SG81339A1 - Burst-tyre transmission output power control apparatus capable of reducing phase errors - Google Patents

Burst-tyre transmission output power control apparatus capable of reducing phase errors

Info

Publication number
SG81339A1
SG81339A1 SG9906418A SG1999006418A SG81339A1 SG 81339 A1 SG81339 A1 SG 81339A1 SG 9906418 A SG9906418 A SG 9906418A SG 1999006418 A SG1999006418 A SG 1999006418A SG 81339 A1 SG81339 A1 SG 81339A1
Authority
SG
Singapore
Prior art keywords
burst
control apparatus
power control
output power
apparatus capable
Prior art date
Application number
SG9906418A
Other languages
English (en)
Inventor
Mochizuki Takuji
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of SG81339A1 publication Critical patent/SG81339A1/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3036Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H03G3/3047Automatic 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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/004Control by varying the supply voltage
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3036Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • H04B2001/0408Circuits with power amplifiers
    • H04B2001/0416Circuits with power amplifiers having gain or transmission power control

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Time-Division Multiplex Systems (AREA)
SG9906418A 1998-12-18 1999-12-17 Burst-tyre transmission output power control apparatus capable of reducing phase errors SG81339A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP36084598A JP3169002B2 (ja) 1998-12-18 1998-12-18 送信出力制御回路

Publications (1)

Publication Number Publication Date
SG81339A1 true SG81339A1 (en) 2001-06-19

Family

ID=18471171

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9906418A SG81339A1 (en) 1998-12-18 1999-12-17 Burst-tyre transmission output power control apparatus capable of reducing phase errors

Country Status (7)

