ATE225991T1 - Sender mit verfahren zur kompensierung einer variablen last ohne gebrauch eines isolators - Google Patents
Sender mit verfahren zur kompensierung einer variablen last ohne gebrauch eines isolatorsInfo
- Publication number
- ATE225991T1 ATE225991T1 AT94921234T AT94921234T ATE225991T1 AT E225991 T1 ATE225991 T1 AT E225991T1 AT 94921234 T AT94921234 T AT 94921234T AT 94921234 T AT94921234 T AT 94921234T AT E225991 T1 ATE225991 T1 AT E225991T1
- Authority
- AT
- Austria
- Prior art keywords
- isolator
- transmitter
- gain
- compensating
- variable load
- 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3294—Acting on the real and imaginary components of the input 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
-
- 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
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
-
- 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
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/345—Negative-feedback-circuit arrangements with or without positive feedback using hybrid or directional couplers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/57—Separate feedback of real and complex signals being present
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/0416—Circuits with power amplifiers having gain or transmission power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/0433—Circuits with power amplifiers with linearisation using feedback
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/080,635 US5423082A (en) | 1993-06-24 | 1993-06-24 | Method for a transmitter to compensate for varying loading without an isolator |
PCT/US1994/006268 WO1995001009A1 (en) | 1993-06-24 | 1994-06-03 | A method for a transmitter to compensate for varying loading without an isolator |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE225991T1 true ATE225991T1 (de) | 2002-10-15 |
Family
ID=22158623
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT94921234T ATE225991T1 (de) | 1993-06-24 | 1994-06-03 | Sender mit verfahren zur kompensierung einer variablen last ohne gebrauch eines isolators |
AT02008491T ATE293852T1 (de) | 1993-06-24 | 1994-06-03 | Sender und verfahren für einen sender zur kompensation von veränderlicher last ohne isolator |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02008491T ATE293852T1 (de) | 1993-06-24 | 1994-06-03 | Sender und verfahren für einen sender zur kompensation von veränderlicher last ohne isolator |
Country Status (7)
Country | Link |
---|---|
US (2) | US5423082A (de) |
EP (2) | EP1239597B1 (de) |
CN (1) | CN1046385C (de) |
AT (2) | ATE225991T1 (de) |
CA (1) | CA2161901C (de) |
DE (2) | DE69434350T2 (de) |
WO (1) | WO1995001009A1 (de) |
Families Citing this family (72)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2286302B (en) * | 1994-01-29 | 1998-12-16 | Motorola Inc | Power amplifier and radio transmitter |
US5574992A (en) * | 1994-04-29 | 1996-11-12 | Motorola, Inc. | Method and apparatus for reducing off-channel interference produced by a linear transmitter |
US5564087A (en) * | 1994-11-03 | 1996-10-08 | Motorola, Inc. | Method and apparatus for a linear transmitter |
GB2301247A (en) * | 1995-05-22 | 1996-11-27 | Univ Bristol | A cartesian loop transmitter amplifier |
US5974041A (en) * | 1995-12-27 | 1999-10-26 | Qualcomm Incorporated | Efficient parallel-stage power amplifier |
US5694431A (en) * | 1996-01-17 | 1997-12-02 | Motorola, Inc. | Method and apparatus for average power control |
JP3309271B2 (ja) * | 1996-07-09 | 2002-07-29 | 京セラ株式会社 | 携帯端末 |
US5901346A (en) * | 1996-12-11 | 1999-05-04 | Motorola, Inc. | Method and apparatus utilizing a compensated multiple output signal source |
