JPS4934262A - - Google Patents

Info

Publication number
JPS4934262A
JPS4934262A JP47075683A JP7568372A JPS4934262A JP S4934262 A JPS4934262 A JP S4934262A JP 47075683 A JP47075683 A JP 47075683A JP 7568372 A JP7568372 A JP 7568372A JP S4934262 A JPS4934262 A JP S4934262A
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
JP47075683A
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 JP47075683A priority Critical patent/JPS4934262A/ja
Priority to US00379115A priority patent/US3813615A/en
Publication of JPS4934262A publication Critical patent/JPS4934262A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
    • H03J5/244—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means
    • 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
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1203—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance 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
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1231—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more 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
    • 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
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1237—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
    • H03B5/124—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance
    • H03B5/1243—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance the means comprising 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
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
    • H03B5/1237—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
    • H03B5/1262—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising switched elements
    • 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
    • H03B2200/004—Circuit elements of oscillators including a variable capacitance, e.g. a varicap, a varactor or a variable capacitance of a diode or 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
    • H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
    • H03B2200/003—Circuit elements of oscillators
    • H03B2200/0048—Circuit elements of oscillators including measures to switch the frequency band, e.g. by harmonic selection
    • 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
    • H03B2200/0056—Circuit elements of oscillators including a diode used for switching
    • 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
    • H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
    • H03B2201/02—Varying the frequency of the oscillations by electronic means
    • H03B2201/0208—Varying the frequency of the oscillations by electronic means the means being an element with a variable capacitance, e.g. capacitance diode
JP47075683A 1972-07-28 1972-07-28 Pending JPS4934262A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP47075683A JPS4934262A (ja) 1972-07-28 1972-07-28
US00379115A US3813615A (en) 1972-07-28 1973-07-13 Local oscillator for television tuner having reduced oscillation voltage variation between high and low frequency bands

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47075683A JPS4934262A (ja) 1972-07-28 1972-07-28

Publications (1)

Publication Number Publication Date
JPS4934262A true JPS4934262A (ja) 1974-03-29

Family

ID=13583225

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47075683A Pending JPS4934262A (ja) 1972-07-28 1972-07-28

Country Status (2)

Country Link
US (1) US3813615A (ja)
JP (1) JPS4934262A (ja)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50155947U (ja) * 1974-06-07 1975-12-24
JPS52101313U (ja) * 1976-01-27 1977-08-01
JPS52135034U (ja) * 1976-04-07 1977-10-14
JPS5368552A (en) * 1976-12-01 1978-06-19 Hitachi Ltd Local oscillation circuit for vhf tuner
JPS5392361U (ja) * 1977-12-22 1978-07-28
JPS5392360U (ja) * 1977-12-22 1978-07-28
JPS5453355U (ja) * 1977-09-22 1979-04-13
JPS57166704A (en) * 1981-04-06 1982-10-14 Nec Corp Voltage-controlled oscillator

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4955209A (ja) * 1972-09-29 1974-05-29
DE2412689C3 (de) * 1974-03-16 1978-04-27 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur Abstimmung und Bereichs- bzw. Bandumschaltung eines HF-Schwingungskreises
JPS5516461B2 (ja) * 1974-03-25 1980-05-02
US4150343A (en) * 1975-01-10 1979-04-17 Lasag Ag Method for generating laser pulses by means of a gas laser and apparatus for carrying out the method
DE2558121C2 (de) * 1975-12-23 1982-08-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zur Frequenzbereichumschaltung durch An- und Abschalten einer Impedanz
US4066983A (en) * 1976-12-02 1978-01-03 Raytheon Company Voltage controlled Clapp oscillator having output isolated from tuned circuit
US4380827A (en) * 1981-09-21 1983-04-19 Zenith Radio Corporation Oscillator for television tuner
JPS59171439U (ja) * 1983-04-28 1984-11-16 アルプス電気株式会社 Ｖｈｆチユ−ナ
US4593257A (en) * 1985-02-28 1986-06-03 Rca Corporation Multiband local oscillator
US4602222A (en) * 1985-04-19 1986-07-22 General Electric Company Circuit for bandswitching a voltage controlled oscillator
US4621241A (en) * 1985-06-07 1986-11-04 Vari-L Company, Inc. Wide range electronic oscillator
DE3690396C2 (ja) * 1985-07-30 1989-11-02 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka, Jp
US4999589A (en) * 1988-06-29 1991-03-12 Hewlett-Packard Company Low phase noise voltage controlled oscillator
FR2704109A1 (fr) * 1993-04-14 1994-10-21 Philips Composants Oscillateur à fréquence commandée par tension.
DE4418432A1 (de) * 1994-05-26 1995-11-30 Siemens Ag Frequenzveränderbare Oszillatoranordnung
DE19520244A1 (de) * 1995-06-02 1996-12-05 Philips Patentverwaltung Oszillator
KR0153379B1 (ko) * 1995-09-26 1998-11-16 김광호 디지탈 무선통신시스템의 업/다운컨버터용 전압제어발진기
US5675478A (en) * 1996-07-15 1997-10-07 Vari-L Company, Inc. Oscillator voltage regulator
US6674333B1 (en) 2002-10-15 2004-01-06 Motorola, Inc. Band switchable voltage controlled oscillator with substantially constant tuning range
US8912854B2 (en) * 2013-01-04 2014-12-16 International Business Machines Corporation Structure for an inductor-capacitor voltage-controlled oscillator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354397A (en) * 1964-02-12 1967-11-21 Standard Kollsman Ind Inc Voltage variable diode capacitance tunable circuit for television apparatus
DE1296226C2 (de) * 1967-12-09 1978-03-16 Philips" Patentverwaltung GmbH, 2000 Hamburg Abstimm-schaltungsanordnung mit einer schaltdiode
US3723906A (en) * 1971-02-26 1973-03-27 Zenith Radio Corp Uhf oscillator

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50155947U (ja) * 1974-06-07 1975-12-24
JPS52101313U (ja) * 1976-01-27 1977-08-01
JPS5525569Y2 (ja) * 1976-01-27 1980-06-19
JPS52135034U (ja) * 1976-04-07 1977-10-14
JPS5368552A (en) * 1976-12-01 1978-06-19 Hitachi Ltd Local oscillation circuit for vhf tuner
JPS5453355U (ja) * 1977-09-22 1979-04-13
JPS5392361U (ja) * 1977-12-22 1978-07-28
JPS5392360U (ja) * 1977-12-22 1978-07-28
JPS57166704A (en) * 1981-04-06 1982-10-14 Nec Corp Voltage-controlled oscillator

Also Published As

Publication number Publication date
US3813615A (en) 1974-05-28

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