CH548694A - Steuerschaltung in einem digitalen frequenzsynthetisator zur programmierung eines dekadischen frequenzteilers. - Google Patents

Steuerschaltung in einem digitalen frequenzsynthetisator zur programmierung eines dekadischen frequenzteilers.

Info

Publication number
CH548694A
CH548694A CH178973A CH178973A CH548694A CH 548694 A CH548694 A CH 548694A CH 178973 A CH178973 A CH 178973A CH 178973 A CH178973 A CH 178973A CH 548694 A CH548694 A CH 548694A
Authority
CH
Switzerland
Prior art keywords
decadic
programming
control circuit
frequency
synthetizer
Prior art date
Application number
CH178973A
Other languages
English (en)
Original Assignee
Loewe Opta Gmbh
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 Loewe Opta Gmbh filed Critical Loewe Opta Gmbh
Publication of CH548694A publication Critical patent/CH548694A/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
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers
    • H03J7/285—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers the counter or frequency divider being used in a phase locked loop
    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/64—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two
    • H03K23/66—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses
    • H03K23/665—Pulse counters comprising counting chains; Frequency dividers comprising counting chains with a base or radix other than a power of two with a variable counting base, e.g. by presetting or by adding or suppressing pulses by presetting

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
CH178973A 1972-03-10 1973-02-08 Steuerschaltung in einem digitalen frequenzsynthetisator zur programmierung eines dekadischen frequenzteilers. CH548694A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2211664A DE2211664A1 (de) 1972-03-10 1972-03-10 Abstimmeinheit fuer hochfrequenzempfangsgeraete

Publications (1)

Publication Number Publication Date
CH548694A true CH548694A (de) 1974-04-30

Family

ID=5838561

Family Applications (1)

Application Number Title Priority Date Filing Date
CH178973A CH548694A (de) 1972-03-10 1973-02-08 Steuerschaltung in einem digitalen frequenzsynthetisator zur programmierung eines dekadischen frequenzteilers.

Country Status (4)

Country Link
US (1) US3864637A (de)
CH (1) CH548694A (de)
DE (1) DE2211664A1 (de)
GB (1) GB1386935A (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4000468A (en) * 1973-09-20 1976-12-28 Teaberry Electronics Corporation Programmable signal seeking radio receiver
DE2356858C2 (de) * 1973-11-14 1980-09-25 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltung zum Programmieren digitaler Speicher mit Analogausgang in Fernseh- oder Rundfunkempfängern
NL7414564A (nl) * 1973-11-16 1975-05-21 Int Standard Electric Corp Radio- of televisieontvanger met een zender- zoekinrichting.
JPS5421049B2 (de) * 1973-12-28 1979-07-27
US4114103A (en) * 1974-03-14 1978-09-12 Masco Corporation Of Indiana Crystalless scanning radio receiver
JPS5439937Y2 (de) * 1974-05-27 1979-11-26
US4123715A (en) * 1975-01-30 1978-10-31 Masco Corporation Of Indiana Program apparatus for radio receiver using frequency synthesizer
DE2513948C3 (de) * 1975-03-29 1981-12-17 Wandel & Goltermann Gmbh & Co, 7412 Eningen Stufig einstellbarer Frequenzgenerator mit einer phasengerasteten Regelschleife
US4013957A (en) * 1975-04-26 1977-03-22 Kanda Tsushin Kogyo Co., Ltd. Channel-selecting apparatus for a multichannel transceiver
US4081752A (en) * 1975-05-30 1978-03-28 Sanyo Electric Co., Ltd. Digital frequency synthesizer receiver
US4135158A (en) * 1975-06-02 1979-01-16 Motorola, Inc. Universal automotive electronic radio
US4110694A (en) * 1975-10-10 1978-08-29 Warren A. Sturm Channel number interface
US4023107A (en) * 1975-10-14 1977-05-10 Zenith Radio Corporation Sequential channel tuning system with a memory
US4422096A (en) * 1975-11-14 1983-12-20 Rca Corporation Television frequency synthesizer for nonstandard frequency carriers
IT1073074B (it) * 1975-11-14 1985-04-13 Rca Corp Sintetizzatore di frequenze televisive,per portanti di frequenza non standardizzata
IT1050947B (it) * 1975-11-17 1981-03-20 Indesit Circuito di selezione di segnali
JPS5946129B2 (ja) * 1976-04-05 1984-11-10 ソニー株式会社 選局装置
JPS5926131B2 (ja) * 1976-06-22 1984-06-25 ソニー株式会社 ヘテロダイン受信機
US4068199A (en) * 1976-12-23 1978-01-10 Gte Sylvania Incorporated Digital phase-locked loop frequency modulator
US4207522A (en) * 1977-04-25 1980-06-10 Housholder Arthur E Programmable frequency scanning radio system
US4169385A (en) * 1978-02-21 1979-10-02 Picker Corporation Frequency synthesizer apparatus and method in ultrasonic imaging
AU4953979A (en) * 1978-08-16 1980-02-21 Sony Corporation Receiver tuning with frequency synthesizer
JPS6026323B2 (ja) * 1978-08-16 1985-06-22 ソニー株式会社 受信機の選局装置
JPS5696538A (en) * 1979-12-29 1981-08-04 Sony Corp Synthesizer receiver

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3364437A (en) * 1966-12-09 1968-01-16 Ltv Electrosystems Inc Precision swept oscillator
NL6702110A (de) * 1967-02-11 1968-08-12
US3573734A (en) * 1969-04-09 1971-04-06 Collins Radio Co Solid state touch-tune system
US3651469A (en) * 1971-03-22 1972-03-21 Collins Radio Co Binary touch-tune system with memory
US3689849A (en) * 1971-07-21 1972-09-05 Instr For Ind Inc Signal generator
US3757224A (en) * 1972-05-01 1973-09-04 Gte Sylvania Inc Toroidal yoke and core assembly therefor
US3753142A (en) * 1972-06-12 1973-08-14 Logimetrics Inc Signal generators employing digital phase locked loops and compensating circuits

Also Published As

Publication number Publication date
US3864637A (en) 1975-02-04
DE2211664A1 (de) 1973-09-20
GB1386935A (en) 1975-03-12

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Legal Events

Date Code Title Description
PL Patent ceased