BE631867A - - Google Patents

Info

Publication number
BE631867A
BE631867A BE631867DA BE631867A BE 631867 A BE631867 A BE 631867A BE 631867D A BE631867D A BE 631867DA BE 631867 A BE631867 A BE 631867A
Authority
BE
Belgium
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 BE631867A publication Critical patent/BE631867A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C7/00—Modulating electromagnetic waves
    • H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
    • H03C7/025—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas using semiconductor devices
    • H03C7/027—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas using semiconductor devices using diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/06—Means for changing frequency deviation
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
BE631867D 1962-05-04 BE631867A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES79299A DE1297695B (de) 1962-05-04 1962-05-04 Modulationsschaltung zur Erzeugung hochlinear in der Frequenz modulierter elektromagnetischer Wellen mit zwei Oszillatoren

Publications (1)

Publication Number Publication Date
BE631867A true BE631867A (en:Method)

Family

ID=7508097

Family Applications (1)

Application Number Title Priority Date Filing Date
BE631867D BE631867A (en:Method) 1962-05-04

Country Status (6)

Country Link
US (1) US3307119A (en:Method)
BE (1) BE631867A (en:Method)
DE (1) DE1297695B (en:Method)
GB (1) GB1018704A (en:Method)
NL (1) NL292106A (en:Method)
SE (1) SE315016B (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3403354A (en) * 1965-04-26 1968-09-24 Rca Corp Linear frequency modulation system including an oscillating transistor, an internal capacity of which is varied in accordance with a modulating signal
JPS5854740A (ja) * 1981-09-28 1983-03-31 Nec Corp 周波数シンセサイザ

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE759620C (de) * 1941-01-19 1954-07-26 Ernst Dr-Ing Prokott Frequenzmodulationsverfahren
US2794956A (en) * 1942-06-30 1957-06-04 Fox Benjamin Frequency modulation system
FR908726A (fr) * 1943-10-28 1946-04-17 Thomson Houston Comp Francaise Perfectionnements aux émetteurs d'ondes modulées en fréquence
DE841158C (de) * 1950-10-14 1952-06-13 Paul Barkow Verfahren zur Symmetrierung des Frequenzhubes, insbesondere in Breitbandschaltungen mit Frequenzmodulation
US2735983A (en) * 1951-02-15 1956-02-21 mcleod
DE885874C (de) * 1951-11-10 1953-08-10 Elek Sche Messtechnik Verfahren zur Frequenzmodulation von Zentimeterwellen
AT182124B (de) * 1952-06-24 1955-05-25 Philips Nv Magnetischer oder dielektrischer Modulator
GB775572A (en) * 1954-04-09 1957-05-29 Gen Electric Co Ltd Improvements in or relating to the automatic frequency control of electric oscillation generators
US3002160A (en) * 1958-01-29 1961-09-26 Gen Electric Phase modulation system
US3109995A (en) * 1959-09-01 1963-11-05 Hughes Aircraft Co Voltage tuned oscillator
US3109993A (en) * 1959-09-04 1963-11-05 Collins Radio Co Compression circuit
US3050693A (en) * 1960-04-28 1962-08-21 Senn Custom Inc Variable oscillator circuit utilizing reverse biased diodes for operation at a predetermined frequency
NL278652A (en:Method) * 1961-05-29
NL292145A (en:Method) * 1962-04-30

Also Published As

Publication number Publication date
US3307119A (en) 1967-02-28
GB1018704A (en) 1966-02-02
NL292106A (en:Method)
DE1297695B (de) 1969-06-19
SE315016B (en:Method) 1969-09-22

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