US6018650A (en) * | 1996-12-18 | 2000-01-25 | Aironet Wireless Communications, Inc. | Cellular communication devices with automated power level adjust |
US6414562B1 (en) | 1997-05-27 | 2002-07-02 | Motorola, Inc. | Circuit and method for impedance matching |
US6215986B1 (en) * | 1997-09-26 | 2001-04-10 | Nortel Networks Corporation | Reducing radio transmitter distortion |
US6618096B1 (en) | 1997-09-29 | 2003-09-09 | Scientific-Atlanta, Inc. | System and method for adaptively balancing quadrature modulators for vestigial-sideband generation |
US6069526A (en) * | 1998-08-04 | 2000-05-30 | Qualcomm Incorporated | Partial or complete amplifier bypass |
US6091940A (en) | 1998-10-21 | 2000-07-18 | Parkervision, Inc. | Method and system for frequency up-conversion |
US7515896B1 (en) | 1998-10-21 | 2009-04-07 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
US6061551A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for down-converting electromagnetic signals |
US6694128B1 (en) | 1998-08-18 | 2004-02-17 | Parkervision, Inc. | Frequency synthesizer using universal frequency translation technology |
US6052568A (en) * | 1998-08-24 | 2000-04-18 | Celeritek | Apparatus and method for efficiently implementing a satellite transceiver system |
US6542722B1 (en) | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
US6049706A (en) | 1998-10-21 | 2000-04-11 | Parkervision, Inc. | Integrated frequency translation and selectivity |
US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
US6061555A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for ensuring reception of a communications signal |
US7039372B1 (en) | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
US6560301B1 (en) | 1998-10-21 | 2003-05-06 | Parkervision, Inc. | Integrated frequency translation and selectivity with a variety of filter embodiments |
US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
US6813485B2 (en) | 1998-10-21 | 2004-11-02 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US6704558B1 (en) | 1999-01-22 | 2004-03-09 | Parkervision, Inc. | Image-reject down-converter and embodiments thereof, such as the family radio service |
US6704549B1 (en) | 1999-03-03 | 2004-03-09 | Parkvision, Inc. | Multi-mode, multi-band communication system |
US6853690B1 (en) | 1999-04-16 | 2005-02-08 | Parkervision, Inc. | Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments |
US6879817B1 (en) | 1999-04-16 | 2005-04-12 | Parkervision, Inc. | DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US7065162B1 (en) | 1999-04-16 | 2006-06-20 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
US7110444B1 (en) | 1999-08-04 | 2006-09-19 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
US6252456B1 (en) | 1999-07-29 | 2001-06-26 | Motorola, Inc. | Power amplifier load controller and method for controlling a power amplifier load |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
US6529716B1 (en) * | 2000-01-11 | 2003-03-04 | Skyworks Solutions, Inc. | RF transmitter with extended efficient power control range |
GB2359680B (en) * | 2000-02-25 | 2002-05-15 | Motorola Israel Ltd | Apparatus for linear transmitter with improved loop gain stabilization |
US7010286B2 (en) | 2000-04-14 | 2006-03-07 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
US6362690B1 (en) | 2000-04-19 | 2002-03-26 | Ophir Rf, Inc. | System and method for closed loop VSWR correction and tuning in RF power amplifiers |
US7454453B2 (en) | 2000-11-14 | 2008-11-18 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
