DK121059B - Afstemningskobling. - Google Patents
Afstemningskobling.Info
- Publication number
- DK121059B DK121059B DK598368AA DK598368A DK121059B DK 121059 B DK121059 B DK 121059B DK 598368A A DK598368A A DK 598368AA DK 598368 A DK598368 A DK 598368A DK 121059 B DK121059 B DK 121059B
- Authority
- DK
- Denmark
- Prior art keywords
- voting link
- voting
- link
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive 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
- H03B5/1203—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
- H03B5/1206—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 using multiple transistors for amplification
- H03B5/1221—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 using multiple transistors for amplification the amplifier comprising multiple amplification stages connected in cascade
-
- 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
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
- H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
-
- 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
- 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 |
---|---|---|---|
DE1967P0043575 DE1296226C2 (de) | 1967-12-09 | 1967-12-09 | Abstimm-schaltungsanordnung mit einer schaltdiode |
Publications (1)
Publication Number | Publication Date |
---|---|
DK121059B true DK121059B (da) | 1971-08-30 |
Family
ID=7379595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK598368AA DK121059B (da) | 1967-12-09 | 1968-12-06 | Afstemningskobling. |
Country Status (13)
Country | Link |
---|---|
US (1) | US3611154A (da) |
AT (1) | AT282714B (da) |
BR (1) | BR6804672D0 (da) |
CH (1) | CH480761A (da) |
DE (1) | DE1296226C2 (da) |
DK (1) | DK121059B (da) |
ES (1) | ES361193A1 (da) |
FR (1) | FR1596827A (da) |
GB (1) | GB1236630A (da) |
NL (1) | NL145422B (da) |
NO (1) | NO126409B (da) |
SE (1) | SE338351B (da) |
YU (1) | YU31500B (da) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5133683B1 (da) * | 1971-06-17 | 1976-09-21 | ||
JPS4934262A (da) * | 1972-07-28 | 1974-03-29 | ||
JPS4955209A (da) * | 1972-09-29 | 1974-05-29 | ||
JPS5313304Y2 (da) * | 1972-11-25 | 1978-04-11 | ||
DE2412689C3 (de) * | 1974-03-16 | 1978-04-27 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zur Abstimmung und Bereichs- bzw. Bandumschaltung eines HF-Schwingungskreises |
US3903487A (en) * | 1974-05-01 | 1975-09-02 | Gte International Inc | Multi-circuit selection filter for two different frequency ranges |
US4135158A (en) * | 1975-06-02 | 1979-01-16 | Motorola, Inc. | Universal automotive electronic radio |
US4097822A (en) * | 1976-08-09 | 1978-06-27 | Hewlett-Packard Company | Broad-band cavity-tuned transistor oscillator |
DE2828838C2 (de) * | 1977-07-01 | 1983-10-20 | Hitachi, Ltd., Tokyo | HF-Eingangsschaltung für Fernsehempfänger |
DE2831628C3 (de) * | 1978-07-19 | 1981-05-27 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Spannungsgesteuerter Oszillator |
US4271529A (en) * | 1980-03-20 | 1981-06-02 | Zenith Radio Corporation | Tunable resonant circuits for a multi-band VHF/UHF/CATV tuner |
US4368541A (en) * | 1980-06-30 | 1983-01-11 | Evans Robert M | Multiplexing arrangement for a plurality of voltage controlled filters |
US4363135A (en) * | 1980-10-27 | 1982-12-07 | Zenith Radio Corporation | Four band VHF varactor tuner |
DE3210454A1 (de) * | 1982-03-22 | 1983-09-22 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Empfaenger-eingangsschaltung |
US4442548A (en) * | 1982-05-14 | 1984-04-10 | Rca Corporation | Television receiver tuning circuit tunable over a wide frequency range |
US4486723A (en) * | 1983-01-06 | 1984-12-04 | Rca Corporation | Diode switching system for a selectable impedance matching network |
JPS59171439U (ja) * | 1983-04-28 | 1984-11-16 | アルプス電気株式会社 | Vhfチユ−ナ |
JPS6090411A (ja) * | 1983-10-07 | 1985-05-21 | Hitachi Ltd | フイルタ集積回路 |
US4528698A (en) * | 1983-12-22 | 1985-07-09 | Motorola, Inc. | Tuning system for RF receiver |
NL8401174A (nl) * | 1984-04-12 | 1985-11-01 | Philips Nv | Afsteminrichting. |
