio Corporation Universal frequency synthesizer

Also Published As

Publication number Publication date
GB2118382B (en) 1985-07-03
DE3247082A1 (de) 1983-07-28
US4521744A (en) 1985-06-04
NL191274C (nl) 1995-04-18
JPS58107715A (ja) 1983-06-27
FR2530898A1 (fr) 1984-01-27
JPH0251288B2 (nl) 1990-11-07
GB2118382A (en) 1983-10-26
CA1183621A (en) 1985-03-05
NL8204952A (nl) 1983-07-18
FR2530898B1 (fr) 1989-06-30

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

Effective date: 20021222