[go: up one dir, main page]

DE60127814D1 - Analoger reflektierender vorverzerrer für leistungsverstärker - Google Patents

Analoger reflektierender vorverzerrer für leistungsverstärker

Info

Publication number
DE60127814D1
DE60127814D1 DE60127814T DE60127814T DE60127814D1 DE 60127814 D1 DE60127814 D1 DE 60127814D1 DE 60127814 T DE60127814 T DE 60127814T DE 60127814 T DE60127814 T DE 60127814T DE 60127814 D1 DE60127814 D1 DE 60127814D1
Authority
DE
Germany
Prior art keywords
linear
compensation circuit
relative phase
circuit
forecaster
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
DE60127814T
Other languages
English (en)
Other versions
DE60127814T2 (de
Inventor
Alvarez Alina Oramas
Thorsten Nygren
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE60127814D1 publication Critical patent/DE60127814D1/de
Publication of DE60127814T2 publication Critical patent/DE60127814T2/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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/198—A hybrid coupler being used as coupling circuit between stages of an amplifier circuit

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Microwave Amplifiers (AREA)
DE60127814T 2000-02-25 2001-02-16 Analoger reflektierender vorverzerrer für leistungsverstärker Expired - Lifetime DE60127814T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US512607 1995-08-08
US09/512,607 US6326843B1 (en) 2000-02-25 2000-02-25 Analog reflective predistorter for power amplifiers
PCT/SE2001/000352 WO2001063753A1 (en) 2000-02-25 2001-02-16 An analog reflective predistorter for power amplifiers

Publications (2)

Publication Number Publication Date
DE60127814D1 true DE60127814D1 (de) 2007-05-24
DE60127814T2 DE60127814T2 (de) 2007-08-16

Family

ID=24039808

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60127814T Expired - Lifetime DE60127814T2 (de) 2000-02-25 2001-02-16 Analoger reflektierender vorverzerrer für leistungsverstärker

Country Status (6)

Country Link
US (1) US6326843B1 (de)
EP (1) EP1258081B1 (de)
AT (1) ATE359618T1 (de)
AU (1) AU2001234305A1 (de)
DE (1) DE60127814T2 (de)
WO (1) WO2001063753A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6573793B1 (en) 2002-04-10 2003-06-03 Romulo Gutierrez Reflect forward adaptive linearizer amplifier
SE0402524D0 (sv) * 2004-09-21 2004-10-15 Ericsson Telefon Ab L M Tunable predistorter
SE0402289D0 (sv) * 2004-09-21 2004-09-21 Ericsson Telefon Ab L M Predistorter
US9479122B2 (en) 2014-08-28 2016-10-25 Macom Technology Solutions Holdings, Inc. Amplification phase correction in a pulse burst
US10530320B2 (en) 2016-07-15 2020-01-07 Psemi Corporation Attenuator de-Qing loss improvement and phase balance
US10211801B2 (en) * 2016-07-15 2019-02-19 Psemi Corporation Hybrid coupler with phase and attenuation control

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5683104A (en) * 1979-12-10 1981-07-07 Nec Corp Predistortion circuit
CA1280180C (en) 1987-02-02 1991-02-12 Masatoshi Ishida Nonlinear signal generating circuit and nonlinear compensating deviceusing the same
US4943783A (en) * 1989-07-31 1990-07-24 Nippon Telegraph And Telephone Corporation Feed forward distortion correction circuit
US4987378A (en) * 1989-11-28 1991-01-22 General Electric Company Feedforward predistortion linearizer
US5172068A (en) 1990-09-17 1992-12-15 Amoco Corporation Third-order predistortion linearization circuit
US5146177A (en) 1991-08-30 1992-09-08 General Electric Co. Balanced reflective nonlinear processor using FETs
FR2684820B1 (fr) 1991-12-09 1994-01-21 Alcatel Espace Lineariseur a pre-distorsion a diodes en reflexion, pour amplificateur de puissance fonctionnant en hyperfrequence.
JP3226352B2 (ja) 1991-12-20 2001-11-05 レイセオン・カンパニー スプリアス周波数の抑制装置及び抑制方法
FR2696295B1 (fr) 1992-09-29 1994-12-09 Europ Agence Spatiale Dispositif pour corriger les distorsions non-linéaires d'un amplificateur électronique.
US5606286A (en) * 1995-07-27 1997-02-25 Bains; Devendar S. Predistortion linearization
JP3708232B2 (ja) 1995-10-30 2005-10-19 富士通株式会社 歪補償回路を有する送信装置

Also Published As

Publication number Publication date
AU2001234305A1 (en) 2001-09-03
DE60127814T2 (de) 2007-08-16
ATE359618T1 (de) 2007-05-15
EP1258081A1 (de) 2002-11-20
US6326843B1 (en) 2001-12-04
WO2001063753A1 (en) 2001-08-30
EP1258081B1 (de) 2007-04-11

Similar Documents

Publication Publication Date Title
SE0201070D0 (sv) Multimodulation transmitter
WO2004038910A3 (en) Predistortion linearizing
AU2002358380A1 (en) Composite power amplifier
MX9801425A (es) Operacion de linearizacion mejorada de modulares electro-opticos de una sola fase y de dos fases.
WO2004059848A3 (en) Modulation of a digital input signal using a digital signal modulator and signal splitting
SE0002584L (sv) Sammansatt förstärkare samt sändare som innefattar en sådan förstärkare
ATE521132T1 (de) Zusammengesetzter listungsverstärker
DE69942923D1 (de) Leistungsverstärker mit bypass-pfad
TR200101889T2 (tr) Güç IQ modülasyon sistemleri ve yöntemleri
WO2004056061A3 (en) Adaptive controller for linearization of transmitter
ATE518301T1 (de) Ein leistungsverstärkermodul mit verzerrungskompensation
SE0100063D0 (sv) Förstärkare
AU6340000A (en) Method and apparatus for linearizing an amplifier
KR940017111A (ko) 전력 증폭 장치
KR20060058423A (ko) 하이브리드 커플러가 없는 직렬구조의 도허티 증폭기
DE60142985D1 (de) Linearisierter klasse-c-verstärker mit dynamischem vorstrom
DE60127814D1 (de) Analoger reflektierender vorverzerrer für leistungsverstärker
CA2289396A1 (en) Feed forward compensation using phase and time modulation
SE0402524D0 (sv) Tunable predistorter
AU2003260008A1 (en) System and method for establishing the input impedance of an amplifier in a stacked configuration
ATE353490T1 (de) Linearisierer
WO2001054268A3 (en) Circuit for reducing second and third order intermodulation distortion for a broadband rf amplifier
WO2002052720A3 (de) Schaltungsanordnung zur rauscharmen volldifferenziellen verstärkung
DE69918394D1 (de) Begrenzungsschaltung für einen analogen Verstärker
EP0913928A3 (de) Leistungsverstärkervorrichtung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition