CN1134196C - 用于无线通信系统的手机单元的射频功率放大装置 - Google Patents
用于无线通信系统的手机单元的射频功率放大装置 Download PDFInfo
- Publication number
- CN1134196C CN1134196C CNB011179503A CN01117950A CN1134196C CN 1134196 C CN1134196 C CN 1134196C CN B011179503 A CNB011179503 A CN B011179503A CN 01117950 A CN01117950 A CN 01117950A CN 1134196 C CN1134196 C CN 1134196C
- Authority
- CN
- China
- Prior art keywords
- radio
- frequency power
- power amplifier
- radiofrequency signal
- mobile phone
- 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.)
- Expired - Fee Related
Links
- 238000004891 communication Methods 0.000 title claims abstract description 12
- 230000003321 amplification Effects 0.000 claims abstract description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
- H03F3/1935—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices with junction-FET devices
-
- 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
- H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Telephone Set Structure (AREA)
- Transmitters (AREA)
- Telephone Function (AREA)
Abstract
Description
Claims (4)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/561,305 | 2000-04-28 | ||
US09/561305 | 2000-04-28 | ||
US09/561,305 US6288608B1 (en) | 2000-04-28 | 2000-04-28 | Radio frequency power amplifier for a battery powered handset unit of a wireless communications system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1327348A CN1327348A (zh) | 2001-12-19 |
CN1134196C true CN1134196C (zh) | 2004-01-07 |
Family
ID=24241421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011179503A Expired - Fee Related CN1134196C (zh) | 2000-04-28 | 2001-04-27 | 用于无线通信系统的手机单元的射频功率放大装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6288608B1 (zh) |
JP (1) | JP4024010B2 (zh) |
CN (1) | CN1134196C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101651097B (zh) * | 2008-08-11 | 2011-06-15 | 南亚科技股份有限公司 | 非挥发性存储单元及其制造方法 |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6639465B2 (en) * | 2001-03-27 | 2003-10-28 | Skyworks Solutions, Inc. | Dynamic bias for a power amplifier |
JP4160381B2 (ja) * | 2002-12-27 | 2008-10-01 | ローム株式会社 | 音声出力装置を有する電子装置 |
DE10300431A1 (de) * | 2003-01-09 | 2004-07-22 | Deutsche Thomson-Brandt Gmbh | Regelbarer HF-Breitbandverstärker mit konstanter Eingangsimpedanz |
JP3875244B2 (ja) * | 2003-09-30 | 2007-01-31 | シャープ株式会社 | 無線通信用回路、無線通信装置、無線通信システム |
US7317903B2 (en) * | 2003-09-30 | 2008-01-08 | Sharp Kabushiki Kaisha | Wireless communication circuit, wireless communication apparatus, and wireless communication system |
KR20050100300A (ko) * | 2004-04-13 | 2005-10-18 | 엘지전자 주식회사 | 이동통신 단말기의 전력증폭기모드 선택장치 |
US7382186B2 (en) * | 2005-01-24 | 2008-06-03 | Triquint Semiconductor, Inc. | Amplifiers with high efficiency in multiple power modes |
US7385445B2 (en) * | 2005-07-21 | 2008-06-10 | Triquint Semiconductor, Inc. | High efficiency amplifier circuits having bypass paths |
US20070080750A1 (en) * | 2005-08-31 | 2007-04-12 | Triquint Semiconductor, Inc. | High efficiency amplifiers having multiple amplification paths |
KR100821197B1 (ko) * | 2005-10-17 | 2008-04-11 | 한국전자통신연구원 | 고효율 혼합모드 전력 증폭기 |
CN101079663B (zh) * | 2006-05-24 | 2012-12-05 | 方正通信技术有限公司 | 降低无线蜂窝系统邻小区干扰的方法、基站及系统 |
US7446605B2 (en) * | 2006-09-27 | 2008-11-04 | Infineon Technologies Ag | Amplifier arrangement with controllable gain and method for controlling an amplifier gain |
JP2008205827A (ja) * | 2007-02-20 | 2008-09-04 | Fujitsu Ltd | 増幅回路 |
US7982543B1 (en) | 2009-03-30 | 2011-07-19 | Triquint Semiconductor, Inc. | Switchable power amplifier |
