BR0106262A - Circuito apereeiçoado na taxa de potência para um amplificador de potência rf em um telefone móvel de modo duplo - Google Patents

Circuito apereeiçoado na taxa de potência para um amplificador de potência rf em um telefone móvel de modo duplo

Info

Publication number
BR0106262A
BR0106262A BR0106262-0A BR0106262A BR0106262A BR 0106262 A BR0106262 A BR 0106262A BR 0106262 A BR0106262 A BR 0106262A BR 0106262 A BR0106262 A BR 0106262A
Authority
BR
Brazil
Prior art keywords
power amplifier
matching circuit
power
mobile phone
amps
Prior art date
Application number
BR0106262-0A
Other languages
English (en)
Inventor
Hark-Soo Kim
Original Assignee
Samsung Electronics Co 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of BR0106262A publication Critical patent/BR0106262A/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
    • H04B1/38—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
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • 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
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/56—Modifications of input or output impedances, not otherwise provided for
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • 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
    • H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
    • 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
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)

Abstract

"CIRCUITO APERFEIçOADO NA TAXA DE POTêNCIA PARA UM AMPLIFICADOR DE POTêNCIA RF EM UM TELEFONE MóVEL DE MODO DUPLO". é fornecido um circuito de aperfeiçoamento de taxa de potência para um amplificador de potência em um telefone móvel de modo duplo incluindo um amplificador de potência de RF para amplificar um sinal de entrada de RF, um duplexador conectado a uma antena, e um isolador conectado a um duplexador. O circuito de aperfeiçoamento de potência compreende ainda um circuito de casamento CDMA conectado a um terminal de saída do amplificador de potência de RF, para casar uma impedância de saída do amplificador de potência de RF em um modo de operação CDMA; um circuito de casamento AMPS conectado ao terminal de saída do amplificador de potência de RF, para casar uma impedância de saída do amplificador de potência de RF em um modo de operação AMPS; e uma chave seletora de RF para selecionar o circuito de casamento CDMA ou o circuito de casamento AMPS de acordo com um sinal de controle de modo. o circuito de casamento CDMA compreende um indutor conectado entre o terminal de saída do amplificador de potência de RF e o isolador. O circuito de casamento AMPS compreende um capacitor conectado entre a chave seletora de RF e um ponto de contato formado entre o indutor e o isolador.
BR0106262-0A 2001-01-20 2001-12-26 Circuito apereeiçoado na taxa de potência para um amplificador de potência rf em um telefone móvel de modo duplo BR0106262A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020010003387A KR20020062409A (ko) 2001-01-20 2001-01-20 듀얼모드 휴대용 무선 단말기의 전력증폭기 효율 개선 회로

Publications (1)

Publication Number Publication Date
BR0106262A true BR0106262A (pt) 2002-09-24

Family

ID=19704907

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0106262-0A BR0106262A (pt) 2001-01-20 2001-12-26 Circuito apereeiçoado na taxa de potência para um amplificador de potência rf em um telefone móvel de modo duplo

Country Status (4)

