DE3853983D1 - Elektronischer Oszillator. - Google Patents

Elektronischer Oszillator.

Info

Publication number
DE3853983D1
DE3853983D1 DE3853983T DE3853983T DE3853983D1 DE 3853983 D1 DE3853983 D1 DE 3853983D1 DE 3853983 T DE3853983 T DE 3853983T DE 3853983 T DE3853983 T DE 3853983T DE 3853983 D1 DE3853983 D1 DE 3853983D1
Authority
DE
Germany
Prior art keywords
electronic oscillator
oscillator
electronic
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 - Fee Related
Application number
DE3853983T
Other languages
English (en)
Other versions
DE3853983T2 (de
Inventor
David M Embree
Shawn M Logan
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.)
AT&T Corp
Original Assignee
AT&T Corp
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
Priority claimed from US07/126,131 external-priority patent/US4853655A/en
Application filed by AT&T Corp filed Critical AT&T Corp
Publication of DE3853983D1 publication Critical patent/DE3853983D1/de
Application granted granted Critical
Publication of DE3853983T2 publication Critical patent/DE3853983T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03B5/368—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 the means being voltage variable capacitance 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
    • 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
    • H03B5/364—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 the amplifier comprising field effect transistors
    • 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
    • H03B2200/003—Circuit elements of oscillators
    • H03B2200/0034—Circuit elements of oscillators including a buffer amplifier
    • 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
    • H03B2200/0062—Bias and operating point
    • 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
    • H03B2200/0064—Pulse width, duty cycle or on/off ratio
DE3853983T 1987-11-27 1988-11-25 Elektronischer Oszillator. Expired - Fee Related DE3853983T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/126,131 US4853655A (en) 1987-11-27 1987-11-27 High frequency CMOS oscillator
US07/266,686 US4887053A (en) 1987-11-27 1988-11-07 High frequency VLSI oscillator

Publications (2)

Publication Number Publication Date
DE3853983D1 true DE3853983D1 (de) 1995-07-20
DE3853983T2 DE3853983T2 (de) 1995-12-21

Family

ID=26824318

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3853983T Expired - Fee Related DE3853983T2 (de) 1987-11-27 1988-11-25 Elektronischer Oszillator.

Country Status (4)

Country Link
US (1) US4887053A (de)
EP (1) EP0318320B1 (de)
CA (1) CA1311811C (de)
DE (1) DE3853983T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3001284B2 (ja) * 1991-04-23 2000-01-24 日本電気株式会社 電圧制御発振システム
US5481228A (en) * 1993-10-15 1996-01-02 Hewlett-Packard Corporation Method and apparatus for controlling oscillator duty cycle
EP0690558B1 (de) * 1994-07-01 2001-03-14 STMicroelectronics S.r.l. Integrierter Crystal-Oszillator mit einem einzigen Anschluss
US5534826A (en) 1994-10-24 1996-07-09 At&T Corp. Oscillator with increased reliability start up
US5477197A (en) * 1994-10-24 1995-12-19 At&T Corp. Voltage controlled oscillator with improved voltage versus frequency characteristic
SE515783C2 (sv) * 1997-09-11 2001-10-08 Ericsson Telefon Ab L M Elektriska anordningar jämte förfarande för deras tillverkning

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4152675A (en) * 1978-04-03 1979-05-01 Motorola, Inc. Crystal oscillator with adjustable duty cycle
CH640693B (fr) * 1980-07-21 Asulab Sa Circuit oscillateur c-mos.
US4400812A (en) * 1981-06-15 1983-08-23 Santa Barbara Research Center Laser drive circuits
US4388536A (en) * 1982-06-21 1983-06-14 General Electric Company Pulse generator for IC fabrication
JPS6020394A (ja) * 1983-07-14 1985-02-01 Ricoh Co Ltd 電源切換回路
US4527131A (en) * 1983-12-22 1985-07-02 Motorola, Inc. Oscillating circuit exhibiting tolerance to crystal impedance variations

Also Published As

Publication number Publication date
EP0318320A3 (en) 1990-08-22
EP0318320A2 (de) 1989-05-31
US4887053A (en) 1989-12-12
DE3853983T2 (de) 1995-12-21
CA1311811C (en) 1992-12-22
EP0318320B1 (de) 1995-06-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee