FI940805A0 - Förfarande och anordning för reglering av förströmmen till en förstärkare - Google Patents
Förfarande och anordning för reglering av förströmmen till en förstärkareInfo
- Publication number
- FI940805A0 FI940805A0 FI940805A FI940805A FI940805A0 FI 940805 A0 FI940805 A0 FI 940805A0 FI 940805 A FI940805 A FI 940805A FI 940805 A FI940805 A FI 940805A FI 940805 A0 FI940805 A0 FI 940805A0
- Authority
- FI
- Finland
- Prior art keywords
- control method
- bias control
- amplifier bias
- amplifier
- control
- Prior art date
Links
Classifications
-
- 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
- H03F1/0261—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 polarisation voltage or current, e.g. gliding Class A
- H03F1/0272—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 polarisation voltage or current, e.g. gliding Class A by using a signal derived from the output signal
-
- 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
- H03F1/0261—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 polarisation voltage or current, e.g. gliding Class A
-
- 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
- H03F1/0261—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 polarisation voltage or current, e.g. gliding Class A
- H03F1/0266—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 polarisation voltage or current, e.g. gliding Class A by using a signal derived from the input signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
- H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/192—A hybrid coupler being used at the input of an amplifier circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/204—A hybrid coupler being used at the output of an amplifier circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/908,144 US5311143A (en) | 1992-07-02 | 1992-07-02 | RF amplifier bias control method and apparatus |
PCT/US1993/005623 WO1994001930A1 (en) | 1992-07-02 | 1993-06-14 | Rf amplifier bias control method and apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
FI940805A FI940805A (sv) | 1994-02-21 |
FI940805A0 true FI940805A0 (sv) | 1994-02-21 |
Family
ID=25425272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI940805A FI940805A0 (sv) | 1992-07-02 | 1994-02-21 | Förfarande och anordning för reglering av förströmmen till en förstärkare |
Country Status (11)
Country | Link |
---|---|
US (1) | US5311143A (sv) |
EP (1) | EP0604622A4 (sv) |
JP (1) | JP3300836B2 (sv) |
KR (1) | KR0138224B1 (sv) |
CN (1) | CN1037734C (sv) |
BR (1) | BR9305564A (sv) |
CA (1) | CA2116582C (sv) |
FI (1) | FI940805A0 (sv) |
MY (1) | MY116332A (sv) |
TW (1) | TW225058B (sv) |
WO (1) | WO1994001930A1 (sv) |
Families Citing this family (79)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2263034B (en) * | 1991-12-30 | 1996-05-01 | Harris Corp | Radio frequency amplifiers |
US5640691A (en) * | 1994-12-19 | 1997-06-17 | Lucent Technologies Inc. | Power controller for RF transmitters |
US5670912A (en) * | 1996-01-31 | 1997-09-23 | Motorola, Inc. | Variable supply biasing method and apparatus for an amplifier |
US5673003A (en) * | 1996-03-29 | 1997-09-30 | Motorola, Inc. | Amplifier circuit having a variable bandwidth |
US5724005A (en) * | 1996-04-25 | 1998-03-03 | Lucent Technologies Inc. | Linear power amplifier with automatic gate/base bias control for optimum efficiency |
