ATE239323T1 - Verstärker - Google Patents

Verstärker

Info

Publication number
ATE239323T1
ATE239323T1 AT00956490T AT00956490T ATE239323T1 AT E239323 T1 ATE239323 T1 AT E239323T1 AT 00956490 T AT00956490 T AT 00956490T AT 00956490 T AT00956490 T AT 00956490T AT E239323 T1 ATE239323 T1 AT E239323T1
Authority
AT
Austria
Prior art keywords
input signal
reference level
amplifier
feedback loop
compensation value
Prior art date
Application number
AT00956490T
Other languages
English (en)
Inventor
Torbjoern Olsson
Original Assignee
Ericsson Telefon Ab L M
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 Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE239323T1 publication Critical patent/ATE239323T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/04—Modifications of control circuit to reduce distortion caused by control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals

Landscapes

  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Optical Communication System (AREA)
  • Control Of Amplification And Gain Control (AREA)
AT00956490T 1999-09-09 2000-08-25 Verstärker ATE239323T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9921344A GB2354125A (en) 1999-09-09 1999-09-09 A TDMA transmitter with feedback power control loop offset compensation
PCT/EP2000/008348 WO2001018957A1 (en) 1999-09-09 2000-08-25 Amplifier

Publications (1)

Publication Number Publication Date
ATE239323T1 true ATE239323T1 (de) 2003-05-15

Family

ID=10860652

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00956490T ATE239323T1 (de) 1999-09-09 2000-08-25 Verstärker

Country Status (10)

Country Link
US (1) US6429739B1 (de)
EP (1) EP1219024B1 (de)
JP (1) JP2003509887A (de)
CN (1) CN1373929A (de)
AT (1) ATE239323T1 (de)
AU (1) AU6841100A (de)
DE (1) DE60002494T2 (de)
GB (1) GB2354125A (de)
MY (1) MY133489A (de)
WO (1) WO2001018957A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6167242A (en) * 1999-04-23 2000-12-26 Linear Technology Corporation Offset voltage cancellation system for radio frequency power controllers
GB2354125A (en) * 1999-09-09 2001-03-14 Ericsson Telefon Ab L M A TDMA transmitter with feedback power control loop offset compensation
DE10125023A1 (de) * 2001-05-22 2002-12-12 Infineon Technologies Ag Transmitter zur Übertragung digitaler Daten über eine Übertragungsleitung
KR100591700B1 (ko) * 2001-10-06 2006-07-03 엘지노텔 주식회사 배열 안테나 시스템에서 신호 경로 탐색 방법 및 이를위한 장치
US6897730B2 (en) * 2003-03-04 2005-05-24 Silicon Laboratories Inc. Method and apparatus for controlling the output power of a power amplifier
US8729962B2 (en) 2011-12-15 2014-05-20 Qualcomm Incorporated Millimeter wave power amplifier
ES2991606T3 (es) * 2017-10-30 2024-12-04 Carrier Corp Compensador en un dispositivo detector
WO2019152395A1 (en) 2018-01-31 2019-08-08 Bio-Rad Laboratories, Inc. Methods and compositions for deconvoluting partition barcodes

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960000775B1 (ko) * 1990-10-19 1996-01-12 닛본덴기 가부시끼가이샤 고주파 전력 증폭기의 출력레벨 제어회로
SE470035B (sv) 1992-03-17 1993-10-25 Ericsson Ge Mobile Communicat Anordning för eliminering av offsetfel i en effektreglerkrets för ett pulsat sändarslutsteg
JP3071582B2 (ja) * 1992-11-09 2000-07-31 日本電気株式会社 電力増幅効率の調整方法
DE59509199D1 (de) * 1994-07-18 2001-05-23 Infineon Technologies Ag Schaltungsanordnung, insbesondere für digitale Modulationseinrichtungen
GB2301247A (en) * 1995-05-22 1996-11-27 Univ Bristol A cartesian loop transmitter amplifier
JPH09199961A (ja) * 1996-01-22 1997-07-31 Oki Electric Ind Co Ltd Ａｇｃ装置
US6173160B1 (en) * 1996-11-18 2001-01-09 Nokia Mobile Phones Limited Mobile station having drift-free pulsed power detection method and apparatus
JPH10173456A (ja) * 1996-12-11 1998-06-26 Fujitsu Ltd 信号増幅回路
US5960333A (en) * 1997-03-31 1999-09-28 Ericsson Inc. Circuitry and method for power calibration
GB2330960A (en) * 1997-10-29 1999-05-05 Nokia Telecommunications Oy Feedback rf power control with offset stored during off period removed during on period
GB2354125A (en) * 1999-09-09 2001-03-14 Ericsson Telefon Ab L M A TDMA transmitter with feedback power control loop offset compensation

Also Published As

Publication number Publication date
JP2003509887A (ja) 2003-03-11
CN1373929A (zh) 2002-10-09
GB9921344D0 (en) 1999-11-10
MY133489A (en) 2007-11-30
US6429739B1 (en) 2002-08-06
EP1219024A1 (de) 2002-07-03
EP1219024B1 (de) 2003-05-02
AU6841100A (en) 2001-04-10
DE60002494T2 (de) 2004-04-08
GB2354125A (en) 2001-03-14
WO2001018957A1 (en) 2001-03-15
DE60002494D1 (de) 2003-06-05

Similar Documents

Publication Publication Date Title
TW200600995A (en) DC-DC regulator with switching frequency responsive to load
ATE504180T1 (de) Drahtlose kommunikationseinheit und leistungsregelsystem dafür
GB2345398B (en) Wireless communication apparatus with transmission power controller and method thereof
WO2004082135A3 (en) Closed loop power control of non-constant envelope waveforms using sample/hold
WO2007100697A3 (en) Class-e radio frequency power amplifier with feedback control
ATE316664T1 (de) Servosteuerungsgerät welches die absolutwerte von eingangssignalen anwendet
TW200707157A (en) Constant-voltage power supply circuit with fold-back-type overcurrent protection circuit
DE60209363D1 (de) Leistungsverstärker (pa) mit verbesserter leistungsregelung
AU2002216686A1 (en) Amplitude and phase modulator
TW200637138A (en) Power control system for a wireless communication unit
TW200617635A (en) Voltage regulator circuit with low quiescent current
WO2004023648A3 (en) Amplifier power control circuit
DE60002494D1 (de) Verstärker
CA2154584A1 (en) An amplifier for use in a radiotelephone
WO2006056952A3 (en) Current limiting circuit for rf power amplifier
TW200634476A (en) Tunable reference voltage generator
AU2003291864A8 (en) Gain compensation over temperature and frequency variations in wireless transceivers
HK1045767A1 (zh) 用於無線手機的功率放大器驅動系統
NO994683D0 (no) Effektstyring av RF-signaler med en tilleggsmodul
ATE400922T1 (de) Stromgesteuerter leistungsverstärker
WO2001073918A3 (en) Power circuit with double current limiting
ATE265108T1 (de) Verfahren und vorrichtung zur dualmodusleistungregelung eines funktelefons
DE60232198D1 (de) Frequenzmodulator unter verwendung geschalteter kapazitäten
ATE114208T1 (de) Schaltungsanordnung zur regelung des pegels elektrischer signale.
JPH0198304A (ja) 電力増幅回路装置

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties