IT1090939B - Perfezionamento negli oscillatori controllati in tensione - Google Patents
Perfezionamento negli oscillatori controllati in tensioneInfo
- Publication number
- IT1090939B IT1090939B IT51887/77A IT5188777A IT1090939B IT 1090939 B IT1090939 B IT 1090939B IT 51887/77 A IT51887/77 A IT 51887/77A IT 5188777 A IT5188777 A IT 5188777A IT 1090939 B IT1090939 B IT 1090939B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- voltage controlled
- controlled oscillators
- oscillators
- voltage
- Prior art date
Links
Classifications
-
- 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
- H03B5/1203—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
- H03B5/1237—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
- H03B2200/0002—Types of oscillators
- H03B2200/0006—Clapp oscillator
-
- 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
- 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 |
---|---|---|---|
US05/746,775 US4066983A (en) | 1976-12-02 | 1976-12-02 | Voltage controlled Clapp oscillator having output isolated from tuned circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1090939B true IT1090939B (it) | 1985-06-26 |
Family
ID=25002288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT51887/77A IT1090939B (it) | 1976-12-02 | 1977-11-21 | Perfezionamento negli oscillatori controllati in tensione |
Country Status (7)
Country | Link |
---|---|
US (1) | US4066983A (it) |
JP (1) | JPS5369570A (it) |
CA (1) | CA1085939A (it) |
DE (1) | DE2753629A1 (it) |
FR (1) | FR2373187A1 (it) |
GB (1) | GB1542233A (it) |
IT (1) | IT1090939B (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56118231A (en) * | 1980-02-21 | 1981-09-17 | Kenichi Hayashida | Oscillation type proximity switch for automatic door |
DE3246295C2 (de) * | 1982-12-14 | 1986-11-27 | Siemens AG, 1000 Berlin und 8000 München | Frequenzmodulierbarer Oszillator |
DE3332328A1 (de) * | 1983-09-08 | 1985-03-28 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Selektive, transistorisierte, an eine antenne angeschlossene hf-stufe |
US4638180A (en) * | 1984-03-09 | 1987-01-20 | Matsushita Electric Industrial Co., Ltd. | Frequency divider circuits |
JPS63212340A (ja) * | 1986-10-29 | 1988-09-05 | 住友ベークライト株式会社 | ハンドピ−ス |
JPH0445691Y2 (it) * | 1987-05-12 | 1992-10-27 | ||
US5144264A (en) * | 1991-11-01 | 1992-09-01 | Motorola, Inc. | Wideband voltage controlled oscillator having open loop gain compensation |
KR0153379B1 (ko) * | 1995-09-26 | 1998-11-16 | 김광호 | 디지탈 무선통신시스템의 업/다운컨버터용 전압제어발진기 |
US6504443B1 (en) | 2000-05-17 | 2003-01-07 | Nec America, Inc., | Common anode varactor tuned LC circuit |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2930002A (en) * | 1957-06-24 | 1960-03-22 | Rca Corp | Oscillator |
US3855553A (en) * | 1966-11-03 | 1974-12-17 | Us Army | Modulated transistor oscillators |
US3397365A (en) * | 1967-05-22 | 1968-08-13 | Kruse Storke Electronics | Oscillator with separate voltage controls for narrow and wide range tuning |
DE1922538C3 (de) * | 1968-05-20 | 1980-01-24 | Siemens Ag | Schwingungserzeuger für sehr kurze elektromagnetische Wellen |
CH494495A (de) * | 1968-07-17 | 1970-07-31 | Siemens Ag | Transistoroszillator |
DE2017344C3 (de) * | 1970-04-10 | 1973-09-27 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Durchstimmbarer Transistoroszillator |
JPS4934262A (it) * | 1972-07-28 | 1974-03-29 |
-
1976
- 1976-12-02 US US05/746,775 patent/US4066983A/en not_active Expired - Lifetime
-
1977
- 1977-11-07 CA CA290,319A patent/CA1085939A/en not_active Expired
- 1977-11-16 GB GB7747738A patent/GB1542233A/en not_active Expired
- 1977-11-21 IT IT51887/77A patent/IT1090939B/it active
- 1977-12-01 DE DE19772753629 patent/DE2753629A1/de active Granted
- 1977-12-02 JP JP14491877A patent/JPS5369570A/ja active Granted
- 1977-12-02 FR FR7736426A patent/FR2373187A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2373187A1 (fr) | 1978-06-30 |
JPS5369570A (en) | 1978-06-21 |
US4066983A (en) | 1978-01-03 |
CA1085939A (en) | 1980-09-16 |
DE2753629A1 (de) | 1978-06-08 |
DE2753629C2 (it) | 1987-08-20 |
GB1542233A (en) | 1979-03-14 |
FR2373187B1 (it) | 1982-06-18 |
JPS6151803B2 (it) | 1986-11-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19961127 |