CH222396A - Method for modulating a high frequency transmitter and transmitter for implementing said method. - Google Patents

Method for modulating a high frequency transmitter and transmitter for implementing said method.

Info

Publication number
CH222396A
CH222396A CH222396DA CH222396A CH 222396 A CH222396 A CH 222396A CH 222396D A CH222396D A CH 222396DA CH 222396 A CH222396 A CH 222396A
Authority
CH
Switzerland
Prior art keywords
transmitter
modulating
implementing
high frequency
frequency transmitter
Prior art date
Application number
Other languages
French (fr)
Inventor
Radio-Electrique Soc Francaise
Original Assignee
Radio Electr Soc Fr
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Radio Electr Soc Fr filed Critical Radio Electr Soc Fr
Publication of CH222396A publication Critical patent/CH222396A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/50—Amplitude modulation by converting angle modulation to amplitude modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
    • H03F1/06—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Microwave Amplifiers (AREA)
  • Transmitters (AREA)
CH222396D 1938-12-02 1939-11-08 Method for modulating a high frequency transmitter and transmitter for implementing said method. CH222396A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR759851X 1938-12-02

Publications (1)

Publication Number Publication Date
CH222396A true CH222396A (en) 1942-07-15

Family

ID=9167474

Family Applications (1)

Application Number Title Priority Date Filing Date
CH222396D CH222396A (en) 1938-12-02 1939-11-08 Method for modulating a high frequency transmitter and transmitter for implementing said method.

Country Status (6)

Country Link
US (2) US2282714A (en)
CH (1) CH222396A (en)
DE (1) DE759851C (en)
FR (3) FR854015A (en)
GB (1) GB537076A (en)
NL (1) NL57174C (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL79855C (en) * 1949-11-02
US2719190A (en) * 1950-10-27 1955-09-27 Bell Telephone Labor Inc High-efficiency translating circuit
NL170979B (en) * 1951-07-12 Keystone Int BUTTERFLY VALVE VALVE.
GB989329A (en) * 1964-01-16 1965-04-14 Standard Telephones Cables Ltd Electrical amplifying circuits
DE3906448C1 (en) * 1989-03-01 1990-03-15 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De
US6334234B1 (en) * 1999-01-08 2002-01-01 Fantom Technologies Inc. Cleaner head for a vacuum cleaner
US7071775B2 (en) * 2004-06-21 2006-07-04 Motorola, Inc. Method and apparatus for an enhanced efficiency power amplifier
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8334722B2 (en) 2007-06-28 2012-12-18 Parkervision, Inc. Systems and methods of RF power transmission, modulation and amplification
US20130078934A1 (en) 2011-04-08 2013-03-28 Gregory Rawlins Systems and Methods of RF Power Transmission, Modulation, and Amplification
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US8315336B2 (en) 2007-05-18 2012-11-20 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment
US7620129B2 (en) 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
WO2008156800A1 (en) * 2007-06-19 2008-12-24 Parkervision, Inc. Combiner-less multiple input single output (miso) amplification with blended control
WO2009145887A1 (en) 2008-05-27 2009-12-03 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
US7714649B1 (en) 2008-06-02 2010-05-11 Rockwell Collins, Inc. High-efficiency linear amplifier using non linear circuits
KR20140034895A (en) 2011-06-02 2014-03-20 파커비전, 인크. Antenna control
WO2015042142A1 (en) 2013-09-17 2015-03-26 Parkervision, Inc. Method, apparatus and system for rendering an information bearing function of time
US10187014B2 (en) 2014-10-07 2019-01-22 Telefonaktiebolaget Lm Ericsson (Publ) Driver circuit for composite power amplifier

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL25389C (en) * 1926-05-10
FR39312E (en) * 1930-05-06 1931-10-12 Radio Electr Soc Fr Improvements in radio communication methods
DE598086C (en) * 1931-07-29 1934-06-05 Radio Electr Soc Fr Method for the wireless transmission of messages by means of two electric circuits fed by a generator and working in differential coupling on the antenna circuit
DE611876C (en) * 1934-02-04 1935-04-09 Radio Electr Soc Fr High-frequency transmission arrangement for modulated signals

Also Published As

Publication number Publication date
NL57174C (en)
DE759851C (en) 1952-11-10
FR856319A (en) 1940-06-11
GB537076A (en) 1941-06-09
FR50403E (en) 1940-06-05
FR854015A (en) 1940-04-03
US2282714A (en) 1942-05-12
US2269518A (en) 1942-01-13

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