SE9904860D0 - Power characteristic of a radio transmitter - Google Patents

Power characteristic of a radio transmitter

Info

Publication number
SE9904860D0
SE9904860D0 SE9904860A SE9904860A SE9904860D0 SE 9904860 D0 SE9904860 D0 SE 9904860D0 SE 9904860 A SE9904860 A SE 9904860A SE 9904860 A SE9904860 A SE 9904860A SE 9904860 D0 SE9904860 D0 SE 9904860D0
Authority
SE
Sweden
Prior art keywords
output power
ramping
radio transmitter
period
power characteristic
Prior art date
Application number
SE9904860A
Other languages
English (en)
Other versions
SE9904860L (sv
Inventor
Karl-Goesta Sahlman
Hans Eriksson
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
Priority to SE9904860A priority Critical patent/SE9904860L/sv
Publication of SE9904860D0 publication Critical patent/SE9904860D0/sv
Priority to AU27197/01A priority patent/AU2719701A/en
Priority to PCT/SE2000/002695 priority patent/WO2001050632A1/en
Priority to US10/169,141 priority patent/US6868279B2/en
Publication of SE9904860L publication Critical patent/SE9904860L/sv

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/001—Digital control of analog signals
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G2201/00—Indexing scheme relating to subclass H03G
    • H03G2201/70—Gain control characterized by the gain control parameter
    • H03G2201/708—Gain control characterized by the gain control parameter being temperature
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers

Landscapes

  • Transmitters (AREA)
SE9904860A 1999-12-30 1999-12-30 Effektkarakteristik hos en radiosändare SE9904860L (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9904860A SE9904860L (sv) 1999-12-30 1999-12-30 Effektkarakteristik hos en radiosändare
AU27197/01A AU2719701A (en) 1999-12-30 2000-12-29 Power characteristic of a radio transmitter
PCT/SE2000/002695 WO2001050632A1 (en) 1999-12-30 2000-12-29 Power characteristic of a radio transmitter
US10/169,141 US6868279B2 (en) 1999-12-30 2000-12-29 Power characteristic of a radio transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9904860A SE9904860L (sv) 1999-12-30 1999-12-30 Effektkarakteristik hos en radiosändare

Publications (2)

Publication Number Publication Date
SE9904860D0 true SE9904860D0 (sv) 1999-12-30
SE9904860L SE9904860L (sv) 2001-07-01

Family

ID=20418375

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9904860A SE9904860L (sv) 1999-12-30 1999-12-30 Effektkarakteristik hos en radiosändare

Country Status (4)

Country Link
US (1) US6868279B2 (sv)
AU (1) AU2719701A (sv)
SE (1) SE9904860L (sv)
WO (1) WO2001050632A1 (sv)

Families Citing this family (30)

