FR2234694A1 - - Google Patents

Info

Publication number
FR2234694A1
FR2234694A1 FR7421843A FR7421843A FR2234694A1 FR 2234694 A1 FR2234694 A1 FR 2234694A1 FR 7421843 A FR7421843 A FR 7421843A FR 7421843 A FR7421843 A FR 7421843A FR 2234694 A1 FR2234694 A1 FR 2234694A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7421843A
Other languages
French (fr)
Other versions
FR2234694B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of FR2234694A1 publication Critical patent/FR2234694A1/fr
Application granted granted Critical
Publication of FR2234694B1 publication Critical patent/FR2234694B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03B9/00—Generation of oscillations using transit-time effects
    • H03B9/12—Generation of oscillations using transit-time effects using solid state devices, e.g. Gunn-effect devices
    • H03B9/14—Generation of oscillations using transit-time effects using solid state devices, e.g. Gunn-effect devices and elements comprising distributed inductance and capacitance
    • H03B9/141—Generation of oscillations using transit-time effects using solid state devices, e.g. Gunn-effect devices and elements comprising distributed inductance and capacitance and comprising a voltage sensitive element, e.g. varactor
    • 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
    • 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
    • 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
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/007—Generation of oscillations based on harmonic frequencies, e.g. overtone oscillators
    • 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

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
FR7421843A 1973-06-25 1974-06-24 Expired FR2234694B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7308906A SE369134B (en) 1973-06-25 1973-06-25

Publications (2)

Publication Number Publication Date
FR2234694A1 true FR2234694A1 (en) 1975-01-17
FR2234694B1 FR2234694B1 (en) 1978-03-31

Family

ID=20317877

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7421843A Expired FR2234694B1 (en) 1973-06-25 1974-06-24

Country Status (7)

Country Link
JP (1) JPS5038448A (en)
CA (1) CA987750A (en)
FR (1) FR2234694B1 (en)
GB (1) GB1478896A (en)
IT (1) IT1015324B (en)
NO (1) NO132258C (en)
SE (1) SE369134B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3510800A (en) * 1967-07-24 1970-05-05 Hitachi Ltd Negative resistance oscillator stabilized with fundamental and harmonic frequency cavity resonators

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4931823A (en) * 1972-08-02 1974-03-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3510800A (en) * 1967-07-24 1970-05-05 Hitachi Ltd Negative resistance oscillator stabilized with fundamental and harmonic frequency cavity resonators

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ARTICLE DE SWAN: "IMPATT OSCILLATOR PERFORMANCE IMPROVEMENT WITH SECOND-HARMONIC TUNING" *
UE US "PROCEEDINGS OF THE IEEE" VOLUME 56, NO.9, SEPTEMBRE 1968, PAGES 1616-1617 *
UE US "THE BELL SYSTEM TECHNICAL JOURNAL", VOLUME 48,NO.1, JANVIER 1969, PAGES 143-161, ARTICLE DE LEE ET AUTRES: "FREQUENOY MODULATION OF A MULTI-WAVE IMPATT DIODE OSCILLATOR AND RELATED HARMONIC GENERATION EFFECTS") *

Also Published As

Publication number Publication date
JPS5038448A (en) 1975-04-09
IT1015324B (en) 1977-05-10
CA987750A (en) 1976-04-20
FR2234694B1 (en) 1978-03-31
SE369134B (en) 1974-08-05
NO132258B (en) 1975-06-30
NO132258C (en) 1975-10-08
DE2430431B2 (en) 1975-09-04
GB1478896A (en) 1977-07-06
DE2430431A1 (en) 1975-01-09
NO742305L (en) 1975-01-20

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Legal Events

Date Code Title Description
ST Notification of lapse