NL292145A - - Google Patents

Info

Publication number
NL292145A
NL292145A NL292145DA NL292145A NL 292145 A NL292145 A NL 292145A NL 292145D A NL292145D A NL 292145DA NL 292145 A NL292145 A NL 292145A
Authority
NL
Netherlands
Application number
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.)
Publication of NL292145A publication Critical patent/NL292145A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/22—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode
    • H03C3/222—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode using 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
    • H03B5/1203—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
    • H03B5/1228—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 field effect 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
    • H03B5/1243—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 the means comprising voltage variable capacitance diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/08—Modifications of modulator to linearise modulation, e.g. by feedback, and clearly applicable to more than one type of modulator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • 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
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0037—Functional aspects of modulators
    • H03C2200/0079—Measures to linearise modulation or reduce distortion of modulation characteristics

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Television Signal Processing For Recording (AREA)
NL292145D 1962-04-30 NL292145A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US191198A US3222459A (en) 1962-04-30 1962-04-30 Wideband frequency modulation systems

Publications (1)

Publication Number Publication Date
NL292145A true NL292145A (en:Method)

Family

ID=22704506

Family Applications (1)

Application Number Title Priority Date Filing Date
NL292145D NL292145A (en:Method) 1962-04-30

Country Status (4)

Country Link
US (1) US3222459A (en:Method)
DE (1) DE1437058A1 (en:Method)
GB (1) GB990442A (en:Method)
NL (1) NL292145A (en:Method)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE631867A (en:Method) * 1962-05-04
US3324414A (en) * 1963-12-30 1967-06-06 Sony Corp Frequency modulation circuit with reduced amplitude modulation and side band components
US3369176A (en) * 1964-04-08 1968-02-13 Anthony C. Palatinus Intermodulation test system whose frequency is governed by an r.f. two tone signal
US3513266A (en) * 1967-02-27 1970-05-19 Ibm Magnetic recording system for wideband signal multiplexing by frequency modulation
US3831109A (en) * 1973-02-09 1974-08-20 Litton Systems Inc Temperature-compensated voltage-tunable gunn diode oscillator
US4344185A (en) * 1980-07-28 1982-08-10 Rockwell International Corporation Low noise high stability FM transmitter
US4486793A (en) * 1982-07-19 1984-12-04 Dolby Laboratories Licensing Corporation Reduction of crosstalk effects in modulated audio signals carried in adjacent tracks of recorded media
DE4040170A1 (de) * 1990-12-15 1992-06-17 Standard Elektrik Lorenz Ag Uebertragungssignal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735983A (en) * 1951-02-15 1956-02-21 mcleod
US2852678A (en) * 1955-08-15 1958-09-16 Litton Ind Of California Variable frequency microwave oscillator
US3020493A (en) * 1959-02-27 1962-02-06 Hughes Aircraft Co Frequency modulation circuit
US2984794A (en) * 1959-04-07 1961-05-16 Collins Radio Co Stable f. m. oscillator
US3023378A (en) * 1959-11-27 1962-02-27 Pacific Semiconductors Inc Voltage-controlled capacitance converter-modulator
NL278652A (en:Method) * 1961-05-29

Also Published As

Publication number Publication date
DE1437058A1 (de) 1969-02-06
US3222459A (en) 1965-12-07
GB990442A (en) 1965-04-28

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