FI115935B - Förfarande och anordning för att reglera förstärkaregenskaper - Google Patents
Förfarande och anordning för att reglera förstärkaregenskaper Download PDFInfo
- Publication number
- FI115935B FI115935B FI20030272A FI20030272A FI115935B FI 115935 B FI115935 B FI 115935B FI 20030272 A FI20030272 A FI 20030272A FI 20030272 A FI20030272 A FI 20030272A FI 115935 B FI115935 B FI 115935B
- Authority
- FI
- Finland
- Prior art keywords
- att
- par
- amplifier
- value
- kännetecknat
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000001105 regulatory effect Effects 0.000 title 1
- 238000004891 communication Methods 0.000 claims abstract description 15
- 230000007423 decrease Effects 0.000 claims description 10
- 230000006870 function Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 238000010295 mobile communication Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 3
- 239000003086 colorant Substances 0.000 claims 2
- 210000000056 organ Anatomy 0.000 claims 2
- 101150098533 SOST gene Proteins 0.000 claims 1
- 238000005530 etching Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 15
- 238000012546 transfer Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000006399 behavior Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 101001098529 Homo sapiens Proteinase-activated receptor 1 Proteins 0.000 description 1
- 101000713169 Homo sapiens Solute carrier family 52, riboflavin transporter, member 2 Proteins 0.000 description 1
- 108010003272 Hyaluronate lyase Proteins 0.000 description 1
- 102100036862 Solute carrier family 52, riboflavin transporter, member 2 Human genes 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004883 computer application Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000013079 data visualisation Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
-
- 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
-
- 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
- H03F1/0222—Continuous control by using a signal derived from the input signal
- H03F1/0227—Continuous control by using a signal derived from the input signal using supply converters
-
- 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
-
- 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
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/004—Control by varying the supply voltage
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3203—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion the amplifier comprising means for back off control in order to reduce distortion
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20030272A FI115935B (sv) | 2003-02-25 | 2003-02-25 | Förfarande och anordning för att reglera förstärkaregenskaper |
KR1020077029807A KR20080003943A (ko) | 2003-02-25 | 2004-02-25 | 전력증폭기 특성들을 조절하기 위한 방법 및 장치 |
PCT/FI2004/000098 WO2004077664A1 (en) | 2003-02-25 | 2004-02-25 | A method and a device for adjusting power amplifier properties |
AT04714342T ATE483273T1 (de) | 2003-02-25 | 2004-02-25 | Verfahren und einrichtung zur einstellung von leistungsverstärkereigenschaften |
EP04714342A EP1597824B1 (en) | 2003-02-25 | 2004-02-25 | A method and a device for adjusting power amplifier properties |
KR1020057015662A KR100840399B1 (ko) | 2003-02-25 | 2004-02-25 | 전력증폭기 특성들을 조절하기 위한 방법 및 장치 |
CN2004800051385A CN1754312B (zh) | 2003-02-25 | 2004-02-25 | 用于调整功率放大器性能的方法和设备 |
US10/547,240 US8041315B2 (en) | 2003-02-25 | 2004-02-25 | Method and a device for adjusting power amplifier properties |
DE602004029335T DE602004029335D1 (de) | 2003-02-25 | 2004-02-25 | Verfahren und einrichtung zur einstellung von leistungsverstärkereigenschaften |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20030272A FI115935B (sv) | 2003-02-25 | 2003-02-25 | Förfarande och anordning för att reglera förstärkaregenskaper |
