FR2227683B1 - - Google Patents

Info

Publication number
FR2227683B1
FR2227683B1 FR7414625A FR7414625A FR2227683B1 FR 2227683 B1 FR2227683 B1 FR 2227683B1 FR 7414625 A FR7414625 A FR 7414625A FR 7414625 A FR7414625 A FR 7414625A FR 2227683 B1 FR2227683 B1 FR 2227683B1
Authority
FR
France
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
FR7414625A
Other versions
FR2227683A1 (fr
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of FR2227683A1 publication Critical patent/FR2227683A1/fr
Application granted granted Critical
Publication of FR2227683B1 publication Critical patent/FR2227683B1/fr
Expired 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
FR7414625A 1973-04-27 1974-04-26 Expired FR2227683B1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2227683A1 FR2227683A1 (fr) 1974-11-22
FR2227683B1 true FR2227683B1 (fr) 1978-06-02

Family

ID=12786999

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7414625A Expired FR2227683B1 (fr) 1973-04-27 1974-04-26

Country Status (5)

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

Families Citing this family (6)

* 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
JPS57166704A (en) * 1981-04-06 1982-10-14 Nec Corp Voltage-controlled oscillator
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
JP2007049254A (ja) * 2005-08-08 2007-02-22 Nippon Dempa Kogyo Co Ltd 水晶発振器
GB0724475D0 (en) * 2007-12-14 2008-01-30 Acp Advanced Circuit Pursuit A Variable inductor

Family Cites Families (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

Also Published As

Publication number Publication date
JPS49135558A (fr) 1974-12-27
DE2420420A1 (de) 1974-11-07
CA996206A (en) 1976-08-31
GB1472884A (en) 1977-05-11
FR2227683A1 (fr) 1974-11-22

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