CN1171485C - 适用于通信装置中的根据延迟波形进行的功率放大器控制 - Google Patents
适用于通信装置中的根据延迟波形进行的功率放大器控制 Download PDFInfo
- Publication number
- CN1171485C CN1171485C CNB991236556A CN99123655A CN1171485C CN 1171485 C CN1171485 C CN 1171485C CN B991236556 A CNB991236556 A CN B991236556A CN 99123655 A CN99123655 A CN 99123655A CN 1171485 C CN1171485 C CN 1171485C
- Authority
- CN
- China
- Prior art keywords
- signal
- control
- power amplifier
- power
- waveform
- 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.)
- Expired - Fee Related
Links
- 238000004891 communication Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000003321 amplification Effects 0.000 claims abstract description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 25
- 230000004044 response Effects 0.000 claims description 9
- 230000014509 gene expression Effects 0.000 claims description 7
- 230000003111 delayed effect Effects 0.000 abstract description 6
- 230000001413 cellular effect Effects 0.000 abstract description 5
- 230000000630 rising effect Effects 0.000 description 14
- 230000008859 change Effects 0.000 description 8
- 238000001514 detection method Methods 0.000 description 8
- 238000004088 simulation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000005012 migration Effects 0.000 description 4
- 238000013508 migration Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- 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
- H03G3/3047—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers for intermittent signals, e.g. burst signals
Landscapes
- Amplifiers (AREA)
- Transmitters (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/184,614 | 1998-11-02 | ||
US09/184,614 US6169886B1 (en) | 1998-11-02 | 1998-11-02 | Power amplifier control according to a delayed waveform suitable for use in a communication device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1256604A CN1256604A (zh) | 2000-06-14 |
CN1171485C true CN1171485C (zh) | 2004-10-13 |
Family
ID=22677644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB991236556A Expired - Fee Related CN1171485C (zh) | 1998-11-02 | 1999-11-02 | 适用于通信装置中的根据延迟波形进行的功率放大器控制 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6169886B1 (zh) |
CN (1) | CN1171485C (zh) |
GB (2) | GB2343800B (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2781323B1 (fr) * | 1998-07-16 | 2000-08-18 | Alsthom Cge Alcatel | Procede de transmission dans des fenetres successives |
KR100303795B1 (ko) * | 1998-08-07 | 2001-09-24 | 윤종용 | 송신신호 이득 제어방법 |
US6934512B2 (en) * | 1998-11-03 | 2005-08-23 | Gilat Satellite Networks, Ltd. | Switching VSAT transmitter |
SE9904860L (sv) * | 1999-12-30 | 2001-07-01 | Ericsson Telefon Ab L M | Effektkarakteristik hos en radiosändare |
US6879814B2 (en) * | 2001-04-27 | 2005-04-12 | Nokia Corporation | Power control apparatus, and associated method, for a sending station of a communication system |
US6603335B1 (en) | 2002-06-11 | 2003-08-05 | Sige Semiconductor Inc. | Ramp circuit to reduce spectral regrowth of power amplifiers |
US7129787B1 (en) * | 2003-04-18 | 2006-10-31 | Broadcom Corporation | Systems and methods for ramping power amplifier output power |
DE602004007763T2 (de) * | 2004-04-30 | 2008-04-30 | Renesas Technology Europe Ltd., Bourne End | Rampenerzeugungsschaltung |
EP2296412B1 (en) * | 2004-12-23 | 2014-02-26 | Freescale Semiconductor, Inc. | Wireless communication unit and power control system thereof |
US8014737B2 (en) * | 2004-12-23 | 2011-09-06 | Freescale Semiconductor, Inc. | Power control system for a wireless communication unit |
US8184655B2 (en) * | 2005-04-21 | 2012-05-22 | Interdigital Technology Corporation | Wireless communication method and WLAN for signaling deferral management messages |
GB2442775B (en) * | 2006-08-11 | 2009-04-29 | Motorola Inc | Linearised transmitter and method of operation for use in wireless communications |
JP5169689B2 (ja) * | 2008-02-14 | 2013-03-27 | 富士通株式会社 | 通信装置 |
US7768353B2 (en) | 2008-06-13 | 2010-08-03 | Samsung Electro-Mechanics Company, Ltd. | Systems and methods for switching mode power amplifier control |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI87028C (fi) | 1989-12-22 | 1992-11-10 | Nokia Mobile Phones Ltd | Metod foer att reglera effekt hos en spaenningsstyrd effektfoerstaerkare och koppling foer anvaendning i metoden |
US5150075A (en) | 1991-06-03 | 1992-09-22 | Motorola, Inc. | Power amplifier ramp up method and apparatus |
JP2710503B2 (ja) | 1991-10-14 | 1998-02-10 | 日本電気株式会社 | 出力電力制御回路 |
FI97179C (fi) * | 1994-06-15 | 1996-10-25 | Nokia Mobile Phones Ltd | Pulssitetun lähettimen lähtötehon säätö ja tehon verhokäyrän muotoilu |
GB2297443B (en) * | 1995-01-26 | 1999-09-08 | Sony Uk Ltd | Amplifier |
JPH09181632A (ja) * | 1995-12-22 | 1997-07-11 | Alps Electric Co Ltd | 遅延自動利得制御回路 |
KR100266806B1 (ko) * | 1996-12-11 | 2000-09-15 | 윤종용 | 휴대용무선통신단말기의전력제어회로및방법 |
FR2758024B1 (fr) * | 1996-12-30 | 1999-01-29 | Alsthom Cge Alcatel | Dispositif d'alimentation d'un amplificateur de puissance pour terminal de radiocommunications mobiles |
US6047169A (en) * | 1997-06-06 | 2000-04-04 | Ericsson Inc. | Radio communications device with reference-compensated power down control and methods of operating thereof |
US5982760A (en) * | 1997-06-20 | 1999-11-09 | Qualcomm Inc. | Method and apparatus for power adaptation control in closed-loop communications |
-
1998
- 1998-11-02 US US09/184,614 patent/US6169886B1/en not_active Expired - Lifetime
-
1999
- 1999-11-01 GB GB9925787A patent/GB2343800B/en not_active Expired - Fee Related
- 1999-11-01 GB GBGB9925867.5A patent/GB9925867D0/en active Pending
- 1999-11-02 CN CNB991236556A patent/CN1171485C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2343800B (en) | 2001-01-10 |
GB9925867D0 (en) | 1999-12-29 |
CN1256604A (zh) | 2000-06-14 |
US6169886B1 (en) | 2001-01-02 |
GB2343800A (en) | 2000-05-17 |
GB9925787D0 (en) | 1999-12-29 |
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PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MOTOROLA MOBILE CO., LTD. Free format text: FORMER OWNER: MOTOROLA INC. Effective date: 20101230 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20101230 Address after: Illinois Instrunment Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois Instrunment 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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CP02 | Change in the address of a patent holder |
Address after: Illinois State Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois Instrunment Patentee before: MOTOROLA MOBILITY, Inc. |
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TR01 | Transfer of patent right |
Effective date of registration: 20160616 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041013 Termination date: 20171102 |