ATE10319T1 - Abstimmvorrichtung mit einer frequenzsynthesierschaltung. - Google Patents

Abstimmvorrichtung mit einer frequenzsynthesierschaltung.

Info

Publication number
ATE10319T1
ATE10319T1 AT82201196T AT82201196T ATE10319T1 AT E10319 T1 ATE10319 T1 AT E10319T1 AT 82201196 T AT82201196 T AT 82201196T AT 82201196 T AT82201196 T AT 82201196T AT E10319 T1 ATE10319 T1 AT E10319T1
Authority
AT
Austria
Prior art keywords
frequency
difference measured
tuner
digital
delta
Prior art date
Application number
AT82201196T
Other languages
English (en)
Inventor
Martinus F.A.M. Geurts
Original Assignee
N.V. Philips' Gloeilampenfabrieken
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 N.V. Philips' Gloeilampenfabrieken filed Critical N.V. Philips' Gloeilampenfabrieken
Application granted granted Critical
Publication of ATE10319T1 publication Critical patent/ATE10319T1/de

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
    • H03J7/06—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
    • 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
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/181—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a numerical count result being used for locking the loop, the counter counting during fixed time intervals

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)
AT82201196T 1981-09-25 1982-09-24 Abstimmvorrichtung mit einer frequenzsynthesierschaltung. ATE10319T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8104415A NL8104415A (nl) 1981-09-25 1981-09-25 Afstemschakeling met een frequentiesyntheseschakeling.
EP82201196A EP0076009B1 (de) 1981-09-25 1982-09-24 Abstimmvorrichtung mit einer Frequenzsynthesierschaltung

Publications (1)

Publication Number Publication Date
ATE10319T1 true ATE10319T1 (de) 1984-11-15

Family

ID=19838122

Family Applications (1)

Application Number Title Priority Date Filing Date
AT82201196T ATE10319T1 (de) 1981-09-25 1982-09-24 Abstimmvorrichtung mit einer frequenzsynthesierschaltung.

Country Status (9)

Country Link
US (1) US4533880A (de)
EP (1) EP0076009B1 (de)
JP (1) JPS5870635A (de)
AT (1) ATE10319T1 (de)
AU (1) AU549072B2 (de)
CA (1) CA1193771A (de)
DE (1) DE3261243D1 (de)
ES (1) ES515899A0 (de)
NL (1) NL8104415A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8200050A (nl) * 1982-01-08 1983-08-01 Philips Nv Prequentiesyntheseschakeling.
NL8903087A (nl) 1989-12-18 1991-07-16 Philips Nv Fasegekoppelde kloksignaal generator en karaktergenerator voorzien van een fasegekoppelde kloksignaal generator.
ES2048681B1 (es) * 1992-10-30 1995-01-01 Alcatel Standard Electrica Sintetizador digital de frecuencias.
US5592129A (en) * 1995-06-22 1997-01-07 National Semiconductor Corporation High resolution, large multiplication factor digitally-controlled frequency multiplier
US6124764A (en) * 1999-01-22 2000-09-26 Telefonaktiebolaget Lm Ericsson Stable low-power oscillator
US6268780B1 (en) 2000-04-26 2001-07-31 National Semiconductor Corporation Frequency synthesizer with digital frequency lock loop

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2512738C2 (de) * 1975-03-22 1982-03-25 Robert Bosch Gmbh, 7000 Stuttgart Frequenzregler
DE2706224C2 (de) * 1977-02-14 1985-01-10 Rohde & Schwarz GmbH & Co KG, 8000 München Digital einstellbarer Frequenzgenerator
US4476584A (en) * 1979-02-08 1984-10-09 Jerrold Electronics Corporation Digital frequency lock tuning system
GB2073981B (en) * 1980-04-08 1983-09-28 Rca Corp Frequency comparison arrangement for a digital tuning system

Also Published As

Publication number Publication date
CA1193771A (en) 1985-09-17
EP0076009A1 (de) 1983-04-06
ES8306939A1 (es) 1983-06-01
JPS5870635A (ja) 1983-04-27
NL8104415A (nl) 1983-04-18
DE3261243D1 (en) 1984-12-20
AU8861082A (en) 1983-03-31
ES515899A0 (es) 1983-06-01
US4533880A (en) 1985-08-06
JPH0241933B2 (de) 1990-09-20
EP0076009B1 (de) 1984-11-14
AU549072B2 (en) 1986-01-09

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee