CN1306344A - 与调制有关的信号放大方法和装置 - Google Patents
与调制有关的信号放大方法和装置 Download PDFInfo
- Publication number
- CN1306344A CN1306344A CN01100788A CN01100788A CN1306344A CN 1306344 A CN1306344 A CN 1306344A CN 01100788 A CN01100788 A CN 01100788A CN 01100788 A CN01100788 A CN 01100788A CN 1306344 A CN1306344 A CN 1306344A
- Authority
- CN
- China
- Prior art keywords
- amplifier
- modulation format
- signal
- net
- linear modulation
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 5
- 238000004891 communication Methods 0.000 claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims description 14
- 230000010363 phase shift Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 230000001413 cellular effect Effects 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- RGCLLPNLLBQHPF-HJWRWDBZSA-N phosphamidon Chemical compound CCN(CC)C(=O)C(\Cl)=C(/C)OP(=O)(OC)OC RGCLLPNLLBQHPF-HJWRWDBZSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—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
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic 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
- H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
- Amplitude Modulation (AREA)
- Time-Division Multiplex Systems (AREA)
Abstract
Description
Claims (17)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/483,331 | 2000-01-14 | ||
US09/483,331 US6281748B1 (en) | 2000-01-14 | 2000-01-14 | Method of and apparatus for modulation dependent signal amplification |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1306344A true CN1306344A (zh) | 2001-08-01 |
CN1179482C CN1179482C (zh) | 2004-12-08 |
Family
ID=23919634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011007885A Expired - Lifetime CN1179482C (zh) | 2000-01-14 | 2001-01-11 | 与调制有关的信号放大方法和装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6281748B1 (zh) |
JP (1) | JP2001251202A (zh) |
KR (1) | KR100372858B1 (zh) |
CN (1) | CN1179482C (zh) |
BR (1) | BR0100042B1 (zh) |
GB (1) | GB2362051B (zh) |
MX (1) | MXPA01000420A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105099582A (zh) * | 2015-07-20 | 2015-11-25 | 联想(北京)有限公司 | 一种负载设置方法及系统 |
Families Citing this family (57)
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US8744384B2 (en) | 2000-07-20 | 2014-06-03 | Blackberry Limited | Tunable microwave devices with auto-adjusting matching circuit |
JP4240780B2 (ja) * | 2000-08-08 | 2009-03-18 | Tdk株式会社 | パワーアンプ内蔵型アイソレータ装置 |
US6496063B2 (en) * | 2000-12-04 | 2002-12-17 | Texas Instruments Incorporated | Selectable diode bias for power amplifier control in a wireless telephone handset |
US6680652B2 (en) * | 2001-08-06 | 2004-01-20 | Rf Micro Devices, Inc. | Load switching for transmissions with different peak-to-average power ratios |
US7102429B2 (en) * | 2002-06-28 | 2006-09-05 | Motorola, Inc. | RF amplifier with enhanced efficiency |
US6794935B2 (en) * | 2002-10-17 | 2004-09-21 | Motorola Inc. | Power amplification circuit and method for supplying power at a plurality of desired power output levels |
EP1564898A1 (en) * | 2004-02-13 | 2005-08-17 | Thomson Licensing S.A. | Radio transmitter with reduced power consumption |
FR2873247B1 (fr) * | 2004-07-15 | 2008-03-07 | Nortel Networks Ltd | Emetteur radio avec adaptation d'impedance variable |
US8521204B2 (en) * | 2004-09-30 | 2013-08-27 | Motorola Mobility Llc | Signal configuration based transmitter adjustment in wireless communication devices |
CN101061639A (zh) * | 2004-11-19 | 2007-10-24 | 皇家飞利浦电子股份有限公司 | 包含控制匹配级的设备 |
CN101103536A (zh) * | 2004-11-19 | 2008-01-09 | 皇家飞利浦电子股份有限公司 | 包括耦合到放大器级输出端的负载线的设备 |
US20060194551A1 (en) * | 2005-02-25 | 2006-08-31 | Matsushita Electric Industrial Co., Ltd. | Power amplifier and polar modulation system |
DE102005032093B9 (de) * | 2005-07-08 | 2012-01-19 | Infineon Technologies Ag | Verstärkeranordnung |
US9406444B2 (en) | 2005-11-14 | 2016-08-02 | Blackberry Limited | Thin film capacitors |
US7711337B2 (en) | 2006-01-14 | 2010-05-04 | Paratek Microwave, Inc. | Adaptive impedance matching module (AIMM) control architectures |
US8145251B2 (en) | 2006-01-23 | 2012-03-27 | Motorola Mobility, Inc. | Power control in schedulable wireless communication terminal |
