FR2378400A1 - Oscillateur commande en tension - Google Patents

Oscillateur commande en tension

Info

Publication number
FR2378400A1
FR2378400A1 FR7801934A FR7801934A FR2378400A1 FR 2378400 A1 FR2378400 A1 FR 2378400A1 FR 7801934 A FR7801934 A FR 7801934A FR 7801934 A FR7801934 A FR 7801934A FR 2378400 A1 FR2378400 A1 FR 2378400A1
Authority
FR
France
Prior art keywords
transistors
voltage control
control oscillator
oscillator
capacitor
Prior art date
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
FR7801934A
Other languages
English (en)
French (fr)
Other versions
FR2378400B1 (en, 2012
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of FR2378400A1 publication Critical patent/FR2378400A1/fr
Application granted granted Critical
Publication of FR2378400B1 publication Critical patent/FR2378400B1/fr
Granted 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
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
    • H03B5/366—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device and comprising means for varying the frequency by a variable voltage or current

Landscapes

  • Oscillators With Electromechanical Resonators (AREA)
  • Processing Of Color Television Signals (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
FR7801934A 1977-01-24 1978-01-24 Oscillateur commande en tension Granted FR2378400A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/761,551 US4081766A (en) 1977-01-24 1977-01-24 Crystal tuned voltage controlled oscillator

Publications (2)

Publication Number Publication Date
FR2378400A1 true FR2378400A1 (fr) 1978-08-18
FR2378400B1 FR2378400B1 (en, 2012) 1981-09-11

Family

ID=25062555

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7801934A Granted FR2378400A1 (fr) 1977-01-24 1978-01-24 Oscillateur commande en tension

Country Status (5)

Country Link
US (1) US4081766A (en, 2012)
JP (1) JPS6031282B2 (en, 2012)
DE (1) DE2801854C2 (en, 2012)
FR (1) FR2378400A1 (en, 2012)
GB (1) GB1562371A (en, 2012)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214252A (en) * 1977-08-06 1980-07-22 U.S. Philips Corporation Semiconductor device having a MOS-capacitor
US4286235A (en) * 1979-06-25 1981-08-25 Rca Corporation VFO having plural feedback loops
JPS56164416A (en) * 1980-05-21 1981-12-17 Usac Electronics Ind Co Ltd Constant current control circuit
GB2147753A (en) * 1983-10-07 1985-05-15 Philips Electronic Associated Voltage controlled oscillator
GB2152312B (en) * 1983-11-01 1987-04-23 Motorola Inc Oscillator circuit
US4600899A (en) * 1985-02-11 1986-07-15 General Motors Corporation Dual mode crystal phase shift transistor oscillator
DE3918061C2 (de) * 1989-06-02 1997-05-28 Philips Patentverwaltung Oszillator
US6873838B2 (en) 2001-05-08 2005-03-29 Robert Bosch Corporation Superregenerative oscillator RF receiver with differential output

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3691475A (en) * 1970-07-24 1972-09-12 Hitachi Ltd Voltage controlled oscillator
US3763439A (en) * 1972-08-21 1973-10-02 Gen Electric Voltage controlled oscillator for integrated circuit fabrication
US3973221A (en) * 1975-04-07 1976-08-03 Motorola, Inc. Voltage controlled crystal oscillator apparatus

Also Published As

Publication number Publication date
DE2801854A1 (de) 1978-07-27
GB1562371A (en) 1980-03-12
JPS5392651A (en) 1978-08-14
DE2801854C2 (de) 1985-01-24
FR2378400B1 (en, 2012) 1981-09-11
JPS6031282B2 (ja) 1985-07-22
US4081766A (en) 1978-03-28

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Legal Events

Date Code Title Description
ST Notification of lapse