US5757229A (en) * | 1996-06-28 | 1998-05-26 | Motorola, Inc. | Bias circuit for a power amplifier |
GB2317289B (en) * | 1996-09-12 | 2001-03-14 | Nokia Mobile Phones Ltd | Amplifier system |
US5982236A (en) * | 1997-01-21 | 1999-11-09 | Matsushita Electric Industrial Co., Ltd. | High-frequency power amplifier |
US6148220A (en) | 1997-04-25 | 2000-11-14 | Triquint Semiconductor, Inc. | Battery life extending technique for mobile wireless applications |
US6049704A (en) * | 1997-12-10 | 2000-04-11 | Motorola, Inc. | Apparatus for amplifying an RF signal |
US6282177B1 (en) | 1998-03-04 | 2001-08-28 | 3Com Corporation | Method and apparatus for dynamically controlling the bias current in a receiver in response to the transmitter power |
EP0998033A4 (en) * | 1998-05-14 | 2004-07-07 | Mitsubishi Electric Corp | SEMICONDUCTOR CIRCUIT |
US6107880A (en) * | 1998-08-06 | 2000-08-22 | Motorola, Inc. | Method and apparatus for increasing the linearity of the phase and gain of a power amplifier circuit |
US6373882B1 (en) | 1998-11-06 | 2002-04-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Motion estimator for a CDMA mobile station |
US6043706A (en) * | 1999-02-05 | 2000-03-28 | Ericsson Inc. | Methods and apparatus for controlling power amplifier quiescent current in a wireless communication device |
EP1166439A1 (en) * | 1999-03-12 | 2002-01-02 | Nokia Corporation | Power amplifier unit |
DE19921457B4 (de) | 1999-05-08 | 2006-05-04 | Basf Coatings Ag | Modulsystem zur Herstellung wäßriger Beschichtungsstoffe, Verfahren zu deren Herstellung und Verwendung sowie damit hergestellte Lackierungen |
US6427067B1 (en) * | 1999-06-10 | 2002-07-30 | The Whitaker Corporation | Detector driven bias circuit for power transistors |
US6559722B1 (en) * | 1999-08-10 | 2003-05-06 | Anadigics, Inc. | Low bias current/temperature compensation current mirror for linear power amplifier |
US6816003B2 (en) | 2000-02-04 | 2004-11-09 | The Trustees Of Columbia University In The City Of New York | Circuits with dynamic biasing |
JP4014072B2 (ja) * | 2000-03-31 | 2007-11-28 | 株式会社ルネサステクノロジ | 電力増幅器モジュール |
US6760604B2 (en) * | 2001-01-29 | 2004-07-06 | Motorola, Inc. | Portable radio transceiver having shared power source for audio and RF amplifiers |
EP1358715B1 (de) | 2001-02-09 | 2012-08-15 | Hewlett-Packard Development Company, L.P. | Verfahren zum energiesparenden betrieb eines mobilfunkgerätes und mobilfunkgerät |
US6522202B2 (en) | 2001-06-12 | 2003-02-18 | Telefonaktiebolaget Lm Ericsson (Publ) | Current controlled power amplifier |
US7700834B2 (en) | 2001-11-13 | 2010-04-20 | U.S. Smokless Tobacco Company | Nicotiana nucleic acid molecules and uses thereof |
US7700851B2 (en) | 2001-11-13 | 2010-04-20 | U.S. Smokeless Tobacco Company | Tobacco nicotine demethylase genomic clone and uses thereof |
US10266836B2 (en) | 2001-11-13 | 2019-04-23 | U.S. Smokeless Tobacco Company Llc | Tobacco nicotine demethylase genomic clone and uses thereof |
US8592663B2 (en) | 2001-11-13 | 2013-11-26 | U.S. Smokeless Tobacco Company Llc | Tobacco nicotine demethylase genomic clone and uses thereof |
US7812227B2 (en) | 2001-11-13 | 2010-10-12 | U.S. Smokeless Tobacco Company | Cloning of cytochrome p450 genes from nicotiana |
