DE60109317D1 - Lineare modulation mit einem linearen und einem nichtlinearen verstärker - Google Patents

Lineare modulation mit einem linearen und einem nichtlinearen verstärker

Info

Publication number
DE60109317D1
DE60109317D1 DE60109317T DE60109317T DE60109317D1 DE 60109317 D1 DE60109317 D1 DE 60109317D1 DE 60109317 T DE60109317 T DE 60109317T DE 60109317 T DE60109317 T DE 60109317T DE 60109317 D1 DE60109317 D1 DE 60109317D1
Authority
DE
Germany
Prior art keywords
amplifier
amplitude
signal
amplifiers
linear
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 - Lifetime
Application number
DE60109317T
Other languages
English (en)
Inventor
O Camp
W Dent
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ericsson Inc
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE60109317D1 publication Critical patent/DE60109317D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H03F1/02—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
    • H03F1/0288—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using a main and one or several auxiliary peaking amplifiers whereby the load is connected to the main amplifier using an impedance inverter, e.g. Doherty amplifiers
DE60109317T 2000-11-09 2001-10-16 Lineare modulation mit einem linearen und einem nichtlinearen verstärker Expired - Lifetime DE60109317D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/710,537 US6359506B1 (en) 1998-04-02 2000-11-09 Linear modulation using a linear and a non-linear amplifier
PCT/US2001/032221 WO2002039577A2 (en) 2000-11-09 2001-10-16 Linear modulation using a linear and a non-linear amplifier

Publications (1)

Publication Number Publication Date
DE60109317D1 true DE60109317D1 (de) 2005-04-14

Family

ID=24854434

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60109317T Expired - Lifetime DE60109317D1 (de) 2000-11-09 2001-10-16 Lineare modulation mit einem linearen und einem nichtlinearen verstärker

Country Status (7)

Country Link
US (1) US6359506B1 (de)
EP (1) EP1332550B1 (de)
AT (1) ATE290735T1 (de)
AU (1) AU2002211766A1 (de)
DE (1) DE60109317D1 (de)
MY (1) MY119981A (de)
WO (1) WO2002039577A2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6359506B1 (en) * 1998-04-02 2002-03-19 Ericsson Inc. Linear modulation using a linear and a non-linear amplifier
SE522479C2 (sv) * 2002-01-16 2004-02-10 Ericsson Telefon Ab L M Sammansatt effektförstärkare
US6930547B2 (en) * 2002-08-09 2005-08-16 Andrew Corporation Linearizing LINC amplifiers using pre-distortion
US6816008B2 (en) * 2002-12-31 2004-11-09 Alion Science And Technology Corporation Quasi-linear multi-state digital modulation through non-linear amplifier arrays
US20050136858A1 (en) * 2003-12-23 2005-06-23 Eliav Zipper Bipolar modulator
US7983632B2 (en) * 2004-09-24 2011-07-19 Broadcom Corporation Feedback control loop for amplitude modulation in a polar transmitter with a translational loop
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
US7148746B2 (en) * 2004-10-26 2006-12-12 Andrew Corporation High efficiency amplifier
US9106316B2 (en) 2005-10-24 2015-08-11 Parkervision, Inc. 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
US7362170B2 (en) 2005-12-01 2008-04-22 Andrew Corporation High gain, high efficiency power amplifier
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
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
US7459973B2 (en) 2006-06-12 2008-12-02 École De Technologie Supérieure Method and apparatus for amplifying a signal modulated in amplitude
US7978773B2 (en) * 2006-12-29 2011-07-12 Agere Systems Inc. Multi-channel receiver with improved AGC
US7620129B2 (en) * 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
US7978782B2 (en) * 2007-02-28 2011-07-12 Broadcom Corporation Method and system for polar modulation using a direct digital frequency synthesizer
US8036308B2 (en) * 2007-02-28 2011-10-11 Broadcom Corporation Method and system for a wideband polar transmitter
WO2008144017A1 (en) * 2007-05-18 2008-11-27 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
WO2009005768A1 (en) 2007-06-28 2009-01-08 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
KR20140026458A (ko) 2011-04-08 2014-03-05 파커비전, 인크. Ｒｆ 전력 송신, 변조 및 증폭 시스템들 및 방법들
EP2715867A4 (de) 2011-06-02 2014-12-17 Parkervision Inc Antennensteuerung
US8638168B1 (en) * 2011-07-14 2014-01-28 Marvell International Ltd. Digital power amplifier
US20150080063A1 (en) 2013-09-17 2015-03-19 Parkervision, Inc. Method, apparatus and system for rendering an information bearing function of time

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4701716A (en) * 1986-05-07 1987-10-20 Rca Corporation Parallel distributed signal amplifiers
US4965527A (en) * 1989-09-20 1990-10-23 Hughes Aircraft Company Gain equalizer for microwave balanced amplifier configuration
US5015965A (en) * 1989-11-22 1991-05-14 General Electric Company Predistortion equalizer with resistive combiners and dividers
RU2144260C1 (ru) * 1992-03-13 2000-01-10 Моторола, Инк. Сеть, объединяющая усилители мощности сигналов высокой частоты и двухрежимное устройство связи
US5568086A (en) * 1995-05-25 1996-10-22 Motorola, Inc. Linear power amplifier for high efficiency multi-carrier performance
US5757229A (en) * 1996-06-28 1998-05-26 Motorola, Inc. Bias circuit for a power amplifier
US6097252A (en) * 1997-06-02 2000-08-01 Motorola, Inc. Method and apparatus for high efficiency power amplification
US6359506B1 (en) * 1998-04-02 2002-03-19 Ericsson Inc. Linear modulation using a linear and a non-linear amplifier
US6262629B1 (en) * 1999-07-06 2001-07-17 Motorola, Inc. High efficiency power amplifier having reduced output matching networks for use in portable devices

Also Published As

Publication number Publication date
EP1332550A2 (de) 2003-08-06
AU2002211766A1 (en) 2002-05-21
MY119981A (en) 2005-08-30
ATE290735T1 (de) 2005-03-15
WO2002039577A3 (en) 2002-07-11
EP1332550B1 (de) 2005-03-09
WO2002039577A2 (en) 2002-05-16
US6359506B1 (en) 2002-03-19

Similar Documents

Publication Publication Date Title
DE60109317D1 (de) Lineare modulation mit einem linearen und einem nichtlinearen verstärker
MY122208A (en) Hybrid chireix/doherty amplifiers power waveform synthesis
ATE447792T1 (de) Verstärkersysteme und verfahren mit einer festen und modulierten spannungversorgungsschaltung und mit einem hochsetz-tiefsetzstellerschaltregler
TW200705802A (en) Linear and non-linear dual mode transmitter
SE9503069D0 (sv) Spillenergistyrningshantering för effektförstärkare
TR200002850T2 (tr) Melez chireix/doherty amplifikatörlerinin güç dalga biçimi sentezi.
MY139090A (en) High performance modulator architecture for the outphasing rf amplifier
SE0001260D0 (sv) Bredbandig effektförstärkare med hög verkningsgrad
ATE293331T1 (de) I-q leistungsmodulationssystemen und verfahren mit vorverzerrungsschaltung
EP1845624A4 (de) Übertragungsvorrichtung und drahtlose kommunikationsvorrichtung
WO2002019545A3 (en) System for closed loop power control using a linear or a non-linear power amplifier
GB1526376A (en) Amplifier power supply arrangements
DE60124720D1 (de) Zusammengesetzter verstärker
MY158086A (en) Direct conversion with variable amplitude lo signals
AU2002216686A1 (en) Amplitude and phase modulator
TW200516830A (en) A pulse width modulation control circuit and the loading system of its application
WO2004102788A3 (en) Rf amplifier employing active load linearization
DE602004029914D1 (de) Zusammengesetzter leistungsverstärker
AU4340300A (en) Power modulation systems and methods that separately amplify low and high frequency portions of an amplitude waveform
WO2007121112A3 (en) Systems, methods and devices for dual closed loop modulation controller for nonlinear rf amplifier
FR2824437B1 (fr) Generateur d'un signal radiofrequence module en phase ou frequence et en amplitude, et emetteur l'incorporant
AU2002227013A1 (en) Envelope restoration scheme for linear high-efficiency power amplification
SE0302681D0 (sv) Method for pulse area modulation
WO2009037603A3 (en) Polar modulation based transmitter with switching mode power amplifiers
ATE424654T1 (de) Methode und einrichtung zur verbesserung des wirkungsgrades in einem sender

Legal Events

Date Code Title Description
8332 No legal effect for de