BE869007A - Amplificateur interferometrique perfectionne - Google Patents

Amplificateur interferometrique perfectionne

Info

Publication number
BE869007A
BE869007A BE189293A BE189293A BE869007A BE 869007 A BE869007 A BE 869007A BE 189293 A BE189293 A BE 189293A BE 189293 A BE189293 A BE 189293A BE 869007 A BE869007 A BE 869007A
Authority
BE
Belgium
Prior art keywords
interferometric
perfected
amplifier
perfected interferometric
interferometric amplifier
Prior art date
Application number
BE189293A
Other languages
English (en)
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of BE869007A publication Critical patent/BE869007A/fr

Links

Classifications

    • 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
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • 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
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0294—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using vector summing of two or more constant amplitude phase-modulated signals
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
    • H03F3/602—Combinations of several amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Amplitude Modulation (AREA)
BE189293A 1977-07-20 1978-07-14 Amplificateur interferometrique perfectionne BE869007A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/817,354 US4090147A (en) 1977-07-20 1977-07-20 Interferometric amplifier

Publications (1)

Publication Number Publication Date
BE869007A true BE869007A (fr) 1978-11-03

Family

ID=25222892

Family Applications (1)

Application Number Title Priority Date Filing Date
BE189293A BE869007A (fr) 1977-07-20 1978-07-14 Amplificateur interferometrique perfectionne

Country Status (7)

Country Link
US (1) US4090147A (fr)
JP (1) JPS5422749A (fr)
BE (1) BE869007A (fr)
CA (1) CA1101503A (fr)
FR (1) FR2398409A1 (fr)
NL (1) NL7807702A (fr)
WO (1) WO1979000050A1 (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283767A (en) * 1979-05-03 1981-08-11 Raytheon Company Multiple correlator reference processor
US4355289A (en) * 1980-07-14 1982-10-19 Wisconsin Alumni Research Foundation Phase shift and amplitude modulator
US5886573A (en) * 1998-03-06 1999-03-23 Fujant, Inc. Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier
US6889034B1 (en) 1998-04-02 2005-05-03 Ericsson Inc. Antenna coupling systems and methods for transmitters
US6311046B1 (en) 1998-04-02 2001-10-30 Ericsson Inc. Linear amplification systems and methods using more than two constant length vectors
US5930128A (en) * 1998-04-02 1999-07-27 Ericsson Inc. Power waveform synthesis using bilateral devices
US6133788A (en) * 1998-04-02 2000-10-17 Ericsson Inc. Hybrid Chireix/Doherty amplifiers and methods
BR9909353A (pt) * 1998-04-02 2000-12-12 Ericsson Inc Amplificador de potência, processo e aparelho para amplificar um sinal de entrada de ca de amplitude variante e fase variante usando uma fonte de alimentação de cc, processos para amplificar um sinal de entrada de amplitude variante e fase variante a um nìvel de potência desejado, para gerar de um sinal de amplitude variante e fase variante, uma pluralidade de sinais de amplitude constante e fase variante, e para sintetizar de uma forma de onda de entrada, uma forma de onda de saìda em uma carga usando uma fonte de alimentação de cc, transmissor para produzir um sinal de saìda de amplitude variante em um nìvel de potência desejado e em uma frequência portadora desejada, de um sinal de entrada de amplitude variante e fase variante, sistema para gerar de um sinal de amplitude variante e fase variante, uma pluralidade de sinais de amplitude constante e fase variante, e, aparelho para sintetizar de uma forma de onda de entrada, uma forma de onda de saìda em uma carga usando uma fonte de alimentação de cc
US6285251B1 (en) 1998-04-02 2001-09-04 Ericsson Inc. Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control
US6054894A (en) * 1998-06-19 2000-04-25 Datum Telegraphic Inc. Digital control of a linc linear power amplifier
US6054896A (en) 1998-12-17 2000-04-25 Datum Telegraphic Inc. Controller and associated methods for a linc linear power amplifier
US5990738A (en) * 1998-06-19 1999-11-23 Datum Telegraphic Inc. Compensation system and methods for a linear power amplifier
US5990734A (en) * 1998-06-19 1999-11-23 Datum Telegraphic Inc. System and methods for stimulating and training a power amplifier during non-transmission events
US6201452B1 (en) 1998-12-10 2001-03-13 Ericsson Inc. Systems and methods for converting a stream of complex numbers into a modulated radio power signal
US6411655B1 (en) 1998-12-18 2002-06-25 Ericsson Inc. Systems and methods for converting a stream of complex numbers into an amplitude and phase-modulated radio power signal
US6181199B1 (en) 1999-01-07 2001-01-30 Ericsson Inc. Power IQ modulation systems and methods
US7110739B2 (en) * 2003-04-10 2006-09-19 Powerwave Technologies, Inc. Multi-transmitter communication system employing anti-phase pilot signals
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
US20130078934A1 (en) 2011-04-08 2013-03-28 Gregory Rawlins Systems and Methods of RF Power Transmission, Modulation, and Amplification
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
JP2007150905A (ja) * 2005-11-29 2007-06-14 Japan Radio Co Ltd Ｌｉｎｃ増幅器
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
WO2009005768A1 (fr) 2007-06-28 2009-01-08 Parkervision, Inc. Systèmes et procédés de transmission, de modulation et d'amplification de puissance hf
WO2009145887A1 (fr) 2008-05-27 2009-12-03 Parkervision, Inc. Systèmes et procédés de transmission, de modulation et d'amplification de puissance radioélectrique (rf)
KR20140034895A (ko) 2011-06-02 2014-03-20 파커비전, 인크. 안테나 제어
EP3047348B1 (fr) 2013-09-17 2025-03-19 Parkervision, Inc. Procédé servant à restituer une fonction porteuse d'information sur le temps

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL85234C (fr) * 1949-09-23
US2714634A (en) * 1954-04-16 1955-08-02 Rca Corp Modulated radio frequency signal amplifier
US3248663A (en) * 1963-02-25 1966-04-26 Westinghouse Electric Corp High efficiency linear amplifier system
US3777275A (en) * 1972-01-31 1973-12-04 Bell Telephone Labor Inc Linear amplification with nonlinear devices
US3927379A (en) * 1975-01-08 1975-12-16 Bell Telephone Labor Inc Linear amplification using nonlinear devices and inverse sine phase modulation

Also Published As

Publication number Publication date
JPS5422749A (en) 1979-02-20
FR2398409A1 (fr) 1979-02-16
CA1101503A (fr) 1981-05-19
FR2398409B1 (fr) 1980-12-26
WO1979000050A1 (fr) 1979-02-08
NL7807702A (nl) 1979-01-23
US4090147A (en) 1978-05-16

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WESTERN ELECTRIC CY INC.

Effective date: 19840714