NL275870A - - Google Patents

Info

Publication number
NL275870A
NL275870A NL275870DA NL275870A NL 275870 A NL275870 A NL 275870A NL 275870D A NL275870D A NL 275870DA NL 275870 A NL275870 A NL 275870A
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 NL275870A publication Critical patent/NL275870A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F7/00—Parametric amplifiers
    • H03F7/04—Parametric amplifiers using variable-capacitance element; using variable-permittivity element
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • 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
    • 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
    • H03F—AMPLIFIERS
    • H03F7/00—Parametric amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Amplifiers (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
NL275870D 1961-03-17 NL275870A (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US96491A US3183456A (en) 1961-03-17 1961-03-17 Frequency modulation apparatus

Publications (1)

Publication Number Publication Date
NL275870A true NL275870A (OSRAM)

Family

ID=22257582

Family Applications (1)

Application Number Title Priority Date Filing Date
NL275870D NL275870A (OSRAM) 1961-03-17

Country Status (5)

Country Link
US (1) US3183456A (OSRAM)
BE (1) BE615032A (OSRAM)
DE (1) DE1218556B (OSRAM)
GB (1) GB970891A (OSRAM)
NL (1) NL275870A (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3335373A (en) * 1964-07-20 1967-08-08 Gen Telephone & Elect Apparatus for modulating guided electromagnetic waves
US3422355A (en) * 1965-04-22 1969-01-14 Sylvania Electric Prod Parametric frequency converter for transmitting antenna
US3443247A (en) * 1966-03-31 1969-05-06 Sylvania Electric Prod Varactor modulator having a linear tuning voltage vs. frequency response

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE473522A (OSRAM) * 1946-05-28
NL224219A (OSRAM) * 1957-01-26
US3018443A (en) * 1958-05-20 1962-01-23 Rca Corp Parameric amplifier with lower frequency pumping
US2992398A (en) * 1959-01-15 1961-07-11 Rca Corp Parametric oscillator phase switching means
US3001143A (en) * 1959-02-04 1961-09-19 Avco Mfg Corp Low noise radio frequency amplifier
US2970275A (en) * 1959-05-05 1961-01-31 Rca Corp Parametric amplifier device

Also Published As

Publication number Publication date
US3183456A (en) 1965-05-11
DE1218556B (de) 1966-06-08
GB970891A (en) 1964-09-23
BE615032A (fr) 1962-07-02

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