FI20030272 | 2003-02-25 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI20030272A0 FI20030272A0 (sv) | 2003-02-25 |
FI20030272L FI20030272L (sv) | 2004-08-26 |
FI115935B true FI115935B (sv) | 2005-08-15 |
Family
ID=8565707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20030272A FI115935B (sv) | 2003-02-25 | 2003-02-25 | Förfarande och anordning för att reglera förstärkaregenskaper |
Country Status (8)
Country | Link |
---|---|
US (1) | US8041315B2 (sv) |
EP (1) | EP1597824B1 (sv) |
KR (2) | KR20080003943A (sv) |
CN (1) | CN1754312B (sv) |
AT (1) | ATE483273T1 (sv) |
DE (1) | DE602004029335D1 (sv) |
FI (1) | FI115935B (sv) |
WO (1) | WO2004077664A1 (sv) |
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JP2005252509A (ja) * | 2004-03-03 | 2005-09-15 | Nec Corp | マルチキャリア伝送用非線形歪補償回路 |
US7620371B2 (en) * | 2004-07-30 | 2009-11-17 | Broadcom Corporation | Transmitter signal strength indicator |
DE602004032439D1 (de) * | 2004-09-29 | 2011-06-09 | Lucent Technologies Inc | Verfahren zur Bewertung einer Fähigkeit eines Verstärkers |
US7245180B2 (en) * | 2005-08-02 | 2007-07-17 | Sony Ericsson Mobile Communications Ab | Intelligent RF power control for wireless modem devices |
CN1941661B (zh) * | 2005-09-30 | 2011-04-06 | 松下电器产业株式会社 | 多天线输入和输出系统中的全复用分集方法 |
US9413233B2 (en) | 2005-10-24 | 2016-08-09 | Parkervision, Inc. | Switching power supply with dynamically programmed threshold voltage |
US8116704B2 (en) * | 2006-11-09 | 2012-02-14 | Parkervision, Inc. | Switching power supply |
US8145251B2 (en) | 2006-01-23 | 2012-03-27 | Motorola Mobility, Inc. | Power control in schedulable wireless communication terminal |
US7420421B1 (en) * | 2006-03-16 | 2008-09-02 | The United States Of America As Represented By The Secretary Of The Navy | Open-loop RF transmitter output power control for increased power efficiency |
US9622190B2 (en) | 2006-07-25 | 2017-04-11 | Google Technology Holdings LLC | Spectrum emission level variation in schedulable wireless communication terminal |
US8014738B2 (en) * | 2006-10-30 | 2011-09-06 | Infineon Technologies Ag | Method and apparatus for optimizing output power levels in power amplifiers |
US8655396B2 (en) * | 2006-11-06 | 2014-02-18 | Qualcomm Incorporated | Methods and apparatus for power allocation and/or rate selection for UL MIMO/SIMO operations with PAR considerations |
EP1940034B1 (en) * | 2006-12-27 | 2011-05-18 | Telefonaktiebolaget LM Ericsson (publ) | Determining a level of power reduction for a transmitter |
US20080177376A1 (en) | 2007-01-18 | 2008-07-24 | Medtronic Vascular, Inc. | Stent With Improved Flexibility and Method for Making Same |
US20080181144A1 (en) * | 2007-01-30 | 2008-07-31 | Broadcom Corporation, A California Corporation | RF transceiver system with impedance mismatch detection and control and methods for use therewith |
US8255009B2 (en) | 2008-04-25 | 2012-08-28 | Apple Inc. | Radio frequency communications circuitry with power supply voltage and gain control |
US8331883B2 (en) | 2008-10-30 | 2012-12-11 | Apple Inc. | Electronic devices with calibrated radio frequency communications circuitry |
CN101404638B (zh) * | 2008-11-10 | 2011-04-20 | 华为技术有限公司 | 一种提高正交频分复用发信机效率的方法和装置 |
US8116703B2 (en) | 2008-12-08 | 2012-02-14 | Apple Inc. | Wireless transmitter calibration using device receiver |
US8165642B2 (en) | 2009-05-13 | 2012-04-24 | Apple Inc. | Electronic device with data-rate-dependent power amplifier bias |
EP2487790B1 (en) * | 2009-10-06 | 2015-04-01 | Fujitsu Limited | Papr (peak-to-average power ratio) determining apparatus and communication apparatus |
US8406706B2 (en) * | 2010-05-20 | 2013-03-26 | Lg Electronics Inc. | Mobile terminal and method of controlling a driving voltage of a power amplifier therein |
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 |
