DE1591764B2 - Oscillator circuit having a capacitively tunable parallel resonant circuit - Google Patents

Oscillator circuit having a capacitively tunable parallel resonant circuit

Info

Publication number
DE1591764B2
DE1591764B2 DE19671591764 DE1591764A DE1591764B2 DE 1591764 B2 DE1591764 B2 DE 1591764B2 DE 19671591764 DE19671591764 DE 19671591764 DE 1591764 A DE1591764 A DE 1591764A DE 1591764 B2 DE1591764 B2 DE 1591764B2
Authority
DE
Germany
Prior art keywords
parallel resonant
circuit
tunable parallel
resonant circuit
oscillator circuit
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.)
Withdrawn
Application number
DE19671591764
Other languages
German (de)
Other versions
DE1591764A1 (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.)
Telefunken Electronic GmbH
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 DET0035466 priority Critical
Publication of DE1591764A1 publication Critical patent/DE1591764A1/en
Publication of DE1591764B2 publication Critical patent/DE1591764B2/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12Generation 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
    • H03B5/1231Generation 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
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12Generation 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
    • H03B5/1203Generation 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
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12Generation 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
    • H03B5/1237Generation 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
    • H03B5/124Generation 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
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03BGENERATION 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
    • H03B5/00Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/12Generation 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
    • H03B5/1237Generation 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
    • H03B5/1262Generation 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
    • H03B5/1268Generation 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 switched inductors
DE19671591764 1967-12-13 1967-12-13 Oscillator circuit having a capacitively tunable parallel resonant circuit Withdrawn DE1591764B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DET0035466 1967-12-13

Publications (2)

Publication Number Publication Date
DE1591764A1 DE1591764A1 (en) 1970-09-10
DE1591764B2 true DE1591764B2 (en) 1972-02-17

Family

ID=7559218

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19671591764 Withdrawn DE1591764B2 (en) 1967-12-13 1967-12-13 Oscillator circuit having a capacitively tunable parallel resonant circuit

Country Status (1)

Country Link
DE (1) DE1591764B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847272A1 (en) * 1978-10-31 1980-05-08 Licentia Gmbh Oscillator for VHF TV receiver - has RL circuit ensuring synchronism between oscillator and receive frequency over entire tuning range

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2558120C3 (en) * 1975-12-23 1981-09-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847272A1 (en) * 1978-10-31 1980-05-08 Licentia Gmbh Oscillator for VHF TV receiver - has RL circuit ensuring synchronism between oscillator and receive frequency over entire tuning range

Also Published As

Publication number Publication date
DE1591764A1 (en) 1970-09-10

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Legal Events

Date Code Title Description
E771 Valid patent as to the heymanns-index 1977, willingness to grant licenses
8327 Change in the person/name/address of the patent owner

Owner name: TELEFUNKEN ELECTRONIC GMBH, 7100 HEILBRONN, DE

8339 Ceased/non-payment of the annual fee