CN1087521C - 放大信号的方法和装置 - Google Patents
放大信号的方法和装置 Download PDFInfo
- Publication number
- CN1087521C CN1087521C CN98116003A CN98116003A CN1087521C CN 1087521 C CN1087521 C CN 1087521C CN 98116003 A CN98116003 A CN 98116003A CN 98116003 A CN98116003 A CN 98116003A CN 1087521 C CN1087521 C CN 1087521C
- Authority
- CN
- China
- Prior art keywords
- voltage
- drain electrode
- signal
- power
- drain
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000005669 field effect Effects 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000003321 amplification Effects 0.000 claims description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 12
- 238000004891 communication Methods 0.000 description 10
- 230000001413 cellular effect Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 241001125929 Trisopterus luscus Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization 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
-
- 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
- H03F1/0216—Continuous control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/004—Control by varying the supply voltage
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/890,819 US6025753A (en) | 1997-07-11 | 1997-07-11 | Method and apparatus for amplifying a signal |
US890,819 | 1997-07-11 | ||
US890819 | 1997-07-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1208283A CN1208283A (zh) | 1999-02-17 |
CN1087521C true CN1087521C (zh) | 2002-07-10 |
Family
ID=25397182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98116003A Expired - Lifetime CN1087521C (zh) | 1997-07-11 | 1998-07-10 | 放大信号的方法和装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6025753A (zh) |
CN (1) | CN1087521C (zh) |
FR (1) | FR2766030B1 (zh) |
GB (1) | GB2327308B (zh) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6236271B1 (en) * | 1997-09-30 | 2001-05-22 | Conexant Systems, Inc. | Multi-layer carrier module for power amplifier systems within a digital cellular telephone |
JP2002111415A (ja) * | 2000-09-29 | 2002-04-12 | Hitachi Ltd | 高周波電力増幅装置及び無線通信機 |
US6701138B2 (en) | 2001-06-11 | 2004-03-02 | Rf Micro Devices, Inc. | Power amplifier control |
US6724252B2 (en) * | 2002-02-21 | 2004-04-20 | Rf Micro Devices, Inc. | Switched gain amplifier circuit |
US20040070454A1 (en) * | 2002-10-15 | 2004-04-15 | Triquint Semiconductor, Inc. | Continuous bias circuit and method for an amplifier |
US6701134B1 (en) | 2002-11-05 | 2004-03-02 | Rf Micro Devices, Inc. | Increased dynamic range for power amplifiers used with polar modulation |
US7177370B2 (en) * | 2003-12-17 | 2007-02-13 | Triquint Semiconductor, Inc. | Method and architecture for dual-mode linear and saturated power amplifier operation |
US7109791B1 (en) | 2004-07-09 | 2006-09-19 | Rf Micro Devices, Inc. | Tailored collector voltage to minimize variation in AM to PM distortion in a power amplifier |
US7336127B2 (en) * | 2005-06-10 | 2008-02-26 | Rf Micro Devices, Inc. | Doherty amplifier configuration for a collector controlled power amplifier |
US7330071B1 (en) | 2005-10-19 | 2008-02-12 | Rf Micro Devices, Inc. | High efficiency radio frequency power amplifier having an extended dynamic range |
CN101087161B (zh) * | 2007-07-17 | 2010-09-29 | 华为技术有限公司 | 实现Doherty功放业务跟踪功能的方法及装置 |
US8823343B2 (en) * | 2009-12-22 | 2014-09-02 | Yamaha Corporation | Power amplifying circuit, DC-DC converter, peak holding circuit, and output voltage control circuit including the peak holding circuit |
US8913970B2 (en) | 2010-09-21 | 2014-12-16 | Apple Inc. | Wireless transceiver with amplifier bias adjusted based on modulation scheme |
US8738066B2 (en) | 2010-10-07 | 2014-05-27 | Apple Inc. | Wireless transceiver with amplifier bias adjusted based on modulation scheme and transmit power feedback |
US8519681B2 (en) | 2011-02-11 | 2013-08-27 | Siemens Energy, Inc. | Apparatus and method for generating a metering voltage output for a voltage regulator using a microprocessor |
CN204498072U (zh) * | 2014-11-25 | 2015-07-22 | 西安爱生技术集团公司 | 一种功率放大器输出控制装置 |
CN105974828A (zh) * | 2016-04-10 | 2016-09-28 | 安徽众尚微波科技有限公司 | 一种用于微波功率放大器的控制器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4482867A (en) * | 1981-10-23 | 1984-11-13 | Lmt-Radio Professionnelle | Microwave power transmitter for doppler radar |
EP0755114A1 (fr) * | 1995-07-21 | 1997-01-22 | Laboratoires D'electronique Philips S.A.S. | Dispositif semi-conducteur incluant un amplificateur de puissance et appareil terminal mobile de télécommunication incluant un tel dispositif semi-conducteur |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2512292B1 (fr) * | 1981-08-25 | 1986-11-21 | Lmt Radio Professionelle | Amplificateur hyperfrequence a transistors a effet de champ, notamment pour radar doppler |
JPS5981113U (ja) * | 1982-11-25 | 1984-06-01 | 日本電気株式会社 | 出力電力制御回路 |
US4602218A (en) * | 1985-04-30 | 1986-07-22 | Motorola, Inc. | Automatic output control circuitry for RF power amplifiers with wide dynamic range |
JP2609310B2 (ja) * | 1988-12-22 | 1997-05-14 | 株式会社日立製作所 | 送信回路 |
US5045672A (en) * | 1989-11-17 | 1991-09-03 | Scott Chester B | Chafing dish and method of using same |
US5276912A (en) * | 1990-02-06 | 1994-01-04 | Motorola, Inc. | Radio frequency power amplifier having variable output power |
US5126688A (en) * | 1990-03-20 | 1992-06-30 | Oki Electric Co., Ltd. | Power amplifying apparatus for wireless transmitter |
JP3033623B2 (ja) * | 1990-11-30 | 2000-04-17 | 日本電気株式会社 | ゲートバイアス制御回路および増幅器 |
EP0563125A4 (en) * | 1990-12-17 | 1997-02-26 | Motorola Inc | Dynamically biased amplifier |
US5423078A (en) * | 1993-03-18 | 1995-06-06 | Ericsson Ge Mobile Communications Inc. | Dual mode power amplifier for analog and digital cellular telephones |
JP3368069B2 (ja) * | 1994-10-06 | 2003-01-20 | 株式会社日立国際電気 | Fpu装置のshf電力切換方式 |
US5589796A (en) * | 1994-11-01 | 1996-12-31 | Motorola, Inc | Method and apparatus for increasing amplifier efficiency |
-
1997
- 1997-07-11 US US08/890,819 patent/US6025753A/en not_active Expired - Lifetime
-
1998
- 1998-07-08 FR FR9808756A patent/FR2766030B1/fr not_active Expired - Fee Related
- 1998-07-09 GB GB9814790A patent/GB2327308B/en not_active Expired - Fee Related
- 1998-07-10 CN CN98116003A patent/CN1087521C/zh not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4482867A (en) * | 1981-10-23 | 1984-11-13 | Lmt-Radio Professionnelle | Microwave power transmitter for doppler radar |
EP0755114A1 (fr) * | 1995-07-21 | 1997-01-22 | Laboratoires D'electronique Philips S.A.S. | Dispositif semi-conducteur incluant un amplificateur de puissance et appareil terminal mobile de télécommunication incluant un tel dispositif semi-conducteur |
Also Published As
Publication number | Publication date |
---|---|
FR2766030A1 (fr) | 1999-01-15 |
US6025753A (en) | 2000-02-15 |
GB2327308B (en) | 2001-05-16 |
GB2327308A (en) | 1999-01-20 |
FR2766030B1 (fr) | 2002-05-10 |
CN1208283A (zh) | 1999-02-17 |
GB9814790D0 (en) | 1998-09-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1087521C (zh) | 放大信号的方法和装置 | |
CN1058117C (zh) | 放大信号的方法和装置 | |
CN1029899C (zh) | 高效率双模式功率放大器设备 | |
US7193459B1 (en) | Power amplifier control technique for enhanced efficiency | |
CN1096140C (zh) | 移动通信终端的供电装置和方法 | |
US6701138B2 (en) | Power amplifier control | |
CN1109401C (zh) | 多级功率放大器的偏置电路及其偏置方法 | |
US7439808B2 (en) | High-frequency power amplifier | |
CN1249912C (zh) | 高效调制射频放大器 | |
US6701134B1 (en) | Increased dynamic range for power amplifiers used with polar modulation | |
CN1161879C (zh) | 功率放大器 | |
US6731171B2 (en) | Power amplifier module with stable idling current | |
US20050032499A1 (en) | Radio frequency power detecting circuit and method therefor | |
US5029298A (en) | Transmitter circuit | |
EP0626765A1 (en) | Radio communication apparatus | |
CN1109664A (zh) | 移动通信装置和方法 | |
CN1282139A (zh) | 基于存储器的放大器负载调整系统 | |
US7049887B2 (en) | Envelope elimination and restoration linear amplifier | |
CN1407830A (zh) | 无线通信频率信号放大装置及发送和接收装置 | |
JPS62277806A (ja) | 高周波増幅器 | |
CN101461132A (zh) | 具有负载补偿的高效率线性功率放大器 | |
CN1067194C (zh) | 适合于安装到衬底上的运算放大器输出级及其放大方法 | |
CN1075286C (zh) | 功率放大器电路 | |
CN1685622A (zh) | 优化宽带码分多址移动终端中功率放大器的工作点的方法 | |
WO1999029037A1 (fr) | Circuit d'amplification de puissance haute frequence, et appareil de communication mobile utilisant ledit circuit |
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: MOTOROLA MOBILE CO., LTD. Free format text: FORMER OWNER: MOTOROLA INC. Effective date: 20110111 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110111 Address after: Illinois Instrunment Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois Instrunment Patentee before: Motorola, Inc. |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Illinois State Patentee after: MOTOROLA MOBILITY LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY, Inc. |
|
CP02 | Change in the address of a patent holder |
Address after: Illinois State Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois Instrunment Patentee before: MOTOROLA MOBILITY, Inc. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20160620 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20020710 |