OA00440A - Perfectionnements aux récepteurs ultra-haute fréquence transistorisés. - Google Patents

Perfectionnements aux récepteurs ultra-haute fréquence transistorisés.

Info

Publication number
OA00440A
OA00440A OA50526A OA50526A OA00440A OA 00440 A OA00440 A OA 00440A OA 50526 A OA50526 A OA 50526A OA 50526 A OA50526 A OA 50526A OA 00440 A OA00440 A OA 00440A
Authority
OA
OAPI
Prior art keywords
transistorized
ultra
high frequency
frequency receivers
receivers
Prior art date
Application number
OA50526A
Other languages
English (en)
Original Assignee
Csf
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 Csf filed Critical Csf
Publication of OA00440A publication Critical patent/OA00440A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • 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
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/12—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
    • H03D9/06—Transference of modulation using distributed inductance and capacitance
    • H03D9/0658—Transference of modulation using distributed inductance and capacitance by means of semiconductor devices having more than two electrodes
    • H03D9/0666—Transference of modulation using distributed inductance and capacitance by means of semiconductor devices having more than two electrodes using bipolar transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Superheterodyne Receivers (AREA)
OA50526A 1963-01-25 1964-10-30 Perfectionnements aux récepteurs ultra-haute fréquence transistorisés. OA00440A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR922699A FR1354299A (fr) 1963-01-25 1963-01-25 Perfectionnements aux récepteurs ultra haute fréquence transistorisés

Publications (1)

Publication Number Publication Date
OA00440A true OA00440A (fr) 1966-05-15

Family

ID=8795583

Family Applications (1)

Application Number Title Priority Date Filing Date
OA50526A OA00440A (fr) 1963-01-25 1964-10-30 Perfectionnements aux récepteurs ultra-haute fréquence transistorisés.

Country Status (6)

Country Link
US (1) US3356952A (fr)
DE (1) DE1202318B (fr)
FR (1) FR1354299A (fr)
GB (1) GB1039407A (fr)
NL (1) NL6400584A (fr)
OA (1) OA00440A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824043B2 (ja) * 1978-04-04 1983-05-19 日本電気株式会社 振幅等化回路
US4380827A (en) * 1981-09-21 1983-04-19 Zenith Radio Corporation Oscillator for television tuner

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3252096A (en) * 1962-12-04 1966-05-17 Rca Corp Multiband tunable circuit
GB1064740A (en) * 1963-05-02 1967-04-05 Telefunken Patent Improvements in tunable oscillators

Also Published As

Publication number Publication date
FR1354299A (fr) 1964-03-06
US3356952A (en) 1967-12-05
GB1039407A (en) 1966-08-17
NL6400584A (fr) 1964-07-27
DE1202318B (de) 1965-10-07

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