FR2415910A2 - Dispositif de limitation du taux d'harmoniques d'un oscillateur - Google Patents
Dispositif de limitation du taux d'harmoniques d'un oscillateurInfo
- Publication number
- FR2415910A2 FR2415910A2 FR7801979A FR7801979A FR2415910A2 FR 2415910 A2 FR2415910 A2 FR 2415910A2 FR 7801979 A FR7801979 A FR 7801979A FR 7801979 A FR7801979 A FR 7801979A FR 2415910 A2 FR2415910 A2 FR 2415910A2
- Authority
- FR
- France
- Prior art keywords
- same control
- given level
- lies above
- circuit
- controlled oscillator
- 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.)
- Granted
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
- 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
- H03B5/1293—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 having means for achieving a desired tuning characteristic, e.g. linearising the frequency characteristic across the tuning voltage range
-
- 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
- H03B2200/006—Functional aspects of oscillators
- H03B2200/0086—Functional aspects of oscillators relating to the Q factor or damping of the resonant circuit
-
- 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
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Abstract
1. Augmentation de la stabilité en température et du niveau de sortie d'un oscillateur accordable par variation d'une tension de commande selon brevet principal. 2. Le circuit résonnant de sortie comporte une inductance plus élevée que celle du circuit d'accord et fonctionne en dessous de sa fréquence de résonance dans au moins une partie de la gamme. 3. Source ultra haute fréquence.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7801979A FR2415910A2 (fr) | 1978-01-25 | 1978-01-25 | Dispositif de limitation du taux d'harmoniques d'un oscillateur |
GB9024/78A GB1593723A (en) | 1977-03-14 | 1978-03-07 | Ultra high frequency oscillators |
US05/884,390 US4146850A (en) | 1977-03-14 | 1978-03-08 | Tunable uhf oscillator with harmonic limitation |
DE2811080A DE2811080C2 (de) | 1977-03-14 | 1978-03-14 | Durch Spannungsänderung abstimmbarer Hochfrequenz-Oszillator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7801979A FR2415910A2 (fr) | 1978-01-25 | 1978-01-25 | Dispositif de limitation du taux d'harmoniques d'un oscillateur |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2415910A2 true FR2415910A2 (fr) | 1979-08-24 |
FR2415910B2 FR2415910B2 (fr) | 1982-04-02 |
Family
ID=9203790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7801979A Granted FR2415910A2 (fr) | 1977-03-14 | 1978-01-25 | Dispositif de limitation du taux d'harmoniques d'un oscillateur |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2415910A2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2756987A1 (fr) * | 1996-12-11 | 1998-06-12 | Alps Electric Co Ltd | Circuit oscillant |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1766734B1 (de) * | 1968-07-11 | 1971-03-11 | Philips Pat | Oszillatorschaltung fur den UHF Bereich mit einem Transistor |
US3855553A (en) * | 1966-11-03 | 1974-12-17 | Us Army | Modulated transistor oscillators |
-
1978
- 1978-01-25 FR FR7801979A patent/FR2415910A2/fr active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3855553A (en) * | 1966-11-03 | 1974-12-17 | Us Army | Modulated transistor oscillators |
DE1766734B1 (de) * | 1968-07-11 | 1971-03-11 | Philips Pat | Oszillatorschaltung fur den UHF Bereich mit einem Transistor |
Non-Patent Citations (1)
Title |
---|
NV2198/71 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2756987A1 (fr) * | 1996-12-11 | 1998-06-12 | Alps Electric Co Ltd | Circuit oscillant |
Also Published As
Publication number | Publication date |
---|---|
FR2415910B2 (fr) | 1982-04-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licences |