FR2234694A1 - - Google Patents
Info
- Publication number
- FR2234694A1 FR2234694A1 FR7421843A FR7421843A FR2234694A1 FR 2234694 A1 FR2234694 A1 FR 2234694A1 FR 7421843 A FR7421843 A FR 7421843A FR 7421843 A FR7421843 A FR 7421843A FR 2234694 A1 FR2234694 A1 FR 2234694A1
- Authority
- FR
- France
- 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
- H03B9/00—Generation of oscillations using transit-time effects
- H03B9/12—Generation of oscillations using transit-time effects using solid state devices, e.g. Gunn-effect devices
- H03B9/14—Generation of oscillations using transit-time effects using solid state devices, e.g. Gunn-effect devices and elements comprising distributed inductance and capacitance
- H03B9/141—Generation of oscillations using transit-time effects using solid state devices, e.g. Gunn-effect devices and elements comprising distributed inductance and capacitance and comprising a voltage sensitive element, e.g. varactor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/08—Modifications of modulator to linearise modulation, e.g. by feedback, and clearly applicable to more than one type of modulator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
- H03C3/22—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C7/00—Modulating electromagnetic waves
- H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
- H03C7/025—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas using semiconductor devices
- H03C7/027—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas using semiconductor devices using 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
- H03B2200/006—Functional aspects of oscillators
- H03B2200/007—Generation of oscillations based on harmonic frequencies, e.g. overtone oscillators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
- H03C2200/0037—Functional aspects of modulators
- H03C2200/0079—Measures to linearise modulation or reduce distortion of modulation characteristics
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7308906A SE369134B (en) | 1973-06-25 | 1973-06-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2234694A1 true FR2234694A1 (en) | 1975-01-17 |
FR2234694B1 FR2234694B1 (en) | 1978-03-31 |
Family
ID=20317877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7421843A Expired FR2234694B1 (en) | 1973-06-25 | 1974-06-24 |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5038448A (en) |
CA (1) | CA987750A (en) |
FR (1) | FR2234694B1 (en) |
GB (1) | GB1478896A (en) |
IT (1) | IT1015324B (en) |
NO (1) | NO132258C (en) |
SE (1) | SE369134B (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3510800A (en) * | 1967-07-24 | 1970-05-05 | Hitachi Ltd | Negative resistance oscillator stabilized with fundamental and harmonic frequency cavity resonators |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4931823A (en) * | 1972-08-02 | 1974-03-22 |
-
1973
- 1973-06-25 SE SE7308906A patent/SE369134B/xx unknown
-
1974
- 1974-06-24 IT IT24320/74A patent/IT1015324B/en active
- 1974-06-24 FR FR7421843A patent/FR2234694B1/fr not_active Expired
- 1974-06-24 JP JP49072215A patent/JPS5038448A/ja active Pending
- 1974-06-25 CA CA203,399A patent/CA987750A/en not_active Expired
- 1974-06-25 NO NO742305A patent/NO132258C/no unknown
- 1974-06-25 GB GB28208/74A patent/GB1478896A/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3510800A (en) * | 1967-07-24 | 1970-05-05 | Hitachi Ltd | Negative resistance oscillator stabilized with fundamental and harmonic frequency cavity resonators |
Non-Patent Citations (3)
Title |
---|
ARTICLE DE SWAN: "IMPATT OSCILLATOR PERFORMANCE IMPROVEMENT WITH SECOND-HARMONIC TUNING" * |
UE US "PROCEEDINGS OF THE IEEE" VOLUME 56, NO.9, SEPTEMBRE 1968, PAGES 1616-1617 * |
UE US "THE BELL SYSTEM TECHNICAL JOURNAL", VOLUME 48,NO.1, JANVIER 1969, PAGES 143-161, ARTICLE DE LEE ET AUTRES: "FREQUENOY MODULATION OF A MULTI-WAVE IMPATT DIODE OSCILLATOR AND RELATED HARMONIC GENERATION EFFECTS") * |
Also Published As
Publication number | Publication date |
---|---|
JPS5038448A (en) | 1975-04-09 |
IT1015324B (en) | 1977-05-10 |
CA987750A (en) | 1976-04-20 |
FR2234694B1 (en) | 1978-03-31 |
SE369134B (en) | 1974-08-05 |
NO132258B (en) | 1975-06-30 |
NO132258C (en) | 1975-10-08 |
DE2430431B2 (en) | 1975-09-04 |
GB1478896A (en) | 1977-07-06 |
DE2430431A1 (en) | 1975-01-09 |
NO742305L (en) | 1975-01-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |