ATE487274T1 - Leistungsverstärker mit bypass-pfad - Google Patents

Leistungsverstärker mit bypass-pfad

Info

Publication number
ATE487274T1
ATE487274T1 AT07004546T AT07004546T ATE487274T1 AT E487274 T1 ATE487274 T1 AT E487274T1 AT 07004546 T AT07004546 T AT 07004546T AT 07004546 T AT07004546 T AT 07004546T AT E487274 T1 ATE487274 T1 AT E487274T1
Authority
AT
Austria
Prior art keywords
power amplifier
bypass path
path
circulator
resistor
Prior art date
Application number
AT07004546T
Other languages
English (en)
Inventor
Ralph Kaufman
Darin Hunzeker
Richard Camarillo
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE487274T1 publication Critical patent/ATE487274T1/de

Links

Classifications

    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
    • H03F3/602—Combinations of several amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H03F2203/7231—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into cascade or not, by choosing between amplifiers by one or more switch(es)
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H03F2203/7239—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into parallel or not, by choosing between amplifiers and shunting lines by one or more switch(es)

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
AT07004546T 1998-09-22 1999-09-22 Leistungsverstärker mit bypass-pfad ATE487274T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/158,456 US6060949A (en) 1998-09-22 1998-09-22 High efficiency switched gain power amplifier
US09/248,048 US6208202B1 (en) 1998-09-22 1999-02-10 High efficiency switched gain power amplifier

Publications (1)

Publication Number Publication Date
ATE487274T1 true ATE487274T1 (de) 2010-11-15

Family

ID=22568216

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07004546T ATE487274T1 (de) 1998-09-22 1999-09-22 Leistungsverstärker mit bypass-pfad

Country Status (6)

Country Link
US (2) US6060949A (de)
EP (1) EP1798856B1 (de)
JP (1) JP2010183641A (de)
AT (1) ATE487274T1 (de)
DE (1) DE69942923D1 (de)
HK (1) HK1039693A1 (de)

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US7061993B2 (en) * 2001-08-29 2006-06-13 Sony Corporation CDMA receiver architecture for lower bypass switch point
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US6812786B2 (en) * 2002-04-11 2004-11-02 Andrew Corporation Zero-bias bypass switching circuit using mismatched 90 degrees hybrid
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US7308042B2 (en) * 2004-02-27 2007-12-11 Research In Motion Limited Method and apparatus for optimizing transmitter power efficiency
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KR100654646B1 (ko) * 2004-10-11 2006-12-08 아바고테크놀로지스코리아 주식회사 전력증폭기의 온도보상 바이어스 회로
CN101120265B (zh) * 2004-12-27 2012-08-08 意大利电信股份公司 用于在无线通信网络中定位移动终端的混合定位方法和系统
DE102005044620B4 (de) * 2005-09-19 2010-05-27 Infineon Technologies Ag Front-End-Modul für drahtlose Kommunikationsmittel
KR100728293B1 (ko) * 2005-10-05 2007-06-13 삼성전자주식회사 감쇠 기능을 갖는 튜너 및 그 제어방법
KR100821197B1 (ko) * 2005-10-17 2008-04-11 한국전자통신연구원 고효율 혼합모드 전력 증폭기
US8229377B2 (en) * 2006-03-31 2012-07-24 Silicon Laboratories Inc. Dual antenna communications device
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US8761305B2 (en) 2006-06-14 2014-06-24 Blackberry Limited Input drive control for switcher regulated power amplifier modules
BRPI0702890B1 (pt) 2006-06-14 2018-12-04 Blackberry Ltd transmissor para um dispositivo de comunicação sem fio e método de fornecer um sinal de voltagem de suprimento
US20080143320A1 (en) * 2006-10-27 2008-06-19 Agilent Technologies, Inc. Power Sensor with Switched-In Signal Amplification Path
US7427894B2 (en) * 2006-12-06 2008-09-23 Avago Technologies Wireless Ip (Singapore) Pte Ltd. Dual-mode, dual-load high efficiency RF power amplifier
US7616054B2 (en) 2007-01-09 2009-11-10 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Multiple output power mode amplifier
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US7554392B2 (en) * 2007-04-24 2009-06-30 Avago Technologies Wireless Ip (Singapore) Pte. Ltd. Multiple output power mode amplifier
KR100880448B1 (ko) * 2007-08-10 2009-01-29 한국전자통신연구원 저소비전력 혼합모드 전력증폭장치
CN101904104B (zh) * 2007-12-17 2013-04-17 松下电器产业株式会社 带旁路电路的放大电路和使用它的电子机器
US7795980B2 (en) * 2008-06-13 2010-09-14 Freescale Semiconductor, Inc. Power amplifiers having improved protection against avalanche current
TW201014213A (en) * 2008-09-29 2010-04-01 Realtek Semiconductor Corp WLAN transceiving system
JP5255986B2 (ja) * 2008-10-20 2013-08-07 株式会社日立ハイテクノロジーズ パターンドメディアの検査方法及び検査装置
US8629719B2 (en) * 2010-02-04 2014-01-14 Epcos Ag Amplifier circuit and method for signal sensing
US8362649B2 (en) 2010-06-18 2013-01-29 R2 Semiconductor, Inc. Multi-use voltage regulator
US8620238B2 (en) 2010-07-23 2013-12-31 Blackberry Limited Method of power amplifier switching power control using post power amplifier power detection
JP5578053B2 (ja) * 2010-12-03 2014-08-27 三菱電機株式会社 電力増幅器
US9048940B2 (en) * 2012-08-31 2015-06-02 Clear Rf, Llc Passive bypass for network extending
US9431969B2 (en) 2012-12-11 2016-08-30 Rf Micro Devices, Inc. Doherty power amplifier with tunable impedance load
US9397617B2 (en) 2013-06-25 2016-07-19 Rf Micro Devices, Inc. Multi-broadband Doherty power amplifier
US9948243B2 (en) 2013-09-30 2018-04-17 Qorvo Us, Inc. Reconfigurable load modulation amplifier
US9484865B2 (en) 2013-09-30 2016-11-01 Qorvo Us, Inc. Reconfigurable load modulation amplifier
US9369095B2 (en) * 2014-01-27 2016-06-14 Rf Micro Devices, Inc. Unbalanced linear power amplifier
EP3542466B1 (de) * 2016-11-15 2023-09-20 Wilson Electronics, LLC Desktop-signalverstärker
US10910714B2 (en) 2017-09-11 2021-02-02 Qualcomm Incorporated Configurable power combiner and splitter
US20240097622A1 (en) * 2022-09-19 2024-03-21 Samsung Electronics Co., Ltd. Rf circuit for preventing damage to power amplifier
CN115913127A (zh) * 2022-12-28 2023-04-04 苏州立讯技术有限公司 信号放大装置和信号放大设备
US20250240114A1 (en) * 2024-01-23 2025-07-24 Qualcomm Incorporated Antenna tuner with jammer rejection

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JPH09232815A (ja) * 1996-02-23 1997-09-05 Kokusai Electric Co Ltd 高周波用可変減衰器
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JP2000022559A (ja) * 1998-07-03 2000-01-21 Nec Corp 送信出力制御回路
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Also Published As

Publication number Publication date
JP2010183641A (ja) 2010-08-19
EP1798856B1 (de) 2010-11-03
HK1039693A1 (zh) 2002-05-03
DE69942923D1 (de) 2010-12-16
US6060949A (en) 2000-05-09
HK1112662A1 (en) 2008-09-12
US6208202B1 (en) 2001-03-27
EP1798856A1 (de) 2007-06-20

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties