WO2004051846A3 - Gain compensation over temperature and frequency variations in wireless transceivers - Google Patents

Gain compensation over temperature and frequency variations in wireless transceivers Download PDF

Info

Publication number
WO2004051846A3
WO2004051846A3 PCT/CA2003/001884 CA0301884W WO2004051846A3 WO 2004051846 A3 WO2004051846 A3 WO 2004051846A3 CA 0301884 W CA0301884 W CA 0301884W WO 2004051846 A3 WO2004051846 A3 WO 2004051846A3
Authority
WO
WIPO (PCT)
Prior art keywords
gain
signal
over temperature
frequency variations
compensation over
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.)
Ceased
Application number
PCT/CA2003/001884
Other languages
French (fr)
Other versions
WO2004051846A2 (en
Inventor
Steven P Morton
Qing Zhong Jiao
Xin Jin
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.)
BlackBerry Ltd
Original Assignee
Research in Motion Ltd
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 Research in Motion Ltd filed Critical Research in Motion Ltd
Priority to EP03767322A priority Critical patent/EP1570571B1/en
Priority to HK05110138.7A priority patent/HK1080308B/en
Priority to CA2508671A priority patent/CA2508671C/en
Priority to DE60312213T priority patent/DE60312213T2/en
Priority to AU2003291864A priority patent/AU2003291864A1/en
Publication of WO2004051846A2 publication Critical patent/WO2004051846A2/en
Publication of WO2004051846A3 publication Critical patent/WO2004051846A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Transceivers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

Systems and methods are provided for controlling gain compensation over temperature and frequency variations. A variable amplifier may be used to receive a control signal and an input signal. The variable amplifier may be operable to apply a gain to the input signal to generate an output signal, wherein the gain is a function of the control signal. A summation module may be used to combine a gain reference signal and a gain variation signal to generate the control signal. The gain reference signal may be calibrated at a reference temperature and a reference frequency. A gain calibration module may be used to output the gain variation signal as a function of both a current operating temperature and a current operating frequency.
PCT/CA2003/001884 2002-12-04 2003-12-02 Gain compensation over temperature and frequency variations in wireless transceivers Ceased WO2004051846A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP03767322A EP1570571B1 (en) 2002-12-04 2003-12-02 Gain compensation over temperature and frequency variations in wireless transceivers
HK05110138.7A HK1080308B (en) 2002-12-04 2003-12-02 Gain compensation over temperature and frequency variations in wireless transceivers
CA2508671A CA2508671C (en) 2002-12-04 2003-12-02 Gain compensation over temperature and frequency variations in wireless transceivers
DE60312213T DE60312213T2 (en) 2002-12-04 2003-12-02 AMPLIFICATION COMPENSATION FOR TEMPERATURE AND FREQUENCY VARIATIONS
AU2003291864A AU2003291864A1 (en) 2002-12-04 2003-12-02 Gain compensation over temperature and frequency variations in wireless transceivers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43095502P 2002-12-04 2002-12-04
US60/430,955 2002-12-04

Publications (2)

Publication Number Publication Date
WO2004051846A2 WO2004051846A2 (en) 2004-06-17
WO2004051846A3 true WO2004051846A3 (en) 2004-10-28

Family

ID=32469570

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CA2003/001884 Ceased WO2004051846A2 (en) 2002-12-04 2003-12-02 Gain compensation over temperature and frequency variations in wireless transceivers

Country Status (7)

