NL178112C - Schakeling voor automatische frequentieregeling. - Google Patents

Schakeling voor automatische frequentieregeling.

Info

Publication number
NL178112C
NL178112C NLAANVRAGE7316173,A NL7316173A NL178112C NL 178112 C NL178112 C NL 178112C NL 7316173 A NL7316173 A NL 7316173A NL 178112 C NL178112 C NL 178112C
Authority
NL
Netherlands
Prior art keywords
switch
frequency control
automatic frequency
automatic
control
Prior art date
Application number
NLAANVRAGE7316173,A
Other languages
English (en)
Other versions
NL7316173A (nl
NL178112B (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 NL7316173A publication Critical patent/NL7316173A/xx
Publication of NL178112B publication Critical patent/NL178112B/nl
Application granted granted Critical
Publication of NL178112C publication Critical patent/NL178112C/nl

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
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier being a single transistor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more bipolar transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1237—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
    • H03B5/124—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1237—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
    • H03B5/1293—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator having means for achieving a desired tuning characteristic, e.g. linearising the frequency characteristic across the tuning voltage range
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1296—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the feedback circuit comprising a transformer
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/0002—Types of oscillators
    • H03B2200/001—Hartley oscillator

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
NLAANVRAGE7316173,A 1972-11-25 1973-11-26 Schakeling voor automatische frequentieregeling. NL178112C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1972135637U JPS5313304Y2 (nl) 1972-11-25 1972-11-25

Publications (3)

Publication Number Publication Date
NL7316173A NL7316173A (nl) 1974-05-28
NL178112B NL178112B (nl) 1985-08-16
NL178112C true NL178112C (nl) 1986-01-16

Family

ID=15156454

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7316173,A NL178112C (nl) 1972-11-25 1973-11-26 Schakeling voor automatische frequentieregeling.

Country Status (7)

Country Link
US (1) US3852686A (nl)
JP (1) JPS5313304Y2 (nl)
CA (1) CA996194A (nl)
DE (1) DE2358695C2 (nl)
FR (1) FR2208238B1 (nl)
GB (1) GB1424467A (nl)
NL (1) NL178112C (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4601061A (en) * 1984-07-02 1986-07-15 Motorola Inc. Automatic frequency control circuit having an equalized closed loop frequency response
JPH06188729A (ja) * 1992-12-16 1994-07-08 Murata Mfg Co Ltd ノイズ除去回路および電圧制御形発振回路
JP3330040B2 (ja) * 1996-12-11 2002-09-30 アルプス電気株式会社 発振回路
DE19652146B4 (de) * 1996-12-14 2006-06-29 Sennheiser Electronic Gmbh & Co. Kg Rauscharme Oszillatorschaltung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1171032B (de) * 1961-11-13 1964-05-27 Telefunken Patent Anordnung zur elektronischen Abstimmung und zur automatischen Scharfabstimmung
DE1277954C2 (de) * 1962-02-03 1973-02-22 Standard Elek K Lorenz Ag Schaltungsanordnung zur elektronischen Abstimmung mehrerer Schwingungskreise im Gleich- oder Parallellauf
US3332035A (en) * 1966-07-20 1967-07-18 Alfred Electronics Oscillator circuit with variable capacitor
US3469214A (en) * 1966-08-26 1969-09-23 Matsushita Electric Ind Co Ltd Reactance transistor circuit configuration
DE1296226C2 (de) * 1967-12-09 1978-03-16 Philips" Patentverwaltung GmbH, 2000 Hamburg Abstimm-schaltungsanordnung mit einer schaltdiode
US3619803A (en) * 1970-03-16 1971-11-09 Gte Sylvania Inc Temperature and voltage compensation for transistorized vco control circuit
US3626311A (en) * 1970-07-30 1971-12-07 Motorola Inc Phase lock loop demodulator providing noise suppression
DE2126136C3 (de) * 1971-05-26 1982-07-29 Blaupunkt-Werke Gmbh, 3200 Hildesheim Regelbare HF-Eingangsstufe mit einem PIN-Dioden-Dämpfungsglied

Also Published As

Publication number Publication date
DE2358695A1 (de) 1974-05-30
JPS5313304Y2 (nl) 1978-04-11
US3852686A (en) 1974-12-03
GB1424467A (en) 1976-02-11
JPS4990012U (nl) 1974-08-05
NL7316173A (nl) 1974-05-28
NL178112B (nl) 1985-08-16
DE2358695C2 (de) 1984-09-27
FR2208238B1 (nl) 1978-01-06
CA996194A (en) 1976-08-31
FR2208238A1 (nl) 1974-06-21

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Legal Events

Date Code Title Description
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
A85 Still pending on 85-01-01
V4 Discontinued because of reaching the maximum lifetime of a patent