US7199056B2 (en) * | 2002-02-08 | 2007-04-03 | Applied Materials, Inc. | Low cost and low dishing slurry for polysilicon CMP |
US6624702B1 (en) | 2002-04-05 | 2003-09-23 | Rf Micro Devices, Inc. | Automatic Vcc control for optimum power amplifier efficiency |
US7187231B2 (en) * | 2002-12-02 | 2007-03-06 | M/A-Com, Inc. | Apparatus, methods and articles of manufacture for multiband signal processing |
US7526260B2 (en) * | 2002-11-14 | 2009-04-28 | M/A-Com Eurotec, B.V. | Apparatus, methods and articles of manufacture for linear signal modification |
US7245183B2 (en) * | 2002-11-14 | 2007-07-17 | M/A-Com Eurotec Bv | Apparatus, methods and articles of manufacture for processing an electromagnetic wave |
US7545865B2 (en) * | 2002-12-03 | 2009-06-09 | M/A-Com, Inc. | Apparatus, methods and articles of manufacture for wideband signal processing |
US6924699B2 (en) * | 2003-03-06 | 2005-08-02 | M/A-Com, Inc. | Apparatus, methods and articles of manufacture for digital modification in electromagnetic signal processing |
US6891432B2 (en) * | 2002-11-14 | 2005-05-10 | Mia-Com, Inc. | Apparatus, methods and articles of manufacture for electromagnetic processing |
US7203262B2 (en) | 2003-05-13 | 2007-04-10 | M/A-Com, Inc. | Methods and apparatus for signal modification in a fractional-N phase locked loop system |
US7298854B2 (en) * | 2002-12-04 | 2007-11-20 | M/A-Com, Inc. | Apparatus, methods and articles of manufacture for noise reduction in electromagnetic signal processing |
US20040070454A1 (en) * | 2002-10-15 | 2004-04-15 | Triquint Semiconductor, Inc. | Continuous bias circuit and method for an amplifier |
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 |
US20040072554A1 (en) * | 2002-10-15 | 2004-04-15 | Triquint Semiconductor, Inc. | Automatic-bias amplifier circuit |
US6831517B1 (en) | 2002-12-23 | 2004-12-14 | Intersil Americas, Inc. | Bias-management system and method for programmable RF power amplifier |
US6859098B2 (en) | 2003-01-17 | 2005-02-22 | M/A-Com, Inc. | Apparatus, methods and articles of manufacture for control in an electromagnetic processor |
US7480511B2 (en) * | 2003-09-19 | 2009-01-20 | Trimble Navigation Limited | Method and system for delivering virtual reference station data |
US7091778B2 (en) | 2003-09-19 | 2006-08-15 | M/A-Com, Inc. | Adaptive wideband digital amplifier for linearly modulated signal amplification and transmission |
US8637731B2 (en) | 2003-10-16 | 2014-01-28 | U.S. Smokeless Tobacco Company | Nicotiana nucleic acid molecules and uses thereof |
EP1526651B1 (en) | 2003-10-23 | 2006-05-24 | Sony Ericsson Mobile Communications AB | Additional regulation of the reference signal of the automatic power control in a mobile terminal |
US6903608B2 (en) * | 2003-10-30 | 2005-06-07 | Sige Semiconductor Inc. | Power level controlling of first amplification stage for an integrated RF power amplifier |
US7343138B2 (en) * | 2003-12-08 | 2008-03-11 | M/A-Com, Inc. | Compensating for load pull in electromagentic signal propagation using adaptive impedance matching |
US7177370B2 (en) * | 2003-12-17 | 2007-02-13 | Triquint Semiconductor, Inc. | Method and architecture for dual-mode linear and saturated power amplifier operation |
US8586837B2 (en) | 2004-04-29 | 2013-11-19 | U.S. Smokeless Tobacco Company Llc | Nicotiana nucleic acid molecules and uses thereof |
