AU2001269373A1 - System and method for auto-bias of an amplifier - Google Patents
System and method for auto-bias of an amplifierInfo
- Publication number
- AU2001269373A1 AU2001269373A1 AU2001269373A AU6937301A AU2001269373A1 AU 2001269373 A1 AU2001269373 A1 AU 2001269373A1 AU 2001269373 A AU2001269373 A AU 2001269373A AU 6937301 A AU6937301 A AU 6937301A AU 2001269373 A1 AU2001269373 A1 AU 2001269373A1
- Authority
- AU
- Australia
- Prior art keywords
- auto
- bias
- amplifier
- 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.)
- Abandoned
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
-
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/306—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in junction-FET amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/481—A resistor being used as sensor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/483—A shunting switch being paralleled to the sensor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/504—Indexing scheme relating to amplifiers the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09628843 | 2000-07-31 | ||
US09/628,843 US6351189B1 (en) | 2000-07-31 | 2000-07-31 | System and method for auto-bias of an amplifier |
PCT/IB2001/001265 WO2002011279A2 (en) | 2000-07-31 | 2001-07-16 | System and method for auto-bias of an amplifier |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001269373A1 true AU2001269373A1 (en) | 2002-02-13 |
Family
ID=24520528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001269373A Abandoned AU2001269373A1 (en) | 2000-07-31 | 2001-07-16 | System and method for auto-bias of an amplifier |
Country Status (3)
Country | Link |
---|---|
US (1) | US6351189B1 (en) |
AU (1) | AU2001269373A1 (en) |
WO (1) | WO2002011279A2 (en) |
Families Citing this family (53)
Publication number | Priority date | Publication date | Assignee | Title |
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US7027789B2 (en) * | 2000-09-11 | 2006-04-11 | Xytrans, Inc. | Self-tuned millimeter wave RF transceiver module |
US7058360B1 (en) * | 2001-02-08 | 2006-06-06 | National Semiconductor Corporation | Method and system for stabilizing the performance variation of a radio frequency device |
US7333778B2 (en) * | 2001-03-21 | 2008-02-19 | Ericsson Inc. | System and method for current-mode amplitude modulation |
US7046973B2 (en) * | 2001-06-01 | 2006-05-16 | Nokia Corporation | Method and circuitry for high power amplifiers with voltage conversion to avoid performance degradation, system shutdown and permanent damage in case of worst case data pattern |
SE0101961D0 (en) * | 2001-06-01 | 2001-06-01 | Ericsson Telefon Ab L M | Bias current control in transistors |
US6573796B2 (en) * | 2001-09-24 | 2003-06-03 | Infineon Technologies Ag | Automatic LDMOS biasing with long term hot carrier compensation |
US6566944B1 (en) | 2002-02-21 | 2003-05-20 | Ericsson Inc. | Current modulator with dynamic amplifier impedance compensation |
EP1341300A1 (en) * | 2002-02-27 | 2003-09-03 | Lucent Technologies Inc. | Power amplifier with an adjustable quiescent current |
ATE467263T1 (en) | 2002-03-15 | 2010-05-15 | Ericsson Telefon Ab L M | R.F. OUTPUT POWER CONTROL |
US8811917B2 (en) | 2002-05-01 | 2014-08-19 | Dali Systems Co. Ltd. | Digital hybrid mode power amplifier system |
US8380143B2 (en) | 2002-05-01 | 2013-02-19 | Dali Systems Co. Ltd | Power amplifier time-delay invariant predistortion methods and apparatus |
GB2389275B (en) * | 2002-05-31 | 2006-10-25 | Hitachi Ltd | Apparatus for mobile communication system |
IL150006A0 (en) * | 2002-06-03 | 2002-12-01 | Paragon Comm Ltd | Apparatus for detecting the envelope of rf power signals |
