BR9808274A - Circuito de interface de potência para um amplificador de potência, transmissor de acesso múltiplo por divisão no tempo, e, processo para fornecer seletivamente uma tensão de alimentação a um amplificador de potência - Google Patents

Circuito de interface de potência para um amplificador de potência, transmissor de acesso múltiplo por divisão no tempo, e, processo para fornecer seletivamente uma tensão de alimentação a um amplificador de potência

Info

Publication number
BR9808274A
BR9808274A BR9808274-4A BR9808274A BR9808274A BR 9808274 A BR9808274 A BR 9808274A BR 9808274 A BR9808274 A BR 9808274A BR 9808274 A BR9808274 A BR 9808274A
Authority
BR
Brazil
Prior art keywords
power amplifier
power
interface circuit
multiple access
time division
Prior art date
Application number
BR9808274-4A
Other languages
English (en)
Portuguese (pt)
Inventor
Per-Olof Magnus Brandt
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
Publication of BR9808274A publication Critical patent/BR9808274A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/06—Modifications for ensuring a fully conducting state
    • H03K17/063—Modifications for ensuring a fully conducting state in field-effect transistor switches
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • H03F1/0244—Stepped control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
  • Electronic Switches (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Amplifiers (AREA)
  • Transceivers (AREA)
BR9808274-4A 1997-03-18 1998-03-17 Circuito de interface de potência para um amplificador de potência, transmissor de acesso múltiplo por divisão no tempo, e, processo para fornecer seletivamente uma tensão de alimentação a um amplificador de potência BR9808274A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/819,937 US5892403A (en) 1997-03-18 1997-03-18 Power interface circuit for a TDMA transmitter
PCT/SE1998/000484 WO1998042080A1 (en) 1997-03-18 1998-03-17 Power interface circuit for a tdma transmitter

Publications (1)

Publication Number Publication Date
BR9808274A true BR9808274A (pt) 2000-05-16

Family

ID=25229487

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9808274-4A BR9808274A (pt) 1997-03-18 1998-03-17 Circuito de interface de potência para um amplificador de potência, transmissor de acesso múltiplo por divisão no tempo, e, processo para fornecer seletivamente uma tensão de alimentação a um amplificador de potência

Country Status (10)

Country Link
US (1) US5892403A (enExample)
EP (1) EP0968569B1 (enExample)
JP (1) JP2001515673A (enExample)
KR (1) KR100464894B1 (enExample)
CN (1) CN1100397C (enExample)
AU (1) AU740807B2 (enExample)
BR (1) BR9808274A (enExample)
EE (1) EE9900408A (enExample)
MY (1) MY123877A (enExample)
WO (1) WO1998042080A1 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6148220A (en) 1997-04-25 2000-11-14 Triquint Semiconductor, Inc. Battery life extending technique for mobile wireless applications
SE9803960L (sv) 1998-11-19 2000-05-20 Ericsson Telefon Ab L M Mobiltelefon
US6373340B1 (en) * 2000-08-14 2002-04-16 K. S. Waves, Ltd. High-efficiency audio power amplifier
US6624702B1 (en) 2002-04-05 2003-09-23 Rf Micro Devices, Inc. Automatic Vcc control for optimum power amplifier efficiency
US20040072554A1 (en) * 2002-10-15 2004-04-15 Triquint Semiconductor, Inc. Automatic-bias amplifier circuit
US7010284B2 (en) 2002-11-06 2006-03-07 Triquint Semiconductor, Inc. Wireless communications device including power detector circuit coupled to sample signal at interior node of amplifier
US20040070454A1 (en) * 2002-10-15 2004-04-15 Triquint Semiconductor, Inc. Continuous bias circuit and method for an amplifier
US7058374B2 (en) * 2002-10-15 2006-06-06 Skyworks Solutions, Inc. Low noise switching voltage regulator
US20040125759A1 (en) * 2002-12-27 2004-07-01 Yochem Donald M. Method and mobile station for operating in accordance with a discontinuous transmission mode
US7177370B2 (en) * 2003-12-17 2007-02-13 Triquint Semiconductor, Inc. Method and architecture for dual-mode linear and saturated power amplifier operation
FR2890258B1 (fr) * 2005-08-30 2007-10-12 Thales Sa Dispositif et procede pour amplifier des signaux rf impulsionnels
KR100907255B1 (ko) * 2007-09-18 2009-07-10 한국전자통신연구원 유기 박막 트랜지스터를 구비하는 표시 장치
US20090072225A1 (en) * 2007-09-18 2009-03-19 Electronics And Telecommunications Research Institute Flat panel display device having organic thin film transistor and manufacturing method thereof
MY150267A (en) * 2008-08-13 2013-12-31 Motorola Solutions Inc Method and apparatus for controling output power of communication equipment
US8471404B2 (en) * 2009-09-16 2013-06-25 Silicon Laboratories Inc. System and method for supporting high burst current in a current limited system
JP5806076B2 (ja) * 2011-10-11 2015-11-10 古野電気株式会社 Ｒｆパルス信号生成用スイッチング回路、ｒｆパルス信号生成回路、および物標探知装置
KR101847678B1 (ko) * 2014-01-09 2018-04-10 주식회사 만도 제너 다이오드를 이용한 보호 회로 구현 방법 및 장치
CN105786143A (zh) * 2014-12-25 2016-07-20 鸿富锦精密工业(武汉)有限公司 电子设备供电系统
US9740326B2 (en) * 2015-03-31 2017-08-22 Synaptics Incorporated Sensor array with split-drive differential sensing

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5111084A (en) * 1990-05-31 1992-05-05 Westinghouse Electric Corp. Low loss drain pulser circuit for solid state microwave power amplifiers
JPH06261386A (ja) * 1993-03-05 1994-09-16 Pioneer Electron Corp ミューティング制御回路
US5423078A (en) * 1993-03-18 1995-06-06 Ericsson Ge Mobile Communications Inc. Dual mode power amplifier for analog and digital cellular telephones
JPH08204796A (ja) * 1995-01-24 1996-08-09 Oki Electric Ind Co Ltd 無線装置の電源制御回路
US5514995A (en) * 1995-01-30 1996-05-07 Micrel, Inc. PCMCIA power interface

Also Published As

Publication number Publication date
MY123877A (en) 2006-06-30
CN1257622A (zh) 2000-06-21
CN1100397C (zh) 2003-01-29
US5892403A (en) 1999-04-06
KR20000076423A (ko) 2000-12-26
EP0968569B1 (en) 2006-08-09
AU6530198A (en) 1998-10-12
KR100464894B1 (ko) 2005-01-05
AU740807B2 (en) 2001-11-15
EP0968569A1 (en) 2000-01-05
EE9900408A (et) 2000-04-17
WO1998042080A1 (en) 1998-09-24
HK1028498A1 (en) 2001-02-16
JP2001515673A (ja) 2001-09-18

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 9A E 10A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1971 DE 14/10/2008.