CN101656515B (zh) * | 2009-09-04 | 2011-10-19 | 惠州市正源微电子有限公司 | 一种射频功率放大器高低功率合成电路 |
US8207798B1 (en) | 2009-09-09 | 2012-06-26 | Triquint Semiconductor, Inc. | Matching network with switchable capacitor bank |
CN102142819B (zh) * | 2011-03-04 | 2013-02-13 | 惠州市正源微电子有限公司 | 基于变压器的射频功率放大器 |
JP2013219724A (ja) * | 2012-04-12 | 2013-10-24 | Mitsubishi Electric Corp | 電力増幅器モジュール |
US9712125B2 (en) | 2015-02-15 | 2017-07-18 | Skyworks Solutions, Inc. | Power amplification system with shared common base biasing |
CN111082504B (zh) * | 2019-11-28 | 2021-08-03 | 中国船舶重工集团公司第七一九研究所 | 一种超低功耗启动的能量收集电路 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4598252A (en) * | 1984-07-06 | 1986-07-01 | Itt Corporation | Variable gain power amplifier |
JPH0454006A (ja) * | 1990-06-22 | 1992-02-21 | Fujitsu Ltd | 増幅装置 |
US5608353A (en) | 1995-03-29 | 1997-03-04 | Rf Micro Devices, Inc. | HBT power amplifier |
JP3757295B2 (ja) * | 1995-11-13 | 2006-03-22 | ブラザー工業株式会社 | 無線通信端末装置 |
US5872481A (en) | 1995-12-27 | 1999-02-16 | Qualcomm Incorporated | Efficient parallel-stage power amplifier |
-
2000
- 2000-04-28 US US09/561,305 patent/US6288608B1/en not_active Expired - Lifetime
-
2001
- 2001-04-25 JP JP2001127065A patent/JP4024010B2/ja not_active Expired - Fee Related
- 2001-04-27 CN CNB011179503A patent/CN1134196C/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101651097B (zh) * | 2008-08-11 | 2011-06-15 | 南亚科技股份有限公司 | 非挥发性存储单元及其制造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP4024010B2 (ja) | 2007-12-19 |
US6288608B1 (en) | 2001-09-11 |
CN1327348A (zh) | 2001-12-19 |
JP2002027104A (ja) | 2002-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1134196C (zh) | 用于无线通信系统的手机单元的射频功率放大装置 | |
US6522201B1 (en) | RF amplifier having switched load impedance for back-off power efficiency | |
CN109088604B (zh) | 一种可变增益低噪声放大器 | |
US7436257B2 (en) | High-efficiency mixed-mode power amplifier | |
US7688133B2 (en) | Power amplifier | |
US8710927B2 (en) | High-frequency power amplifier | |
US7427894B2 (en) | Dual-mode, dual-load high efficiency RF power amplifier | |
EP0687060A2 (en) | Power amplifier | |
US7486133B2 (en) | Transmitting output stage with adjustable output power and process for amplifying a signal in a transmitting output stage | |
US20100327969A1 (en) | Power amplifier having parallel amplification stages and associated impedance matching networks | |
US20040056712A1 (en) | Variable gain low noise amplifier | |
KR20050058306A (ko) | 증폭장치 | |
US20020021169A1 (en) | Combining networks for switchable path power amplifiers | |
CN101036288A (zh) | 双重偏置控制电路 | |
US7501897B2 (en) | High-power amplifier | |
US8704600B2 (en) | Power amplifier | |
US8653886B2 (en) | Method and arrangement in a mobile communications system | |
US6509798B2 (en) | Variable gain amplifier | |
CN109327194A (zh) | 一种宽带高线性带旁路功能的单片式低噪声放大器 | |
KR20020062512A (ko) | 지능형 스위칭 모드 전력증폭장치 | |
JP2007243872A (ja) | トランジスタ回路及びそれを用いた高周波増幅器 | |
CN104485904A (zh) | 一种宽带射频功率放大器 | |
Park et al. | Demonstration of on-chip appended power amplifier for improved efficiency at low power region | |
CN211089599U (zh) | 功率放大模块以及通信终端 | |
JPH0738404A (ja) | 出力切替増幅装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MEDIATEK INC. Free format text: FORMER OWNER: INTERNATIONAL BUSINESS MACHINE CORP. Effective date: 20060303 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20060303 Address after: Hsinchu Science Park, Taiwan, China Patentee after: MediaTek.Inc Address before: American New York Patentee before: International Business Machines Corp. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040107 Termination date: 20160427 |