US6891438B2 (en) * | 2002-12-12 | 2005-05-10 | Northrop Grumman Corporation | Adaptive active bias compensation technique for power amplifiers |
ATE378729T1 (en) * | 2003-03-03 | 2007-11-15 | Alcatel Lucent | METHOD FOR ADJUSTING THE WORKING POINT OF A TRANSISTOR IN A POWER AMPLIFIER |
GB2400249B (en) * | 2003-03-31 | 2005-08-10 | Motorola Inc | Power amplifier and a RF transmitter and terminal including the amplifier |
JP4287193B2 (en) * | 2003-05-15 | 2009-07-01 | 株式会社ルネサステクノロジ | Electronic component for high frequency power amplification and wireless communication system |
US7433658B1 (en) * | 2003-09-30 | 2008-10-07 | Marvell International Ltd. | System and method for controlling true output power of a transmitter |
EP1564898A1 (en) * | 2004-02-13 | 2005-08-17 | Thomson Licensing S.A. | Radio transmitter with reduced power consumption |
US20050208907A1 (en) * | 2004-03-18 | 2005-09-22 | Ryo Yamazaki | Detecting and maintaining linearity in a power amplifier system through envelope power comparisons |
US20050227646A1 (en) * | 2004-03-18 | 2005-10-13 | Ryo Yamazaki | Detecting and maintaining linearity in a power amplifier system through comparing peak and RMS power levels |
US20060214842A1 (en) * | 2004-06-29 | 2006-09-28 | Kyocera Corporation | Mixer, High-Frequency transmitting/receiving apparatus having the same, radarapparatus having the high-frequency transmitting/receiving apparatus, and vehicle equipped with radar apparatus |
US7355470B2 (en) | 2006-04-24 | 2008-04-08 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning |
US7327803B2 (en) | 2004-10-22 | 2008-02-05 | Parkervision, Inc. | Systems and methods for vector power amplification |
US7693491B2 (en) * | 2004-11-30 | 2010-04-06 | Broadcom Corporation | Method and system for transmitter output power compensation |
DE102005007159A1 (en) * | 2005-02-16 | 2006-08-24 | Eads Deutschland Gmbh | RF amplifier |
US8013675B2 (en) | 2007-06-19 | 2011-09-06 | Parkervision, Inc. | Combiner-less multiple input single output (MISO) amplification with blended control |
US8334722B2 (en) | 2007-06-28 | 2012-12-18 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation and amplification |
US7911272B2 (en) | 2007-06-19 | 2011-03-22 | Parkervision, Inc. | Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments |
US8031804B2 (en) * | 2006-04-24 | 2011-10-04 | Parkervision, Inc. | Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion |
WO2008078195A2 (en) | 2006-12-26 | 2008-07-03 | Dali Systems Co., Ltd. | Method and system for baseband predistortion linearization in multi-channel wideband communication systems |
WO2008144017A1 (en) | 2007-05-18 | 2008-11-27 | Parkervision, Inc. | Systems and methods of rf power transmission, modulation, and amplification |
US8331882B1 (en) | 2007-06-22 | 2012-12-11 | Panasonic Corporation | VSWR normalizing envelope modulator |
US7554395B1 (en) * | 2007-06-28 | 2009-06-30 | Panasonic Corporation | Automatic low battery compensation scaling across multiple power amplifier stages |
US7702300B1 (en) | 2007-07-12 | 2010-04-20 | Panasonic Corporation | Envelope modulator saturation detection using a DC-DC converter |
US8243956B2 (en) * | 2007-08-13 | 2012-08-14 | Gentex Corporation | Auto bias microphone system for use with multiple loads and method of forming same |
DE602007005814D1 (en) * | 2007-11-12 | 2010-05-20 | Lucent Technologies Inc | Radio frequency transmitter |
WO2009145887A1 (en) * | 2008-05-27 | 2009-12-03 | Parkervision, Inc. | Systems and methods of rf power transmission, modulation, and amplification |
CN103597807B (en) | 2010-09-14 | 2015-09-30 | 大理系统有限公司 | Long-range reconfigurable distributing antenna system and method |
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 |