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US7471935B2 (en) * 2000-10-23 2008-12-30 Intel Corporation Automatic level control
WO2002065724A1 (fr) * 2001-02-13 2002-08-22 Mitsubishi Denki Kabushiki Kaisha Procede de modulation de niveaux multiples, procede de demodulation de niveaux multiples, et procede de modulation/demodulation de niveaux multiples
EP1317064A1 (en) * 2001-11-28 2003-06-04 TTPCOM Limited Transmitter RF power control
JP3712985B2 (ja) * 2002-02-22 2005-11-02 アンリツ株式会社 直交変調器のキャリアリーク調整点検出方法、そのキャリアリーク調整方法、及び直交変調装置
FI20020990A (sv) 2002-05-27 2003-11-28 Nokia Corp Förfarande för reglering av signaleffekt i en sändare i ett radiosystem och en sändare i ett radiosystem
EP1401098B1 (en) * 2002-09-11 2008-10-15 Palm, Inc. Method and system for power control in radio transceivers and transmitters
US7289775B1 (en) * 2003-03-06 2007-10-30 Rf Micro Devices, Inc. Method for transmit power control
KR100604823B1 (ko) * 2003-07-11 2006-07-26 삼성전자주식회사 Ｇｓｍ과 ｇｐｒｓ 송신기의 전력 램핑 제어기 및 그 제어방법
US7522892B2 (en) * 2003-12-22 2009-04-21 Black Sand Technologies, Inc. Power amplifier with serial interface and associated methods
US7502601B2 (en) * 2003-12-22 2009-03-10 Black Sand Technologies, Inc. Power amplifier with digital power control and associated methods
US20050163255A1 (en) * 2004-01-22 2005-07-28 Broadcom Corporation System and method for simplifying analog processing in a transmitter
DE102004019336A1 (de) * 2004-04-21 2005-11-10 BSH Bosch und Siemens Hausgeräte GmbH Verfahren und Schaltungsanordnung zur Vermeidung oder zumindest zur Reduzierung von Störsignalen beim Abschalten einer Spannungsabgabeschaltung, insbesondere eines Hausgerätes
EP1508967A1 (en) * 2004-05-28 2005-02-23 Siemens Aktiengesellschaft A power amplifier module and a mobile terminal
US7167045B1 (en) 2004-06-07 2007-01-23 Marvell International Ltd. System and method for modifying output power of an information communication system
US7693491B2 (en) * 2004-11-30 2010-04-06 Broadcom Corporation Method and system for transmitter output power compensation
US7606538B2 (en) * 2006-07-14 2009-10-20 Infineon Technologies Ag Mixer circuit and method
US7643802B2 (en) * 2006-07-25 2010-01-05 Infineon Technologies Ag Mixer circuit and method for reducing an up-conversion mixer leakage
US7974596B2 (en) * 2006-09-22 2011-07-05 Silicon Laboratories Inc. Power control scheme for a power amplifier
US7830220B2 (en) * 2006-09-26 2010-11-09 Infineon Technologies Ag Modulator arrangement and method for signal modulation
US20100029228A1 (en) * 2006-12-21 2010-02-04 Alan Holden Edge power ramp using logarithmic resistor attenuator
US8204460B2 (en) * 2007-08-08 2012-06-19 Qualcomm Incorporated Method and system for precise transmit power adjustment in wireless communication systems
EP2218173B1 (en) * 2007-11-23 2011-11-16 ST-Ericsson SA Amplitude modulation controller for polar transmitter using coarse and fine power control
US8315581B2 (en) * 2008-09-18 2012-11-20 Intel Mobile Communications GmbH Transmitter with hybrid closed loop power control
US8422969B2 (en) * 2010-08-20 2013-04-16 Microelectronics Technology Inc. Radio frequency transceiver
US8874051B2 (en) 2010-12-03 2014-10-28 Skyworks Solutions, Inc. Systems and methods for power control in a multiple standard mobile transmitter
WO2012098438A1 (en) * 2011-01-21 2012-07-26 Freescale Semiconductor, Inc. Transmitter and method of operating a transmitter
US8471629B2 (en) 2011-06-30 2013-06-25 Silicon Laboratories Inc Providing automatic power control for a power amplifier
CA2814303A1 (en) 2013-04-26 2014-10-26 Cellphone-Mate, Inc. Apparatus and methods for radio frequency signal boosters
US9923529B2 (en) 2016-02-03 2018-03-20 Samsung Electronics Co., Ltd Customizable ramp-up and ramp-down amplitude profiles for a digital power amplifier (DPA) based transmitter
JP2021121054A (ja) 2020-01-30 2021-08-19 国立研究開発法人宇宙航空研究開発機構 増幅装置、送受信システム

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8826918D0 (en) * 1988-11-17 1988-12-21 Motorola Inc Power amplifier for radio frequency signal
JP2800500B2 (ja) 1991-10-01 1998-09-21 松下電器産業株式会社 バースト送信出力制御回路
US5282226A (en) * 1992-04-27 1994-01-25 Hughes Aircraft Company System and method for transmission of bursts of digital information
US5940382A (en) * 1996-06-27 1999-08-17 Interdigital Technology Corporation Virtual locating of a fixed subscriber unit to reduce re-acquisition time
US5809017A (en) * 1995-12-19 1998-09-15 Telefonaktiebolaget Lm Ericsson Method of minimizing undersirable RF emissions within a TDMA system
US6169886B1 (en) * 1998-11-02 2001-01-02 Motorola, Inc. Power amplifier control according to a delayed waveform suitable for use in a communication device
FI107478B (sv) * 1999-12-03 2001-08-15 Nokia Networks Oy Digital rampgenerator med uteffektkontroll
US6795712B1 (en) * 2000-09-20 2004-09-21 Skyworks Solutions, Inc. System for allowing a TDMA/CDMA portable transceiver to operate with closed loop power control
US6792282B1 (en) * 2000-09-21 2004-09-14 Skyworks Solutions, Inc. Multiple step switched translation loop for power amplifier feedback control
US6801784B1 (en) * 2000-11-02 2004-10-05 Skyworks Solutions, Inc. Continuous closed-loop power control system including modulation injection in a wireless transceiver power amplifier

Also Published As

Publication number Publication date
US6868279B2 (en) 2005-03-15
WO2001050632A1 (en) 2001-07-12
US20030040290A1 (en) 2003-02-27
AU2719701A (en) 2001-07-16
SE9904860L (sv) 2001-07-01

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