Country Link
US (1) US6950637B2 (pt)
KR (1) KR20020062409A (pt)
CN (1) CN1154390C (pt)
BR (1) BR0106262A (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100485350B1 (ko) * 2002-09-30 2005-04-28 주식회사 팬택앤큐리텔 안테나 매칭 선택 장치
GB2402273B (en) * 2003-05-30 2006-03-01 Qualcomm An apparatus for providing an oscillating signal to a load
KR100531879B1 (ko) * 2003-07-09 2005-11-29 엘지전자 주식회사 휴대폰의 고주파 수신회로
KR100595656B1 (ko) * 2004-02-25 2006-07-03 엘지전자 주식회사 파워앰프 모듈의 정합 제어회로
KR100672430B1 (ko) * 2004-11-10 2007-01-24 엘지전자 주식회사 이동통신 단말기의 ｇｐｓ 신호 수신장치 및 수신방법
KR100889562B1 (ko) 2006-05-10 2009-03-23 한국전자통신연구원 모바일 ｒｆｉｄ 기능을 갖는 이동통신 단말을 위한 전력증폭기 공유 시스템
KR100797121B1 (ko) 2006-10-02 2008-01-22 삼성전자주식회사 멀티 스탠바이 휴대 단말기의 파워 세이빙 방법 및 그 장치
CN101170780B (zh) * 2007-11-15 2011-05-25 中兴通讯股份有限公司 双模终端中防止两个无线模块之间电流倒灌的方法
US9143172B2 (en) * 2009-06-03 2015-09-22 Qualcomm Incorporated Tunable matching circuits for power amplifiers
US8963611B2 (en) * 2009-06-19 2015-02-24 Qualcomm Incorporated Power and impedance measurement circuits for a wireless communication device
US8750810B2 (en) * 2009-07-24 2014-06-10 Qualcomm Incorporated Power amplifier with switched output matching for multi-mode operation
US9559639B2 (en) * 2009-08-19 2017-01-31 Qualcomm Incorporated Protection circuit for power amplifier
US8072272B2 (en) 2009-08-19 2011-12-06 Qualcomm, Incorporated Digital tunable inter-stage matching circuit
CN101877916A (zh) * 2010-06-13 2010-11-03 中兴通讯股份有限公司 多模移动终端及其天线匹配的实现方法
JP6206698B2 (ja) * 2012-12-19 2017-10-04 株式会社村田製作所 電力増幅器
CN103973322A (zh) * 2013-01-30 2014-08-06 深圳富泰宏精密工业有限公司 无线通信装置
CN103219962B (zh) * 2013-04-15 2016-03-30 鞍钢集团矿业公司 可编程增益隔离放大电路及其实现方法
US9979080B2 (en) * 2015-07-29 2018-05-22 Qualcomm Incorporated Calibration and adaptive control of antenna tuners
CN110661573B (zh) * 2019-09-27 2020-12-08 京信通信系统（中国）有限公司 一种rof通信远端机及rof系统
DE102021102216A1 (de) * 2021-02-01 2022-08-04 Diehl Metering Systems Gmbh Verfahren zur Umgebungsdetektion eines uni- oder bidirektional funkkommunikationsfähigen Knotens

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5880631A (en) * 1996-02-28 1999-03-09 Qualcomm Incorporated High dynamic range variable gain amplifier
US6128508A (en) * 1996-12-27 2000-10-03 Lucent Technologies Inc. Communications system using multi-band amplifiers
US6188877B1 (en) * 1997-07-03 2001-02-13 Ericsson Inc. Dual-band, dual-mode power amplifier with reduced power loss
DE19823060C2 (de) * 1998-05-22 2001-02-22 Ericsson Telefon Ab L M Leistungsverstärker-Ausgangsschaltung
US6313698B1 (en) * 1999-09-24 2001-11-06 Qualcomm Incorporated Method and apparatus for wireless phone transmit power amplification with reduced power consumption
US6300827B1 (en) * 1999-12-09 2001-10-09 Maxim Integrated Products, Inc. Method and apparatus for cascaded ground return amplifier
US6389269B1 (en) * 2000-06-15 2002-05-14 Motorola, Inc. Method and apparatus for multiple band transmission
US6606483B1 (en) * 2000-10-10 2003-08-12 Motorola, Inc. Dual open and closed loop linear transmitter

Also Published As

Publication number Publication date
CN1154390C (zh) 2004-06-16
US6950637B2 (en) 2005-09-27
KR20020062409A (ko) 2002-07-26
US20020132596A1 (en) 2002-09-19
CN1367629A (zh) 2002-09-04

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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 8A., 9A. E 10A. ANUIDADE(S).

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 8.6 PUBLICADO NA RPI 2138 DE 27/12/2011.

B15K Others concerning applications: alteration of classification

Ipc: H04B 1/04 (2006.01), H03F 1/56 (2006.01), H03F 3/7