ES8103519A1 - Un generador de radiofrecuencia - Google Patents
Un generador de radiofrecuenciaInfo
- Publication number
- ES8103519A1 ES8103519A1 ES489444A ES489444A ES8103519A1 ES 8103519 A1 ES8103519 A1 ES 8103519A1 ES 489444 A ES489444 A ES 489444A ES 489444 A ES489444 A ES 489444A ES 8103519 A1 ES8103519 A1 ES 8103519A1
- Authority
- ES
- Spain
- Prior art keywords
- radio frequency
- becomes excessive
- frequency generators
- current becomes
- load current
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
- H03K17/0814—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit
- H03K17/08146—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit in bipolar transistor switches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
-
- 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
- H03B11/00—Generation of oscillations using a shock-excited tuned circuit
- H03B11/04—Generation of oscillations using a shock-excited tuned circuit excited by interrupter
- H03B11/10—Generation of oscillations using a shock-excited tuned circuit excited by interrupter interrupter being semiconductor device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
- H03K17/66—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will
- H03K17/661—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to both load terminals
- H03K17/662—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to both load terminals each output circuit comprising more than one controlled bipolar transistor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Dc-Dc Converters (AREA)
Abstract
GENERADOR DE RADIOFRECUENCIA. UN INVERSOR DE CONMUTACION FORMADO POR CUATRO TRANSISTORES (1, 2, 3, 4), QUE SON CONTROLADOS POR LOS SECUNDARIOS (1A, 2A, 3A, 4A) DE CUATRO TRANSFORMADORES, EXCITA UN CIRCUITO RESONANTE EN SERIE FORMADO POR UNA INDUCTANCIA (6) Y UN CONDENSADOR (5) GENERANDO UNA SALIDA A LA FRECUENCIA DE RADIO. LA CARGA, REPRESENTADA POR UNA RESISTENCIA (7), ESTA CONECTADA A TRAVES DE UN TRANSFORMADOR (10) QUE ELIMINA LA CORRIENTE CONTINUA EN ELLA; UN CIRCUITO RESONANTE PARALELO FORMADO POR LA INDUCTANCIA (9) Y EL CONDENSADOR (8) VA EN PARALELO CON LA RESISTENCIA (8). UNOS DIODOS (11, 12, 13, 14) EVITAN EL CIRCUITO ABIERTO EN EL CIRCUITO RESONANTE SERIE. UNA BOBINA (15), UN CONDENSADOR (16) Y UN RECTIFICADOR (17) ACTUAN CON FUNCION PROTECTORA DEL DISPOSITIVO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7908897A GB2050735A (en) | 1979-03-13 | 1979-03-13 | Protecting oscillator transistor |
Publications (2)
Publication Number | Publication Date |
---|---|
ES489444A0 ES489444A0 (es) | 1981-02-16 |
ES8103519A1 true ES8103519A1 (es) | 1981-02-16 |
Family
ID=10503851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES489444A Expired ES8103519A1 (es) | 1979-03-13 | 1980-03-12 | Un generador de radiofrecuencia |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0017343A1 (es) |
JP (1) | JPS55131278A (es) |
AU (1) | AU5637280A (es) |
DK (1) | DK104780A (es) |
ES (1) | ES8103519A1 (es) |
GB (1) | GB2050735A (es) |
NO (1) | NO800698L (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57138876A (en) * | 1981-02-17 | 1982-08-27 | Shindengen Electric Mfg Co Ltd | Full bridge type switching regulator stabilizing power source |
DE3874276T2 (de) * | 1987-10-12 | 1993-03-25 | Philips Nv | Ausleseschaltung einer verzoegerungsschaltung. |
EP0312143B1 (en) * | 1987-10-14 | 1993-08-18 | Koninklijke Philips Electronics N.V. | Magneto-optical recording apparatus and energizing circuit for use in such a magneto-optical recording apparatus |
GB9901356D0 (en) * | 1999-01-22 | 1999-03-10 | Central Research Lab Ltd | Method of and apparatus for the transmission of a plurality of signals |
KR101694520B1 (ko) * | 2013-11-26 | 2017-01-10 | 한국전자통신연구원 | 루프 안테나 및 그의 스위칭 방법 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD94433A (es) * | ||||
US3379955A (en) * | 1964-11-17 | 1968-04-23 | Lockheed Aircraft Corp | Apparatus for protecting the switching elements of static inverters from transient voltages |
US3424993A (en) * | 1966-02-09 | 1969-01-28 | Motorola Inc | Transistor protection circuit |
DE1563772A1 (de) * | 1966-10-20 | 1970-04-09 | Siemens Ag | Als vollelektronische,bipolare UEberstromsicherung wirkende Schaltungsanordnung |
US3517265A (en) * | 1968-04-16 | 1970-06-23 | Atomic Energy Commission | Deionizing and fault protection circuit for a line-type pulser |
US3769586A (en) * | 1971-04-26 | 1973-10-30 | Litton Systems Inc | Hybrid coupler for radio transmitter having parallel output amplifier stages |
US3721836A (en) * | 1971-11-24 | 1973-03-20 | W Rippel | Current limited transistor switch |
GB1483584A (en) * | 1973-09-07 | 1977-08-24 | Decca Ltd | Radio frequency pulse generators and pulse transmitters |
US4059801A (en) * | 1975-12-11 | 1977-11-22 | Johannessen Paul R | Apparatus for degrading Q in a high-Q RF pulse transmitting system and the like |
-
1979
- 1979-03-13 GB GB7908897A patent/GB2050735A/en not_active Withdrawn
-
1980
- 1980-03-04 EP EP80300648A patent/EP0017343A1/en not_active Withdrawn
- 1980-03-11 DK DK104780A patent/DK104780A/da not_active Application Discontinuation
- 1980-03-11 NO NO800698A patent/NO800698L/no unknown
- 1980-03-12 AU AU56372/80A patent/AU5637280A/en not_active Abandoned
- 1980-03-12 JP JP3149680A patent/JPS55131278A/ja active Pending
- 1980-03-12 ES ES489444A patent/ES8103519A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DK104780A (da) | 1980-09-14 |
JPS55131278A (en) | 1980-10-11 |
ES489444A0 (es) | 1981-02-16 |
NO800698L (no) | 1980-09-15 |
GB2050735A (en) | 1981-01-07 |
EP0017343A1 (en) | 1980-10-15 |
AU5637280A (en) | 1980-09-18 |
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