US7065154B2 (en) * | 2000-12-29 | 2006-06-20 | Nokia Corporation | Baseband predistortion method for multicarrier transmitters |
US6745015B2 (en) * | 2001-02-08 | 2004-06-01 | Motorola, Inc. | Method for automatic carrier suppression tuning of a wireless communication device |
JP3880329B2 (ja) * | 2001-04-20 | 2007-02-14 | 株式会社日立国際電気 | ループゲイン制御方法及び電力増幅回路 |
EP1267484B1 (de) * | 2001-06-14 | 2008-06-04 | Alcatel Lucent | Verfahren und Vorrichtung zur Vorverzerrung eines Sendesignals |
US6850119B2 (en) | 2001-08-31 | 2005-02-01 | Rf Micro Devices, Inc. | Power amplifier overload protection |
US7072427B2 (en) | 2001-11-09 | 2006-07-04 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
US20030114182A1 (en) * | 2001-12-19 | 2003-06-19 | Chan Paul L. | Adaptive power amplifier |
WO2003075485A1 (en) * | 2002-03-07 | 2003-09-12 | Nokia Corporation | Power control device and method for calibrating the power of a transmitter or receiver in a mobile communication network |
US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
US7460584B2 (en) | 2002-07-18 | 2008-12-02 | Parkervision, Inc. | Networking methods and systems |
US7010278B2 (en) * | 2002-10-25 | 2006-03-07 | Freescale Semiconductor, Inc. | Sideband suppression method and apparatus for quadrature modulator using magnitude measurements |
AU2003285621A1 (en) * | 2002-12-12 | 2004-06-30 | Koninklijke Philips Electronics N.V. | Preserving linearity of an isolator-free power amplifier by dynamically adjusting gain and phase |
US7408404B2 (en) * | 2002-12-12 | 2008-08-05 | Nxp B.V. | Preserving linearity of an isolator-free power amplifier by dynamically switching active devices |
US7127220B2 (en) * | 2002-12-23 | 2006-10-24 | Spectrasite Communications Inc | Apparatus and method to monitor and control power |
GB2403613B (en) | 2003-07-04 | 2005-07-06 | Motorola Inc | Cartesian loop transmitter and method of adjusting an output level of such transmitter |
DE102004026168A1 (de) * | 2004-05-28 | 2005-12-22 | Siemens Ag | Verfahren zur Einstellung einer gewünschten Abstrahlleistung für die Antenne eines Funkkommunikationsgeräts sowie Funkkommunikationsgerät |
US20060148430A1 (en) * | 2004-12-30 | 2006-07-06 | Motorola, Inc. | Power management of a transmitter and supporting methods and apparatus |
US7346317B2 (en) * | 2005-04-04 | 2008-03-18 | Freescale Semiconductor, Inc. | Dynamic gain and phase compensation for power amplifier load switching |
US20080003962A1 (en) * | 2006-06-30 | 2008-01-03 | Wai Lim Ngai | Method and apparatus for providing adaptive supply voltage control of a power amplifier |
US8606200B2 (en) * | 2007-06-26 | 2013-12-10 | Intel Corporation | Error vector magnitude control within a linear transmitter |
DE102007061453B4 (de) * | 2007-12-20 | 2015-07-23 | Intel Mobile Communications GmbH | Verfahren zum Kalibrieren eines Senders und Funksender |
US8351874B2 (en) * | 2008-04-08 | 2013-01-08 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for adaptive antenna impedance matching |
US8536950B2 (en) * | 2009-08-03 | 2013-09-17 | Qualcomm Incorporated | Multi-stage impedance matching |
US8102205B2 (en) | 2009-08-04 | 2012-01-24 | Qualcomm, Incorporated | Amplifier module with multiple operating modes |
JP5499794B2 (ja) * | 2010-03-15 | 2014-05-21 | 富士通株式会社 | 電力増幅装置 |
JP5643785B2 (ja) * | 2012-06-15 | 2014-12-17 | 株式会社東芝 | デジタル放送送信装置およびエキサイタ |
TWI508463B (zh) * | 2013-04-16 | 2015-11-11 | Realtek Semiconductor Corp | 無線傳輸系統以及決定無線傳輸系統之預設增益的方法 |
CN104113382B (zh) * | 2013-04-22 | 2016-08-03 | 瑞昱半导体股份有限公司 | 无线传输系统以及确定无线传输系统的预设增益的方法 |
MX2018001399A (es) | 2015-08-06 | 2018-04-13 | Huntsman Int Llc | Xerogeles organicos a base de isocianato con densidad reducida. |