DE3507865A1 (de) * | 1985-03-06 | 1986-09-11 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung fuer einen tuner zur umschaltung mehrerer frequenzbereiche |
US4837852A (en) * | 1985-06-17 | 1989-06-06 | Toko, Inc. | Electronic tuning circuit for AM receiver which is easy to effect tracking adjustment |
GB2181006A (en) * | 1985-09-28 | 1987-04-08 | Motorola Ltd | Two-way radios |
US4713631A (en) * | 1986-01-06 | 1987-12-15 | Motorola Inc. | Varactor tuning circuit having plural selectable bias voltages |
JPS62155517U (da) * | 1986-03-25 | 1987-10-02 | ||
US4783849A (en) * | 1986-11-26 | 1988-11-08 | Rca Licensing Corporation | FET tuner |
DE3939742C1 (da) * | 1989-12-01 | 1990-12-06 | Telefunken Electronic Gmbh, 7100 Heilbronn, De | |
CN1066885C (zh) * | 1995-01-04 | 2001-06-06 | 船井电机株式会社 | 包括射频转换器、调谐器和中频放大器的电路器件 |
US5739730A (en) * | 1995-12-22 | 1998-04-14 | Microtune, Inc. | Voltage controlled oscillator band switching technique |
US5995814A (en) * | 1997-06-13 | 1999-11-30 | Lucent Technologies Inc. | Single-stage dual-band low-noise amplifier for use in a wireless communication system receiver |
DE19960986A1 (de) * | 1999-12-17 | 2001-07-05 | Bosch Gmbh Robert | Umschaltbare Eingangsschaltung für einen Radioempfänger |
DE10337981A1 (de) * | 2003-08-19 | 2005-03-17 | Deutsche Thomson-Brandt Gmbh | Schaltbarer abstimmbarer Schwingkreis mit reduzierten parasitären Kapazitäten |
US7173505B2 (en) * | 2003-10-23 | 2007-02-06 | Broadcom Corporation | Tuning RF circuits using switched inductors provided in a monolithic integrated circuit |
US7426373B2 (en) * | 2005-01-11 | 2008-09-16 | The Boeing Company | Electrically tuned resonance circuit using piezo and magnetostrictive materials |
US8126410B2 (en) * | 2007-06-07 | 2012-02-28 | Vishay Intertechnology, Inc. | Miniature sub-resonant multi-band VHF-UHF antenna |
US8583065B2 (en) * | 2007-06-07 | 2013-11-12 | Vishay Intertechnology, Inc. | Digitally controlled antenna tuning circuit for radio frequency receivers |
US8237456B2 (en) * | 2009-03-02 | 2012-08-07 | Atmel Corporation | Capacitive sensing |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2936428A (en) * | 1958-05-08 | 1960-05-10 | Julius Karl Goerler Transforma | Oscillator having voltage-sensitive tuning capacitor biased by oscillator grid self-bias and external signal |
DE1266373C2 (de) * | 1964-02-01 | 1973-05-24 | Telefunken Patent | Abstimmeinrichtung fuer mehrere getrennte Frequenzbereiche |
US3354397A (en) * | 1964-02-12 | 1967-11-21 | Standard Kollsman Ind Inc | Voltage variable diode capacitance tunable circuit for television apparatus |
US3321715A (en) * | 1964-09-25 | 1967-05-23 | Martin B Bloch | Crystal oscillator circuit using feedback control techniques |
-
1967
- 1967-12-09 DE DE1967P0043575 patent/DE1296226C2/de not_active Expired
-
1968
- 1968-12-04 NL NL686817328A patent/NL145422B/xx not_active IP Right Cessation
- 1968-12-06 BR BR204672/68A patent/BR6804672D0/pt unknown
- 1968-12-06 GB GB58091/68A patent/GB1236630A/en not_active Expired
- 1968-12-06 AT AT1190468A patent/AT282714B/de not_active IP Right Cessation
- 1968-12-06 DK DK598368AA patent/DK121059B/da not_active IP Right Cessation
- 1968-12-06 CH CH1831468A patent/CH480761A/de not_active IP Right Cessation
- 1968-12-06 SE SE16736/68A patent/SE338351B/xx unknown
- 1968-12-06 NO NO684895A patent/NO126409B/no unknown
- 1968-12-07 ES ES361193A patent/ES361193A1/es not_active Expired
- 1968-12-09 YU YU2915/68A patent/YU31500B/xx unknown
- 1968-12-09 FR FR1596827D patent/FR1596827A/fr not_active Expired
-
1970
- 1970-02-24 US US13589A patent/US3611154A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE1296226B (de) | 1978-03-16 |
SE338351B (da) | 1971-09-06 |
ES361193A1 (es) | 1970-11-01 |
DE1296226C2 (de) | 1978-03-16 |
BR6804672D0 (pt) | 1973-04-17 |
NO126409B (da) | 1973-01-29 |
US3611154A (en) | 1971-10-05 |
FR1596827A (da) | 1970-06-22 |
YU31500B (en) | 1973-06-30 |
AT282714B (de) | 1970-07-10 |
NL6817328A (da) | 1969-06-11 |
NL145422B (nl) | 1975-03-17 |
GB1236630A (en) | 1971-06-23 |
CH480761A (de) | 1969-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUP | Patent expired |