WO2012139126A1 (en) | 2011-04-08 | 2012-10-11 | Parkervision, Inc. | Systems and methods of rf power transmission, modulation, and amplification |
WO2012167111A2 (en) | 2011-06-02 | 2012-12-06 | Parkervision, Inc. | Antenna control |
US8786373B2 (en) * | 2012-02-21 | 2014-07-22 | Calogero D. Presti | Adjustable bypass circuit for a supply voltage for an amplifier |
US10750294B2 (en) * | 2012-07-19 | 2020-08-18 | Cochlear Limited | Predictive power adjustment in an auditory prosthesis |
US9059666B2 (en) | 2013-01-08 | 2015-06-16 | Aviat U.S., Inc. | Systems and methods for biasing amplifiers during high-power operation with adaptive closed-loop control |
US9160284B2 (en) | 2013-01-08 | 2015-10-13 | Aviat U.S., Inc. | Systems and methods for biasing amplifiers using adaptive closed-loop control and adaptive predistortion |
WO2014110187A1 (en) * | 2013-01-08 | 2014-07-17 | Aviat Networks, Inc. | Systems and methods for biasing amplifiers with adaptive closed loop control |
CN106415435B (en) | 2013-09-17 | 2020-08-11 | 帕克维辛股份有限公司 | Method, apparatus and system for presenting information bearing time function |
CN104682880B (en) * | 2013-11-26 | 2018-01-26 | 展讯通信(上海)有限公司 | Suppress the circuit and audio output circuit of audio output noise |
AU2016307964B2 (en) * | 2015-08-14 | 2020-07-16 | Viasat, Inc. | Digital dynamic bias circuit |
US10116264B1 (en) | 2017-05-31 | 2018-10-30 | Corning Optical Communications Wireless Ltd | Calibrating a power amplifier such as in a remote unit in a wireless distribution system (WDS) |
CN108829931B (en) * | 2018-05-18 | 2022-07-05 | 龙迅半导体(合肥)股份有限公司 | BMC transceiver |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3984783A (en) | 1975-03-27 | 1976-10-05 | Motorola, Inc. | Amplifier |
US4458213A (en) | 1982-12-13 | 1984-07-03 | Sony Corporation | Constant quiescent current, class AB amplifier output stage |
US5422522A (en) | 1992-08-20 | 1995-06-06 | Sgs-Thomson Microelectronics, Inc. | Device for biasing an RF device operating in quasi-linear modes with temperature compensation |
JP3365428B2 (en) | 1992-12-09 | 2003-01-14 | ソニー株式会社 | Bias control circuit of high frequency power amplifier |
FR2716313B1 (en) * | 1994-02-11 | 1996-04-12 | Alcatel Mobile Comm France | Amplifier polarization control device. |
US5589796A (en) * | 1994-11-01 | 1996-12-31 | Motorola, Inc | Method and apparatus for increasing amplifier efficiency |
US5920808A (en) * | 1996-12-12 | 1999-07-06 | Glenayre Electronics, Inc. | Method and apparatus for reducing key-up distortion by pre-heating transistors |
US6148220A (en) * | 1997-04-25 | 2000-11-14 | Triquint Semiconductor, Inc. | Battery life extending technique for mobile wireless applications |
FI105611B (en) | 1998-03-13 | 2000-09-15 | Nokia Mobile Phones Ltd | Radiotajuusvahvistimet |
US6091302A (en) * | 1998-03-23 | 2000-07-18 | Ameramp, Llc | Electronic circuit biasing control system |
US6043707A (en) * | 1999-01-07 | 2000-03-28 | Motorola, Inc. | Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier |
US6111466A (en) | 1999-03-22 | 2000-08-29 | Motorola, Inc. | Amplifier with feedback to provide bias adjustment |
US6194968B1 (en) * | 1999-05-10 | 2001-02-27 | Tyco Electronics Logistics Ag | Temperature and process compensating circuit and controller for an RF power amplifier |
-
2000
- 2000-07-31 US US09/628,843 patent/US6351189B1/en not_active Expired - Fee Related
-
2001
- 2001-07-16 AU AU2001269373A patent/AU2001269373A1/en not_active Abandoned
- 2001-07-16 WO PCT/IB2001/001265 patent/WO2002011279A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US6351189B1 (en) | 2002-02-26 |
WO2002011279A3 (en) | 2002-06-27 |
WO2002011279A2 (en) | 2002-02-07 |
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