JPS49135558A - - Google Patents

Info

Publication number
JPS49135558A
JPS49135558A JP48047856A JP4785673A JPS49135558A JP S49135558 A JPS49135558 A JP S49135558A JP 48047856 A JP48047856 A JP 48047856A JP 4785673 A JP4785673 A JP 4785673A JP S49135558 A JPS49135558 A JP S49135558A
Authority
JP
Japan
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.)
Pending
Application number
JP48047856A
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 filed Critical
Priority to JP48047856A priority Critical patent/JPS49135558A/ja
Priority to GB1821774A priority patent/GB1472884A/en
Priority to FR7414625A priority patent/FR2227683B1/fr
Priority to CA198,241A priority patent/CA996206A/en
Priority to DE2420420A priority patent/DE2420420A1/de
Publication of JPS49135558A publication Critical patent/JPS49135558A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H03C3/222—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode using bipolar 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
    • H03B2200/006—Functional aspects of oscillators
    • H03B2200/007—Generation of oscillations based on harmonic frequencies, e.g. overtone oscillators
    • 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
    • H03B5/362—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 being a single transistor
    • 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
    • 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

  • Oscillators With Electromechanical Resonators (AREA)
JP48047856A 1973-04-27 1973-04-27 Pending JPS49135558A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP48047856A JPS49135558A (ja) 1973-04-27 1973-04-27
GB1821774A GB1472884A (en) 1973-04-27 1974-04-25 Crystal oscillator modulating circuit
FR7414625A FR2227683B1 (ja) 1973-04-27 1974-04-26
CA198,241A CA996206A (en) 1973-04-27 1974-04-26 Crystal oscillation modulating circuit
DE2420420A DE2420420A1 (de) 1973-04-27 1974-04-26 Quarzoszillator-modulationsschaltung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48047856A JPS49135558A (ja) 1973-04-27 1973-04-27

Publications (1)

Publication Number Publication Date
JPS49135558A true JPS49135558A (ja) 1974-12-27

Family

ID=12786999

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48047856A Pending JPS49135558A (ja) 1973-04-27 1973-04-27

Country Status (5)

Country Link
JP (1) JPS49135558A (ja)
CA (1) CA996206A (ja)
DE (1) DE2420420A1 (ja)
FR (1) FR2227683B1 (ja)
GB (1) GB1472884A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57166704A (en) * 1981-04-06 1982-10-14 Nec Corp Voltage-controlled oscillator
JP2007049254A (ja) * 2005-08-08 2007-02-22 Nippon Dempa Kogyo Co Ltd 水晶発振器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904045C2 (de) * 1979-02-02 1982-04-15 Siemens AG, 1000 Berlin und 8000 München Quarzoszillator mit gemischt induktiver und kapazitiver Schwingfrequenzsteuerung
IT1137411B (it) * 1981-03-05 1986-09-10 Italtel Spa Circuito per segnali ad altissima frequenza comprendente almeno una microstriscia
JPH06188729A (ja) * 1992-12-16 1994-07-08 Murata Mfg Co Ltd ノイズ除去回路および電圧制御形発振回路
GB0724475D0 (en) * 2007-12-14 2008-01-30 Acp Advanced Circuit Pursuit A Variable inductor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925561A (en) * 1955-07-01 1960-02-16 Motorola Inc Crystal oscillator system
US3382463A (en) * 1967-02-20 1968-05-07 Damon Eng Inc Variable frequency voltage controlled crystal oscillator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925561A (en) * 1955-07-01 1960-02-16 Motorola Inc Crystal oscillator system
US3382463A (en) * 1967-02-20 1968-05-07 Damon Eng Inc Variable frequency voltage controlled crystal oscillator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57166704A (en) * 1981-04-06 1982-10-14 Nec Corp Voltage-controlled oscillator
JP2007049254A (ja) * 2005-08-08 2007-02-22 Nippon Dempa Kogyo Co Ltd 水晶発振器

Also Published As

Publication number Publication date
FR2227683B1 (ja) 1978-06-02
DE2420420A1 (de) 1974-11-07
CA996206A (en) 1976-08-31
GB1472884A (en) 1977-05-11
FR2227683A1 (ja) 1974-11-22

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