EP2295549B1 (en) | 2004-04-29 | 2015-02-25 | U.S. Smokeless Tobacco Company LLC | Nicotiana nucleic acid molecules and uses thereof |
JP4690835B2 (ja) * | 2004-12-21 | 2011-06-01 | ルネサスエレクトロニクス株式会社 | 送信機及びそれを用いた移動体通信端末 |
EP1851317B1 (en) | 2005-02-23 | 2011-10-26 | North Carolina State University | Alteration of tobacco alkaloid content through modification of specific cytochrome p450 genes |
US7276973B2 (en) * | 2005-06-29 | 2007-10-02 | Skyworks Solutions, Inc. | Automatic bias control circuit for linear power amplifiers |
DE102006014778A1 (de) * | 2006-03-30 | 2007-10-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur betriebsparameterabhängigen Verstärkungseinstellung in Funkeinrichtungen |
US8319011B2 (en) | 2006-12-15 | 2012-11-27 | U.S. Smokeless Tobacco Company Llc | Tobacco plants having reduced nicotine demethylase activity |
BRPI0820042B1 (pt) | 2007-11-12 | 2020-05-19 | North Carolina State University | método de obtenção de uma planta de tabaco, ou célula ou parte desta, tendo níveis reduzidos de nornicotina, produto de tabaco, método para fabricar um produto de tabaco, polinucleotídeo isolado, cassete de expressão, polipetpídeo isolado e método de obtenção de uma planta, ou parte de planta desta, do gênero nicotiana |
CN101442292B (zh) * | 2007-11-19 | 2011-04-13 | 华为技术有限公司 | 射频放大器数字偏置电路、方法及通信设备 |
CN100554899C (zh) * | 2007-12-07 | 2009-10-28 | 中国科学院安徽光学精密机械研究所 | 锑化铟光电传感器阵列静态工作点自动校准装置 |
US20090146784A1 (en) * | 2007-12-10 | 2009-06-11 | Mohammad Soleimani | Method and System for Variable Power Amplifier Bias in RFID Transceivers |
CN101651477B (zh) * | 2009-09-04 | 2013-01-02 | 惠州市正源微电子有限公司 | 射频功率放大器效率的增强方法及其效率增强电路 |
US8319559B2 (en) * | 2009-10-05 | 2012-11-27 | Hittite Microwave Corporation | Active bias control circuit for an amplifier and method of power up sequencing the same |
PH12017500180A1 (en) | 2010-01-15 | 2017-11-20 | Univ North Carolina State | Compositions and methods for minimizing nornicotine synthesis in tabacco |
US8688061B2 (en) * | 2010-08-09 | 2014-04-01 | Skyworks Solutions, Inc. | System and method for biasing a power amplifier |
CA2828488A1 (en) | 2011-02-28 | 2012-09-07 | North Carolina State University | Tobacco inbred plants ncbex1f, ncbex1ms, and nc ex90 |
BR112013021962A2 (pt) | 2011-02-28 | 2018-06-26 | Altria Client Services Inc | plantas albex1f e albex1ms inatas de tabaco |
DE102012203026A1 (de) | 2012-02-28 | 2013-08-29 | Sennheiser Electronic Gmbh & Co. Kg | Hochfrequenzsender |
CN102969995B (zh) * | 2012-11-23 | 2015-05-06 | 锐迪科创微电子(北京)有限公司 | 应用于线性模式功率放大器的动态偏置控制电路 |
CN105517430A (zh) | 2013-01-11 | 2016-04-20 | 北卡罗莱纳州立大学 | 烟草近交植物k326 src、cms k326 src、k346 src、cms k346 src、nc1562-1 src、nctg-61 src、cms nctg-61 src和杂交种nc196 src |
WO2014137802A1 (en) | 2013-03-05 | 2014-09-12 | North Carolina State University | Tobacco inbred and hybrid plants and uses thereof |
US9596822B2 (en) | 2014-03-03 | 2017-03-21 | North Carolina State University | Tobacco inbred and hybrid plants and tobacco products made thereof |
CN106659232A (zh) | 2014-03-03 | 2017-05-10 | 北卡罗莱纳州立大学 | 烟草近交和杂种植物以及由其制得的烟草产品 |
US9596823B2 (en) | 2014-03-03 | 2017-03-21 | North Carolina State University | Tobacco inbred and hybrid plants and tobacco products made thereof |
DE102015208490A1 (de) | 2015-05-07 | 2016-11-10 | Sennheiser Electronic Gmbh & Co. Kg | Hochfrequenz-Sender |
