NL6817373A - - Google Patents
Info
- Publication number
- NL6817373A NL6817373A NL6817373A NL6817373A NL6817373A NL 6817373 A NL6817373 A NL 6817373A NL 6817373 A NL6817373 A NL 6817373A NL 6817373 A NL6817373 A NL 6817373A NL 6817373 A NL6817373 A NL 6817373A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/16—Amplitude modulation by means of discharge device having at least three electrodes
- H03C1/18—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid
- H03C1/26—Amplitude modulation by means of discharge device having at least three electrodes carrier applied to control grid modulating signal applied to cathode
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/217—Class D power amplifiers; Switching amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F5/00—Amplifiers with both discharge tubes and semiconductor devices as amplifying elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Amplitude Modulation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US52661066A | 1966-02-10 | 1966-02-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL6817373A true NL6817373A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-06-08 |
| NL157759B NL157759B (nl) | 1978-08-15 |
Family
ID=24098034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6817373.A NL157759B (nl) | 1966-02-10 | 1968-12-04 | Zender met hoog rendement. |
Country Status (5)
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3943446A (en) * | 1974-09-30 | 1976-03-09 | Westinghouse Electric Corporation | Power and modulation control system |
| US4063199A (en) * | 1977-02-10 | 1977-12-13 | Rca Corporation | Radio frequency pulse width amplitude modulation system |
| US4122415A (en) * | 1977-03-21 | 1978-10-24 | Rca Corporation | AM transmitter with an offset voltage to the RF stage to compensate for switching time of the modulators |
| DE2715133C3 (de) * | 1977-04-05 | 1980-01-24 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Modulationsverstärker |
| US4220925A (en) * | 1977-07-11 | 1980-09-02 | Rca Corporation | Encoding analog signals into digital signals using a triangular reference |
| US4314374A (en) * | 1977-11-10 | 1982-02-02 | Westinghouse Air Brake Company | High power audio frequency transmitter |
| GB1551711A (en) * | 1978-03-02 | 1979-08-30 | Marconi Ltd | Modulation circuits |
| GB1566095A (en) * | 1978-05-13 | 1980-04-30 | Marconi Co Ltd | Modulation circuits |
| US4292595A (en) * | 1979-11-13 | 1981-09-29 | Burr-Brown Research Corporation | Capacitance coupled isolation amplifier and method |
| US4319359A (en) * | 1980-04-10 | 1982-03-09 | Rca Corporation | Radio transmitter energy recovery system |
| JPS5742214A (en) * | 1980-08-27 | 1982-03-09 | Sony Corp | Power amplifier |
| US4524335A (en) * | 1982-03-13 | 1985-06-18 | Nippon Gakki Seizo Kabushiki Kaisha | Pulse-width modulation circuit with carrier signal frequency control |
| US4896372A (en) * | 1986-02-25 | 1990-01-23 | Varian Associates, Inc. | Pulse width modulator for AM-RF transmitter |
| JPS62200919A (ja) * | 1986-02-25 | 1987-09-04 | コンチネンタル・エレクトロニクス・コーポレイション | パルス幅変調器を有するｒｆ−ａｍ送信器 |
| US4776036A (en) * | 1986-02-25 | 1988-10-04 | Varian Associates, Inc. | RF-AM transmitter with pulse width modulator |
| US5099203A (en) | 1990-06-05 | 1992-03-24 | Continental Electronics Corporation | Power amplifier having multiple switched stages and method of operating same |
| US6459336B1 (en) | 2000-10-11 | 2002-10-01 | Harris Corporation | RF amplifier system having PDM drive |
| ITTO20050402A1 (it) * | 2005-06-10 | 2006-12-11 | Selenia Comm S P A | Convertitore di potenza ad alta efficienza, modulatore e trasmettitore che lo utilizzano |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2227596A (en) * | 1938-03-31 | 1941-01-07 | Rca Corp | Signaling system |
| US2263276A (en) * | 1939-02-16 | 1941-11-18 | Rca Corp | Modulated carrier wave transmitter |
| US2338512A (en) * | 1942-10-22 | 1944-01-04 | Westinghouse Electric & Mfg Co | Telephone transmitter circuit |
| US2990516A (en) * | 1956-05-29 | 1961-06-27 | John C Simons Jr | Pulse-width modulated amplifier and method |
| US3167720A (en) * | 1961-02-10 | 1965-01-26 | Transis Tronics Inc | Power amplification means |
| GB1082325A (en) * | 1963-10-10 | 1967-09-06 | Telefunken Patent | Improvements in or relating to modulated high-frequency circuit arrangements |
| US3336538A (en) * | 1964-08-13 | 1967-08-15 | Norman H Crowhurst | Two-state power amplifier with transitional feedback |
| US3366882A (en) * | 1964-12-21 | 1968-01-30 | Automatic Elect Lab | Pam and pwm dual modulation arrangement for doubling channel capacity |
| US3348151A (en) * | 1965-03-08 | 1967-10-17 | Boeing Co | Dc power supply and amplitude modulator |
| US3384838A (en) * | 1965-03-19 | 1968-05-21 | Sylvania Electric Prod | Phase reversible switching power amplifier |
-
1966
- 1966-02-10 US US526610A patent/US3506920A/en not_active Expired - Lifetime
-
1968
- 1968-10-25 GB GB50860/68A patent/GB1246140A/en not_active Expired
- 1968-11-06 CH CH1656268A patent/CH482353A/de not_active IP Right Cessation
- 1968-11-14 FR FR173731A patent/FR1591798A/fr not_active Expired
- 1968-12-04 NL NL6817373.A patent/NL157759B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR1591798A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1970-05-04 |
| NL157759B (nl) | 1978-08-15 |
| CH482353A (de) | 1969-11-30 |
| US3506920A (en) | 1970-04-14 |
| GB1246140A (en) | 1971-09-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NL80 | Information provided on patent owner name for an already discontinued patent |
Owner name: HARRIS |
|
| V4 | Discontinued because of reaching the maximum lifetime of a patent |