CN106253182B (zh) * | 2015-12-09 | 2019-02-19 | 深圳金达伸机房设备工程有限公司 | 一种母线系统插接箱 |
US9900735B2 (en) * | 2015-12-18 | 2018-02-20 | Federal Signal Corporation | Communication systems |
US10367535B2 (en) * | 2017-12-15 | 2019-07-30 | Motorola Solutions, Inc. | Cartesian loop circuits, transmitters, devices, and related methods |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3641451A (en) * | 1970-02-24 | 1972-02-08 | Motorola Inc | Amplifier protection circuit |
DE2710752A1 (de) * | 1977-03-11 | 1978-09-14 | Rohde & Schwarz | Schaltung zum regeln der ausgangsleistung eines hochfrequenz-nachrichtensenders |
GB2233515B (en) * | 1989-06-20 | 1993-12-15 | Technophone Ltd | Levelling control circuit |
US4933986A (en) * | 1989-08-25 | 1990-06-12 | Motorola, Inc. | Gain/phase compensation for linear amplifier feedback loop |
US5066922A (en) * | 1989-10-16 | 1991-11-19 | Motorola, Inc. | Stabilizing circuit for feedback RF amplifier |
US5021753A (en) * | 1990-08-03 | 1991-06-04 | Motorola, Inc. | Splatter controlled amplifier |
US5041793A (en) * | 1990-10-31 | 1991-08-20 | Motorola, Inc. | Controlled slew rate amplifier |
US5134718A (en) * | 1990-10-31 | 1992-07-28 | Motorola, Inc. | Fast phase shift adjusting method and device for linear transmitter |
US5066923A (en) * | 1990-10-31 | 1991-11-19 | Motorola, Inc. | Linear transmitter training method and apparatus |
JPH0480140U (de) * | 1990-11-26 | 1992-07-13 | ||
US5175879A (en) * | 1991-04-25 | 1992-12-29 | Motorola, Inc. | Linear amplifier with feedback path and phase error compensation |
US5287555A (en) * | 1991-07-22 | 1994-02-15 | Motorola, Inc. | Power control circuitry for a TDMA radio frequency transmitter |
US5303394A (en) * | 1991-08-09 | 1994-04-12 | Rockwell International | Feedback stabilized Q multiplier filter circuit |
US5196808A (en) * | 1991-12-02 | 1993-03-23 | Motorola, Inc. | RF amplifier protector and method |
US5371481A (en) * | 1993-03-24 | 1994-12-06 | Nokia Mobile Phones Ltd. | Tuning techniques for I/Q channel signals in microwave digital transmission systems |
-
1993
- 1993-06-24 US US08/080,635 patent/US5423082A/en not_active Expired - Lifetime
-
1994
- 1994-06-03 DE DE69434350T patent/DE69434350T2/de not_active Expired - Lifetime
- 1994-06-03 WO PCT/US1994/006268 patent/WO1995001009A1/en active IP Right Grant
- 1994-06-03 EP EP02008491A patent/EP1239597B1/de not_active Expired - Lifetime
- 1994-06-03 EP EP94921234A patent/EP0710411B1/de not_active Expired - Lifetime
- 1994-06-03 AT AT94921234T patent/ATE225991T1/de not_active IP Right Cessation
- 1994-06-03 DE DE69431522T patent/DE69431522T2/de not_active Expired - Lifetime
- 1994-06-03 CN CN94192522A patent/CN1046385C/zh not_active Expired - Lifetime
- 1994-06-03 CA CA002161901A patent/CA2161901C/en not_active Expired - Lifetime
- 1994-06-03 AT AT02008491T patent/ATE293852T1/de not_active IP Right Cessation
-
1995
- 1995-01-27 US US08/379,417 patent/US5542096A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1125497A (zh) | 1996-06-26 |
DE69431522T2 (de) | 2003-02-20 |
US5423082A (en) | 1995-06-06 |
DE69434350T2 (de) | 2005-09-22 |
CA2161901A1 (en) | 1995-01-05 |
WO1995001009A1 (en) | 1995-01-05 |
DE69434350D1 (de) | 2005-05-25 |
EP0710411A4 (de) | 2000-04-12 |
CN1046385C (zh) | 1999-11-10 |
CA2161901C (en) | 2001-02-20 |
ATE293852T1 (de) | 2005-05-15 |
EP0710411A1 (de) | 1996-05-08 |
EP1239597B1 (de) | 2005-04-20 |
EP0710411B1 (de) | 2002-10-09 |
DE69431522D1 (de) | 2002-11-14 |
EP1239597A1 (de) | 2002-09-11 |
US5542096A (en) | 1996-07-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |