SE380692B - Oscillatoranordning med kapacitiv avstemning. - Google Patents
Oscillatoranordning med kapacitiv avstemning.Info
- Publication number
- SE380692B SE380692B SE7215369A SE1536972A SE380692B SE 380692 B SE380692 B SE 380692B SE 7215369 A SE7215369 A SE 7215369A SE 1536972 A SE1536972 A SE 1536972A SE 380692 B SE380692 B SE 380692B
- Authority
- SE
- Sweden
- Prior art keywords
- oscillator device
- capacitive tuning
- tuning
- capacitive
- oscillator
- Prior art date
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
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2158691A DE2158691A1 (de) | 1971-11-26 | 1971-11-26 | Oszillatoranordnung mit kapazitiver abstimmung und elektronischer bereichsumschaltung |
Publications (1)
Publication Number | Publication Date |
---|---|
SE380692B true SE380692B (sv) | 1975-11-10 |
Family
ID=5826230
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7215369A SE380692B (sv) | 1971-11-26 | 1972-11-24 | Oscillatoranordning med kapacitiv avstemning. |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT323822B (sv) |
DE (1) | DE2158691A1 (sv) |
FR (1) | FR2160866B3 (sv) |
IT (1) | IT973728B (sv) |
SE (1) | SE380692B (sv) |
ZA (1) | ZA728325B (sv) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2558121C2 (de) * | 1975-12-23 | 1982-08-26 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung zur Frequenzbereichumschaltung durch An- und Abschalten einer Impedanz |
DE3321725A1 (de) * | 1983-06-16 | 1984-12-20 | Telefunken electronic GmbH, 7100 Heilbronn | Tuner fuer wenigstens zwei frequenzbereiche |
US4593257A (en) * | 1985-02-28 | 1986-06-03 | Rca Corporation | Multiband local oscillator |
DE10337981A1 (de) * | 2003-08-19 | 2005-03-17 | Deutsche Thomson-Brandt Gmbh | Schaltbarer abstimmbarer Schwingkreis mit reduzierten parasitären Kapazitäten |
-
1971
- 1971-11-26 DE DE2158691A patent/DE2158691A1/de active Pending
-
1972
- 1972-10-31 AT AT927872A patent/AT323822B/de not_active IP Right Cessation
- 1972-11-17 FR FR7240867A patent/FR2160866B3/fr not_active Expired
- 1972-11-24 SE SE7215369A patent/SE380692B/sv unknown
- 1972-11-24 IT IT54277/72A patent/IT973728B/it active
- 1972-11-24 ZA ZA728325A patent/ZA728325B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ZA728325B (en) | 1973-07-25 |
DE2158691A1 (de) | 1973-05-30 |
FR2160866B3 (sv) | 1978-02-10 |
FR2160866A1 (sv) | 1973-07-06 |
AT323822B (de) | 1975-07-25 |
IT973728B (it) | 1974-06-10 |
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