US20070173260A1 (en) * | 2006-01-23 | 2007-07-26 | Love Robert T | Wireless communication network scheduling |
US7729667B2 (en) * | 2006-02-16 | 2010-06-01 | Raytheon Company | System and method for intermodulation distortion cancellation |
US9622190B2 (en) | 2006-07-25 | 2017-04-11 | Google Technology Holdings LLC | Spectrum emission level variation in schedulable wireless communication terminal |
US20080025254A1 (en) * | 2006-07-25 | 2008-01-31 | Motorola Inc | Spectrum emission level variation in schedulable wireless communication terminal |
US7733187B2 (en) * | 2006-10-13 | 2010-06-08 | Panasonic Corporation | High frequency power amplifier |
US7714676B2 (en) | 2006-11-08 | 2010-05-11 | Paratek Microwave, Inc. | Adaptive impedance matching apparatus, system and method |
US7535312B2 (en) | 2006-11-08 | 2009-05-19 | Paratek Microwave, Inc. | Adaptive impedance matching apparatus, system and method with improved dynamic range |
US20080171523A1 (en) * | 2006-12-20 | 2008-07-17 | Sony Ericsson Mobile Communications Ab | Power Amplifier Bias Control |
US7917104B2 (en) | 2007-04-23 | 2011-03-29 | Paratek Microwave, Inc. | Techniques for improved adaptive impedance matching |
US8213886B2 (en) | 2007-05-07 | 2012-07-03 | Paratek Microwave, Inc. | Hybrid techniques for antenna retuning utilizing transmit and receive power information |
US7991363B2 (en) | 2007-11-14 | 2011-08-02 | Paratek Microwave, Inc. | Tuning matching circuits for transmitter and receiver bands as a function of transmitter metrics |
US8170505B2 (en) * | 2008-07-30 | 2012-05-01 | Qualcomm Incorporated | Driver amplifier having a programmable output impedance adjustment circuit |
US8072285B2 (en) | 2008-09-24 | 2011-12-06 | Paratek Microwave, Inc. | Methods for tuning an adaptive impedance matching network with a look-up table |
US8103226B2 (en) | 2008-10-28 | 2012-01-24 | Skyworks Solutions, Inc. | Power amplifier saturation detection |
US8472888B2 (en) | 2009-08-25 | 2013-06-25 | Research In Motion Rf, Inc. | Method and apparatus for calibrating a communication device |
US9026062B2 (en) | 2009-10-10 | 2015-05-05 | Blackberry Limited | Method and apparatus for managing operations of a communication device |
US8803631B2 (en) | 2010-03-22 | 2014-08-12 | Blackberry Limited | Method and apparatus for adapting a variable impedance network |
CA2797074C (en) | 2010-04-20 | 2018-08-14 | Research In Motion Rf, Inc. | Method and apparatus for managing interference in a communication device |
US9379454B2 (en) | 2010-11-08 | 2016-06-28 | Blackberry Limited | Method and apparatus for tuning antennas in a communication device |
KR101170634B1 (ko) | 2010-11-25 | 2012-08-02 | 주식회사 에이스테크놀로지 | 다중대역 스위칭 도허티 증폭기 |
DE102010061060A1 (de) * | 2010-12-07 | 2012-06-28 | Rwth Aachen | Leistungsverstärker für Hochfrequenzanwendungen im Schaltermodus |
US8712340B2 (en) | 2011-02-18 | 2014-04-29 | Blackberry Limited | Method and apparatus for radio antenna frequency tuning |
US8655286B2 (en) | 2011-02-25 | 2014-02-18 | Blackberry Limited | Method and apparatus for tuning a communication device |
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 |
US8594584B2 (en) | 2011-05-16 | 2013-11-26 | Blackberry Limited | Method and apparatus for tuning a communication device |
US8626083B2 (en) | 2011-05-16 | 2014-01-07 | Blackberry Limited | Method and apparatus for tuning a communication device |
US9769826B2 (en) | 2011-08-05 | 2017-09-19 | Blackberry Limited | Method and apparatus for band tuning in a communication device |
US8948889B2 (en) | 2012-06-01 | 2015-02-03 | Blackberry Limited | Methods and apparatus for tuning circuit components of a communication device |
US9853363B2 (en) | 2012-07-06 | 2017-12-26 | Blackberry Limited | Methods and apparatus to control mutual coupling between antennas |
US9246223B2 (en) | 2012-07-17 | 2016-01-26 | Blackberry Limited | Antenna tuning for multiband operation |
US9413066B2 (en) | 2012-07-19 | 2016-08-09 | Blackberry Limited | Method and apparatus for beam forming and antenna tuning in a communication device |
US9350405B2 (en) | 2012-07-19 | 2016-05-24 | Blackberry Limited | Method and apparatus for antenna tuning and power consumption management in a communication device |
