DE2801854C2 - Monolithisch integrierter, spannungsgesteuerter Kristalloszillator - Google Patents

Monolithisch integrierter, spannungsgesteuerter Kristalloszillator

Info

Publication number
DE2801854C2
DE2801854C2 DE2801854A DE2801854A DE2801854C2 DE 2801854 C2 DE2801854 C2 DE 2801854C2 DE 2801854 A DE2801854 A DE 2801854A DE 2801854 A DE2801854 A DE 2801854A DE 2801854 C2 DE2801854 C2 DE 2801854C2
Authority
DE
Germany
Prior art keywords
transistor
differential amplifier
capacitor
output
voltage
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.)
Expired
Application number
DE2801854A
Other languages
German (de)
English (en)
Other versions
DE2801854A1 (de
Inventor
Michael John Chancy Genf Gay
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 DE2801854A1 publication Critical patent/DE2801854A1/de
Application granted granted Critical
Publication of DE2801854C2 publication Critical patent/DE2801854C2/de
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
    • 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)
DE2801854A 1977-01-24 1978-01-17 Monolithisch integrierter, spannungsgesteuerter Kristalloszillator Expired DE2801854C2 (de)

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
DE2801854A1 DE2801854A1 (de) 1978-07-27
DE2801854C2 true DE2801854C2 (de) 1985-01-24

Family

ID=25062555

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2801854A Expired DE2801854C2 (de) 1977-01-24 1978-01-17 Monolithisch integrierter, spannungsgesteuerter Kristalloszillator

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3918061A1 (de) * 1989-06-02 1990-12-06 Philips Patentverwaltung Oszillator

Families Citing this family (7)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3918061A1 (de) * 1989-06-02 1990-12-06 Philips Patentverwaltung Oszillator

Also Published As

Publication number Publication date
DE2801854A1 (de) 1978-07-27
GB1562371A (en) 1980-03-12
FR2378400A1 (fr) 1978-08-18
JPS5392651A (en) 1978-08-14
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
OAP Request for examination filed
OD Request for examination
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee