GB2047491B - Oscillator mode suppression apparatus having bandpass effect - Google Patents

Oscillator mode suppression apparatus having bandpass effect

Info

Publication number
GB2047491B
GB2047491B GB7939074A GB7939074A GB2047491B GB 2047491 B GB2047491 B GB 2047491B GB 7939074 A GB7939074 A GB 7939074A GB 7939074 A GB7939074 A GB 7939074A GB 2047491 B GB2047491 B GB 2047491B
Authority
GB
United Kingdom
Prior art keywords
suppression apparatus
mode suppression
oscillator mode
bandpass effect
bandpass
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
GB7939074A
Other versions
GB2047491A (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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of GB2047491A publication Critical patent/GB2047491A/en
Application granted granted Critical
Publication of GB2047491B publication Critical patent/GB2047491B/en
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
    • 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
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • 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
    • H03B2200/0002—Types of oscillators
    • H03B2200/0012—Pierce oscillator
GB7939074A 1979-04-02 1979-11-12 Oscillator mode suppression apparatus having bandpass effect Expired GB2047491B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2627679A 1979-04-02 1979-04-02

Publications (2)

Publication Number Publication Date
GB2047491A GB2047491A (en) 1980-11-26
GB2047491B true GB2047491B (en) 1983-08-24

Family

ID=21830876

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7939074A Expired GB2047491B (en) 1979-04-02 1979-11-12 Oscillator mode suppression apparatus having bandpass effect

Country Status (6)

Country Link
JP (1) JPS55133107A (en)
CA (1) CA1132209A (en)
DE (1) DE3002590C2 (en)
GB (1) GB2047491B (en)
HK (1) HK20386A (en)
SG (1) SG100185G (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3339512A1 (en) * 1983-10-31 1985-05-09 Siemens AG, 1000 Berlin und 8000 München Harmonic crystal oscillator having a capacitive three-point circuit
US5505235A (en) * 1994-02-22 1996-04-09 Gorokhovsky; Mark Container having a breakable pouring cap
JP3283493B2 (en) * 1999-02-02 2002-05-20 東洋通信機株式会社 High stability piezoelectric oscillator
US6909334B2 (en) 2001-03-08 2005-06-21 Rf Monolithics, Inc. Low phase noise, wide tune range saw oscillators and methods of operating the same
US6914493B2 (en) 2001-03-08 2005-07-05 Rf Monolithics, Inc. Noise resistant low phase noise, frequency tracking oscillators and methods of operating the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53131745A (en) * 1977-04-22 1978-11-16 Seiko Instr & Electronics Ltd Oscillator circuit
JPS54121645A (en) * 1978-03-14 1979-09-20 Nec Corp Piezo-oscillator

Also Published As

Publication number Publication date
HK20386A (en) 1986-03-27
DE3002590A1 (en) 1980-10-16
GB2047491A (en) 1980-11-26
DE3002590C2 (en) 1985-06-05
JPS6412402B2 (en) 1989-02-28
JPS55133107A (en) 1980-10-16
SG100185G (en) 1986-07-25
CA1132209A (en) 1982-09-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921112