Country Link
US (1) US6580901B1 (ko)
EP (1) EP1014570B1 (ko)
JP (1) JP3169002B2 (ko)
KR (1) KR100380429B1 (ko)
CN (1) CN1127806C (ko)
DE (1) DE69938121T2 (ko)
SG (1) SG81339A1 (ko)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7921546B2 (en) 1995-07-18 2011-04-12 Vishay Dale Electronics, Inc. Method for making a high current low profile inductor
FR2813487B1 (fr) * 2000-08-31 2002-11-29 Cit Alcatel Procede et dispositif de controle de l'amplification du signal emis par un terminal mobile permettant d'augmenter l'autonomie dudit terminal mobile
FR2813457B1 (fr) 2000-08-31 2003-01-31 Cit Alcatel Procede et circuit de controle permettant l'utilisation d'un amplificateur de puissance en technologie hbt dans un emetteur en architecture a frequence intermediaire nulle
US7471935B2 (en) * 2000-10-23 2008-12-30 Intel Corporation Automatic level control
DE10057439A1 (de) * 2000-11-20 2002-05-23 Nokia Mobile Phones Ltd Spannungsregler für eine gepulste Last, insbesondere für einen Mobiltelefon- oder Telematik-Sender
DE10106616A1 (de) * 2001-02-13 2002-08-22 Siemens Ag Verfahren zur Regelung der Verstärkung eines hochfrequenten Signals
US6983025B2 (en) * 2001-04-11 2006-01-03 Tropian, Inc. High quality power ramping in a communications transmitter
JP4342743B2 (ja) 2001-04-18 2009-10-14 富士通株式会社 線形増幅器
JP2003075520A (ja) * 2001-08-31 2003-03-12 Uchihashi Estec Co Ltd 磁界検出回路
JP2003124819A (ja) * 2001-10-16 2003-04-25 Sharp Corp 無線送信装置
US7079818B2 (en) * 2002-02-12 2006-07-18 Broadcom Corporation Programmable mutlistage amplifier and radio applications thereof
US6985751B2 (en) * 2002-03-07 2006-01-10 Siemens Communications, Inc. Combined open and closed loop power control with differential measurement
US7551688B2 (en) * 2002-04-18 2009-06-23 Nokia Corporation Waveforms for envelope tracking transmitter
JP3576537B2 (ja) * 2002-05-10 2004-10-13 松下電器産業株式会社 無線送信装置および無線送信方法
DE10251465A1 (de) * 2002-11-05 2004-05-19 Siemens Ag Verfahren zum Sendeleistungsabgleich bei einem mobilen Kommunikationsendgerät und Kommunikationsendgerät zur Durchführung des Verfahrens
DE10307426B4 (de) * 2003-02-21 2006-06-14 Infineon Technologies Ag Schaltungsanordnung zum Senden und Empfangen von Funksignalen und Verwendung einer solchen, sowie Verfahren zur Frequenzumsetzung in einer Verstärkungseinrichtung
EP1604456B1 (en) * 2003-03-12 2011-06-15 MediaTek Inc. Closed loop power control of non-constant envelope waveforms using sample/hold
US7805115B1 (en) * 2003-06-02 2010-09-28 Analog Devices, Inc. Variable filter systems and methods for enhanced data rate communication systems
US8000284B2 (en) * 2003-07-15 2011-08-16 Qualcomm Incorporated Cooperative autonomous and scheduled resource allocation for a distributed communication system
US7933235B2 (en) * 2003-07-15 2011-04-26 Qualcomm Incorporated Multiflow reverse link MAC for a communications system
US6927627B2 (en) * 2003-09-22 2005-08-09 Motorola, Inc. Amplifier power control in frequency hopping applications and methods
JP3841416B2 (ja) * 2003-10-07 2006-11-01 松下電器産業株式会社 送信装置、送信出力制御方法、および無線通信装置
US7356315B2 (en) * 2003-12-17 2008-04-08 Intel Corporation Outphasing modulators and methods of outphasing modulation
KR100595652B1 (ko) * 2004-02-12 2006-07-03 엘지전자 주식회사 이동 통신 단말기의 송신 전력 제어 장치 및 방법
JP2005252471A (ja) * 2004-03-02 2005-09-15 Fujitsu Ltd 無線通信装置及びその増幅回路の制御方法
CN100395964C (zh) * 2004-03-31 2008-06-18 华为技术有限公司 功率放大方法
US7023278B1 (en) * 2004-09-21 2006-04-04 Rockwell Collins, Inc. Digital power amplifier level control
JP2006135488A (ja) * 2004-11-04 2006-05-25 Sony Corp 電力制御装置及びこれを用いた無線通信装置
WO2007065478A1 (en) * 2005-12-07 2007-06-14 Freescale Semiconductor, Inc Wireless subscriber communication unit and method of power control with back-off therefore
US7348805B2 (en) * 2006-05-02 2008-03-25 International Business Machines Corporation Chip-to-chip digital transmission circuit delivering power over signal lines
US20070270111A1 (en) * 2006-05-19 2007-11-22 Broadcom Corporation Dual power mode transmitter
US7342445B2 (en) * 2006-05-30 2008-03-11 Motorola, Inc. Radio frequency power amplifier circuit and method
DE102006035663B4 (de) 2006-07-31 2013-08-08 Intel Mobile Communications GmbH Schaltungsanordnung
US7860467B2 (en) * 2006-08-29 2010-12-28 Broadcom Corporation Power control for a dual mode transmitter
JP4935379B2 (ja) * 2007-01-26 2012-05-23 富士通株式会社 電源装置および通信機器
US7684767B2 (en) * 2007-02-26 2010-03-23 Broadcom Corporation Voice, data and RF integrated circuit with multiple modulation modes and methods for use therewith
US7974317B2 (en) * 2007-12-20 2011-07-05 Qualcomm Incorporated Systems and methods for controlling the voltage of signals used to control power amplifiers
US8483633B2 (en) 2010-07-23 2013-07-09 Motorola Solutions, Inc. Method and apparatus for alarming in a power supply modulated system
US8417199B2 (en) 2010-07-23 2013-04-09 Motorola Solutions, Inc. Method and apparatus for improving efficiency in a power supply modulated system
JP6249657B2 (ja) * 2013-07-23 2017-12-20 シャープ株式会社 無線通信装置
FR3010817B1 (fr) * 2013-09-13 2016-12-23 Inside Secure Procede et dispositif d'emission de donnees par couplage inductif a auto-oscillation controlee
JP6565288B2 (ja) 2015-04-10 2019-08-28 富士通株式会社 無線装置
CN106896269A (zh) * 2015-12-18 2017-06-27 苏州普源精电科技有限公司 一种改善灵敏度的频谱分析仪
CN109217829B (zh) * 2018-07-26 2021-05-14 中国电子科技集团公司第二十九研究所 一种针对场效应管的误差放大器快速闭环系统
CN115372801B (zh) * 2022-10-24 2023-01-17 四川恒湾科技有限公司 一种基站射频单元功率放大器的校准方法及系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0546693A1 (en) * 1991-11-29 1993-06-16 Matsushita Electric Industrial Co., Ltd. Control circuit and method for transmission output
GB2323987A (en) * 1994-01-29 1998-10-07 Motorola Ltd A radio transceiver amplifier with closed loop gain control feedback for a trunked mode and open loop bias feedback for a direct mode
US5977833A (en) * 1996-12-30 1999-11-02 Alcatel Power supply circuit for a power amplifier of a mobile radio communication terminal

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2044672C (en) * 1990-06-16 1994-10-04 Hidehiko Norimatsu Burst control circuit for use in tdma communications system
US5214393A (en) * 1990-08-20 1993-05-25 Matsushita Electric Industrial Co., Ltd. Transmission output control circuit
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
DE69319553T2 (de) 1992-12-11 1999-02-18 Philips Electronics Nv Eintakt-in-Gegentakt-Umwandler
US5787336A (en) * 1994-11-08 1998-07-28 Space Systems/Loral, Inc. Satellite communication power management system
JP2972569B2 (ja) 1996-04-23 1999-11-08 埼玉日本電気株式会社 バースト信号の送信電力制御方式
JPH1023089A (ja) 1996-06-28 1998-01-23 Nec Corp 送信出力制御回路
JPH1022756A (ja) * 1996-07-04 1998-01-23 Mitsubishi Electric Corp 無線送信機およびその送信制御方法
JP3022364B2 (ja) 1996-12-24 2000-03-21 松下電器産業株式会社 送信出力制御回路
US6194963B1 (en) * 1998-11-18 2001-02-27 Ericsson Inc. Circuit and method for I/Q modulation with independent, high efficiency amplitude modulation
US6377784B2 (en) * 1999-02-09 2002-04-23 Tropian, Inc. High-efficiency modulation RF amplifier

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0546693A1 (en) * 1991-11-29 1993-06-16 Matsushita Electric Industrial Co., Ltd. Control circuit and method for transmission output
GB2323987A (en) * 1994-01-29 1998-10-07 Motorola Ltd A radio transceiver amplifier with closed loop gain control feedback for a trunked mode and open loop bias feedback for a direct mode
US5977833A (en) * 1996-12-30 1999-11-02 Alcatel Power supply circuit for a power amplifier of a mobile radio communication terminal

Also Published As

Publication number Publication date
JP3169002B2 (ja) 2001-05-21
DE69938121T2 (de) 2009-02-05
DE69938121D1 (de) 2008-03-27
KR100380429B1 (ko) 2003-04-18
CN1258964A (zh) 2000-07-05
JP2000183763A (ja) 2000-06-30
EP1014570A2 (en) 2000-06-28
CN1127806C (zh) 2003-11-12
KR20000052510A (ko) 2000-08-25
EP1014570A3 (en) 2000-11-08
US6580901B1 (en) 2003-06-17
EP1014570B1 (en) 2008-02-13

Similar Documents

Publication Publication Date Title
SG81339A1 (en) Burst-tyre transmission output power control apparatus capable of reducing phase errors
AU3100099A (en) Power converter circuit and method for controlling
EP0720286A3 (en) Output control circuit for a transmission power circuit
EP1044513A4 (en) POWER OUTPUT CONTROL SYSTEM FOR RF COMMUNICATIONS SYSTEM
GB2324441B (en) Transmission power control method
AU1469900A (en) Output circuit for cardiac control
EP0853393A4 (en) TRANSMITTED POWER CONTROL DEVICE
AU678946B2 (en) Power converter
AU2141800A (en) Apparatus for low power radio communications
AU4912797A (en) Appliance adapted for power line communications
AU691761B2 (en) Power conversion apparatus
AU6164799A (en) Ballast power control circuit
AU1500897A (en) Output power control device
GB2330987B (en) Transmission power control circuit
AU5247500A (en) Transmitting power control unit
AU7967698A (en) Method and apparatus for power output control and correction
AU1134100A (en) Reach-measurement method for power transmission lines
EP0735690A3 (de) Schaltung zur Leistungsregelung von Funkgeräten
AU695319B2 (en) Power converter
AU4147397A (en) Power converter providing desired output waveform
GB2303229B (en) Constant power output circuit
GB2355606B (en) Power transmission line and method of control
AU5066999A (en) Power converter
GB2341055B (en) Transmission power control circuit
AU7348200A (en) Head-voice control of computer or other output apparatus