US8649686B1 (en) | 2010-11-24 | 2014-02-11 | Applied Micro Circuits Corporation | System and method for closed-loop optical network power backoff |
JP5664385B2 (ja) * | 2011-03-20 | 2015-02-04 | 富士通株式会社 | 送信装置 |
US9565655B2 (en) | 2011-04-13 | 2017-02-07 | Google Technology Holdings LLC | Method and apparatus to detect the transmission bandwidth configuration of a channel in connection with reducing interference between channels in wireless communication systems |
US8934500B2 (en) | 2011-04-13 | 2015-01-13 | Motorola Mobility Llc | Method and apparatus using two radio access technologies for scheduling resources in wireless communication systems |
WO2013063212A1 (en) * | 2011-10-27 | 2013-05-02 | Marvell World Trade Ltd. | Systems and methods for performing multi-modal power amplification |
US8880012B2 (en) * | 2012-01-19 | 2014-11-04 | Motorola Mobility Llc | Method and apparatus for resource block based transmitter optimization in wireless communication devices |
US8774298B2 (en) * | 2012-04-23 | 2014-07-08 | Cambridge Silicon Radio Limited | Transmitter with adaptive back-off |
US9635529B2 (en) * | 2014-06-05 | 2017-04-25 | Empire Technology Development Llc | PAPR adjustment using precoder data |
US9425742B2 (en) * | 2014-12-10 | 2016-08-23 | Intel Corporation | Method and apparatus for correcting inconvenient power amplifier load characteristics in an envelope tracking based system |
CN104580703A (zh) * | 2014-12-19 | 2015-04-29 | 深圳职业技术学院 | 一种提升手机工作时间的方法及系统 |
US10483926B2 (en) | 2015-02-15 | 2019-11-19 | Skyworks Solutions, Inc. | Power amplifier module with power supply control |
WO2017062650A1 (en) * | 2015-10-06 | 2017-04-13 | Resonant Inc. | Radio frequency transmit filter with integrated impedance matching network |
US11082013B2 (en) * | 2017-05-12 | 2021-08-03 | Mediatek Inc. | Method of reducing memory effect of power amplifier |
KR102340115B1 (ko) | 2020-11-06 | 2021-12-15 | 전북대학교산학협력단 | 주파수 선택도를 갖는 임의의 종단 임피던스 정합회로가 적용된 무선 통신 무선 전단부 |
US11973548B2 (en) | 2022-02-03 | 2024-04-30 | T-Mobile Usa, Inc. | Adjusting a configuration of a wireless telecommunication network |
CN115372801B (zh) * | 2022-10-24 | 2023-01-17 | 四川恒湾科技有限公司 | 一种基站射频单元功率放大器的校准方法及系统 |
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EP1658671A1 (en) * | 2003-06-16 | 2006-05-24 | Paragon Communications Ltd. | Method and apparatus for dynamically regulating the supply voltage of a power amplifier |
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-
2003
- 2003-02-25 FI FI20030272A patent/FI115935B/sv not_active IP Right Cessation
-
2004
- 2004-02-25 US US10/547,240 patent/US8041315B2/en not_active Expired - Lifetime
- 2004-02-25 EP EP04714342A patent/EP1597824B1/en not_active Expired - Lifetime
- 2004-02-25 KR KR1020077029807A patent/KR20080003943A/ko not_active Application Discontinuation
- 2004-02-25 KR KR1020057015662A patent/KR100840399B1/ko not_active Expired - Fee Related
- 2004-02-25 WO PCT/FI2004/000098 patent/WO2004077664A1/en active Application Filing
- 2004-02-25 DE DE602004029335T patent/DE602004029335D1/de not_active Expired - Lifetime
- 2004-02-25 AT AT04714342T patent/ATE483273T1/de not_active IP Right Cessation
- 2004-02-25 CN CN2004800051385A patent/CN1754312B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1597824A1 (en) | 2005-11-23 |
KR20080003943A (ko) | 2008-01-08 |
DE602004029335D1 (de) | 2010-11-11 |
US20060178121A1 (en) | 2006-08-10 |
WO2004077664A1 (en) | 2004-09-10 |
FI20030272A0 (sv) | 2003-02-25 |
EP1597824B1 (en) | 2010-09-29 |
ATE483273T1 (de) | 2010-10-15 |
US8041315B2 (en) | 2011-10-18 |
KR100840399B1 (ko) | 2008-06-23 |
CN1754312A (zh) | 2006-03-29 |
CN1754312B (zh) | 2013-05-08 |
FI20030272L (sv) | 2004-08-26 |
KR20050105485A (ko) | 2005-11-04 |
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