US10014826B2 (en) | 2015-12-10 | 2018-07-03 | Analog Devices, Inc. | Apparatus and methods for power enhancement of self-biased distributed amplifiers with gate bias networks |
US10516371B2 (en) * | 2016-07-21 | 2019-12-24 | Cool Dry, Inc. | Power converting system |
US9793859B1 (en) | 2016-09-27 | 2017-10-17 | Raytheon Company | Amplifier output power limiting circuitry |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4158180A (en) * | 1978-04-13 | 1979-06-12 | General Electric Company | Temperature control circuit |
US4462004A (en) * | 1982-03-18 | 1984-07-24 | At&T Bell Laboratories | Dynamic class-4 FET amplifier |
FR2560468A1 (fr) * | 1984-02-28 | 1985-08-30 | Lgt Lab Gen Telecomm | Dispositif de polarisation d'etage d'amplification a transistors et son utilisation dans un tel etage |
US4547746A (en) * | 1984-04-09 | 1985-10-15 | Rockwell International Corporation | VSWR Tolerant linear power amplifier |
US4760347A (en) * | 1987-01-20 | 1988-07-26 | Novatel Communications Ltd. | Controlled-output amplifier and power detector therefor |
JPH0618294B2 (ja) * | 1987-02-27 | 1994-03-09 | 株式会社東芝 | 音声出力増幅器 |
US4831334A (en) * | 1987-06-08 | 1989-05-16 | Hughes Aircraft Company | Envelope amplifier |
JPH01314431A (ja) * | 1988-06-15 | 1989-12-19 | Mitsubishi Electric Corp | 送信電力制御回路 |
NL8901725A (nl) * | 1989-07-06 | 1991-02-01 | Philips Nv | Versterkerschakeling. |
US5043672A (en) * | 1990-03-26 | 1991-08-27 | Novatel Communications Ltd. | Power detector utilizing bias voltage divider for precision control of an amplifier |
CN2075402U (zh) * | 1990-03-28 | 1991-04-17 | 任现合 | 电视天线信号小型放大器 |
JPH0821819B2 (ja) * | 1990-08-30 | 1996-03-04 | 三洋電機株式会社 | 増幅回路 |
CN2082921U (zh) * | 1990-12-19 | 1991-08-14 | 陈广彦 | 全频道天线放大器 |
US5204637A (en) * | 1992-04-17 | 1993-04-20 | Hughes Aircraft Company | Power detection technique for automatic amplifier power control |
-
1992
- 1992-07-02 US US07/908,144 patent/US5311143A/en not_active Expired - Lifetime
-
1993
- 1993-06-12 TW TW082104684A patent/TW225058B/zh active
- 1993-06-14 CA CA002116582A patent/CA2116582C/en not_active Expired - Fee Related
- 1993-06-14 WO PCT/US1993/005623 patent/WO1994001930A1/en not_active Application Discontinuation
- 1993-06-14 BR BR9305564A patent/BR9305564A/pt not_active Application Discontinuation
- 1993-06-14 JP JP50331194A patent/JP3300836B2/ja not_active Expired - Lifetime
- 1993-06-14 EP EP93915315A patent/EP0604622A4/en not_active Withdrawn
- 1993-06-23 MY MYPI93001225A patent/MY116332A/en unknown
- 1993-06-28 CN CN93108063A patent/CN1037734C/zh not_active Expired - Fee Related
-
1994
- 1994-02-21 FI FI940805A patent/FI940805A0/sv unknown
- 1994-03-02 KR KR1019940700706A patent/KR0138224B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5311143A (en) | 1994-05-10 |
FI940805A (sv) | 1994-02-21 |
JP3300836B2 (ja) | 2002-07-08 |
EP0604622A1 (en) | 1994-07-06 |
CA2116582A1 (en) | 1994-01-20 |
KR0138224B1 (ko) | 1998-06-15 |
JPH06510655A (ja) | 1994-11-24 |
CA2116582C (en) | 1997-08-26 |
CN1037734C (zh) | 1998-03-11 |
TW225058B (sv) | 1994-06-11 |
BR9305564A (pt) | 1995-12-26 |
EP0604622A4 (en) | 1995-12-06 |
MY116332A (en) | 2004-01-31 |
WO1994001930A1 (en) | 1994-01-20 |
CN1081794A (zh) | 1994-02-09 |
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