US9362891B2 (en) | 2012-07-26 | 2016-06-07 | Blackberry Limited | Methods and apparatus for tuning a communication device |
US8706061B2 (en) | 2012-08-16 | 2014-04-22 | Motorola Mobility Llc | Method for simultaneous transmitter operation |
US8874052B2 (en) | 2012-11-15 | 2014-10-28 | Motorola Mobility Llc | Method and apparatus for improving efficiency and distortion leakage in a wireless power amplifier |
US10404295B2 (en) | 2012-12-21 | 2019-09-03 | Blackberry Limited | Method and apparatus for adjusting the timing of radio antenna tuning |
EP2747294B1 (en) * | 2012-12-21 | 2017-07-19 | BlackBerry Limited | Method and apparatus for adjusting the timing of radio antenna tuning |
US9374113B2 (en) * | 2012-12-21 | 2016-06-21 | Blackberry Limited | Method and apparatus for adjusting the timing of radio antenna tuning |
US9438319B2 (en) | 2014-12-16 | 2016-09-06 | Blackberry Limited | Method and apparatus for antenna selection |
KR102582479B1 (ko) | 2019-01-03 | 2023-09-25 | 삼성전자주식회사 | 무선 주파수 신호를 처리하는 모듈을 조절하기 위한 전자 장치 |
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US4227156A (en) | 1977-12-01 | 1980-10-07 | Licentia Patent-Verwaltungs-G.M.B.H. | Circuit for at least two frequencies |
JPS5961236A (ja) * | 1982-09-29 | 1984-04-07 | Toshiba Corp | 光伝送用受信回路方式 |
US4823094A (en) | 1986-05-02 | 1989-04-18 | Reiffin Martin G | Dual-band high-fidelity amplifier |
DE3626575C1 (de) | 1986-08-06 | 1987-10-15 | Telefunken Electronic Gmbh | Umschaltbarer Tunervorverstaerker |
JPS63253730A (ja) * | 1987-04-09 | 1988-10-20 | Nec Corp | 電力増幅器 |
US5170496A (en) | 1989-06-22 | 1992-12-08 | Texas Instruments Deutschland Gmbh | Circuit arrangement for matching the resonant frequency of an antenna resonant circuit to the output frequency of a transmitter output stage |
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JPH06507775A (ja) | 1992-03-13 | 1994-09-01 | モトローラ・インコーポレイテッド | 電力増幅器結合回路 |
US5204637A (en) * | 1992-04-17 | 1993-04-20 | Hughes Aircraft Company | Power detection technique for automatic amplifier power control |
JPH0645993A (ja) * | 1992-07-21 | 1994-02-18 | Kyocera Corp | アナログ/デジタル共用電話システムの電力増幅器 |
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-
2000
- 2000-01-14 US US09/483,331 patent/US6281748B1/en not_active Expired - Lifetime
- 2000-12-20 GB GB0031141A patent/GB2362051B/en not_active Expired - Lifetime
-
2001
- 2001-01-09 BR BRPI0100042-0A patent/BR0100042B1/pt not_active IP Right Cessation
- 2001-01-10 JP JP2001002844A patent/JP2001251202A/ja active Pending
- 2001-01-11 CN CNB011007885A patent/CN1179482C/zh not_active Expired - Lifetime
- 2001-01-12 MX MXPA01000420A patent/MXPA01000420A/es active IP Right Grant
- 2001-01-12 KR KR10-2001-0001758A patent/KR100372858B1/ko active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105099582A (zh) * | 2015-07-20 | 2015-11-25 | 联想(北京)有限公司 | 一种负载设置方法及系统 |
Also Published As
Publication number | Publication date |
---|---|
BR0100042A (pt) | 2001-08-21 |
GB0031141D0 (en) | 2001-01-31 |
CN1179482C (zh) | 2004-12-08 |
BR0100042B1 (pt) | 2014-01-28 |
GB2362051A (en) | 2001-11-07 |
GB2362051B (en) | 2002-05-29 |
MXPA01000420A (es) | 2004-03-26 |
KR100372858B1 (ko) | 2003-02-19 |
JP2001251202A (ja) | 2001-09-14 |
US6281748B1 (en) | 2001-08-28 |
GB2362051A8 (en) | 2002-04-17 |
KR20010076255A (ko) | 2001-08-11 |
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Legal Events
Date | Code | Title | Description |
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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 MOBILITY CO., LTD. Free format text: FORMER OWNER: MOTOROLA INC. Effective date: 20110127 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110127 Address after: Illinois State Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois, USA Patentee before: Motorola, Inc. |
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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. |
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TR01 | Transfer of patent right |
Effective date of registration: 20160311 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20041208 |