Country Link
US (1) US7356102B2 (en)
EP (1) EP1570571B1 (en)
AT (1) ATE355650T1 (en)
AU (1) AU2003291864A1 (en)
CA (1) CA2508671C (en)
DE (1) DE60312213T2 (en)
WO (1) WO2004051846A2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7720469B2 (en) * 2005-12-29 2010-05-18 Nokia Corporation Frequency calibration of wireless telecommunication device
US8670356B1 (en) * 2006-11-09 2014-03-11 Broadcom Corporation Fast frequency hopping full-duplex radio
US7639082B2 (en) * 2007-07-24 2009-12-29 Texas Instruments Incorporated System and method for amplifier gain measurement and compensation
JP5006759B2 (en) * 2007-10-29 2012-08-22 Ｈｏｙａ株式会社 Signal processing apparatus for electronic endoscope and electronic endoscope apparatus
WO2010026445A1 (en) 2008-09-03 2010-03-11 Freescale Semiconductor, Inc. Wireless communication unit, integrated circuit and method of power control of a power amplifier therefor
US8750525B2 (en) * 2010-01-28 2014-06-10 Harris Corporation Method to maximize loudspeaker sound pressure level with a high peak to average power ratio audio source
US9264077B2 (en) 2012-05-31 2016-02-16 Blackberry Limited Mobile communications device including an RF transmitter providing impedance fluctuation dampening and related methods
FR3023998B1 (en) * 2014-07-18 2018-03-23 Thales Sa METHOD FOR DIGITAL COMPENSATION OF TEMPERATURE-BASED CHANGES IN THE ELECTRICAL SIZE OF AN INBOAT SPACE RADIO FREQUENCY TELECOMMUNICATIONS EQUIPMENT
GB2534949B (en) 2015-02-02 2017-05-10 Cirrus Logic Int Semiconductor Ltd Loudspeaker protection
US20170273543A1 (en) 2015-08-13 2017-09-28 Hoya Corporation Evaluation value calculation device and electronic endoscope system
US20170280971A1 (en) 2015-08-13 2017-10-05 Hoya Corporation Evaluation value calculation device and electronic endoscope system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0396347A2 (en) * 1989-04-27 1990-11-07 Nec Corporation Radio transmitter capable of compensating for a frequency characteristic of an antenna and/or a coupling circuit
US6115587A (en) * 1997-01-31 2000-09-05 Samsung Electronics Co., Ltd. Radio signal power control method according to variation of frequency and temperature in paging transmitter
US6418301B1 (en) * 1999-08-04 2002-07-09 Harris Corporation Methods for radio calibration at room temperature

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2151533A5 (en) * 1971-09-01 1973-04-20 Inst Francais Du Petrole
JPS55158715A (en) * 1979-05-29 1980-12-10 Sony Corp Gain control circuit
KR0133338B1 (en) * 1994-12-16 1998-04-21 양승택 Digital automatic gain control device for satellite repeater
CA2163692C (en) * 1995-11-24 2001-08-07 Claude Belisle Design of an electronic beam forming network for phased array applications
US5982824A (en) * 1995-12-18 1999-11-09 Lucent Technologies, Inc. Method and apparatus for automatic gain control
US6639983B1 (en) * 1998-01-20 2003-10-28 Intel Corporation Adaptable line driver interface for digital telephone systems
JP3314724B2 (en) * 1998-06-02 2002-08-12 日本電気株式会社 Power amplifier circuit and automatic power control method
US6480061B2 (en) * 1999-01-13 2002-11-12 Nortel Networks Limited Amplifier having digital micro processor control apparatus
US6498471B2 (en) * 1999-05-04 2002-12-24 A. Clifford Barker Apparatus and method for direct digital measurement of electrical properties of passive components
JP4342743B2 (en) * 2001-04-18 2009-10-14 富士通株式会社 Linear amplifier
JP4642272B2 (en) * 2001-05-29 2011-03-02 パナソニック株式会社 Transmission output correction device
US7076201B2 (en) * 2002-09-05 2006-07-11 Xytrans, Inc. Low cost VSAT MMIC transceiver with automatic power control

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0396347A2 (en) * 1989-04-27 1990-11-07 Nec Corporation Radio transmitter capable of compensating for a frequency characteristic of an antenna and/or a coupling circuit
US6115587A (en) * 1997-01-31 2000-09-05 Samsung Electronics Co., Ltd. Radio signal power control method according to variation of frequency and temperature in paging transmitter
US6418301B1 (en) * 1999-08-04 2002-07-09 Harris Corporation Methods for radio calibration at room temperature

Also Published As

Publication number Publication date
WO2004051846A2 (en) 2004-06-17
EP1570571B1 (en) 2007-02-28
DE60312213T2 (en) 2007-10-31
US7356102B2 (en) 2008-04-08
EP1570571A2 (en) 2005-09-07
AU2003291864A1 (en) 2004-06-23
CA2508671A1 (en) 2004-06-17
ATE355650T1 (en) 2006-03-15
US20040213355A1 (en) 2004-10-28
AU2003291864A8 (en) 2004-06-23
CA2508671C (en) 2010-05-11
DE60312213D1 (en) 2007-04-12
HK1080308A1 (en) 2006-04-21

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