WO2000060736A1 - Transmitter and receiver - Google Patents
Transmitter and receiver Download PDFInfo
- Publication number
- WO2000060736A1 WO2000060736A1 PCT/JP2000/001591 JP0001591W WO0060736A1 WO 2000060736 A1 WO2000060736 A1 WO 2000060736A1 JP 0001591 W JP0001591 W JP 0001591W WO 0060736 A1 WO0060736 A1 WO 0060736A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- amplifier circuit
- circuit
- load
- power
- power amplifier
- 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
- H03F1/02—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
- H03F1/56—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 without distortion of the input signal
- 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
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/372—Noise reduction and elimination in amplifier
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020007013509A KR20010043939A (ko) | 1999-04-01 | 2000-03-16 | 송신기 및 수신기와 증폭 회로의 부하 변동 보상 방법 |
EP00909662A EP1093222A1 (en) | 1999-04-01 | 2000-03-16 | Transmitter and receiver |
CA002333742A CA2333742A1 (en) | 1999-04-01 | 2000-03-16 | Transmitter and receiver |
AU31921/00A AU3192100A (en) | 1999-04-01 | 2000-03-16 | Transmitter and receiver |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11095425A JP2000295055A (ja) | 1999-04-01 | 1999-04-01 | 送信機および受信機 |
JP11/95425 | 1999-04-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000060736A1 true WO2000060736A1 (en) | 2000-10-12 |
Family
ID=14137351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/001591 WO2000060736A1 (en) | 1999-04-01 | 2000-03-16 | Transmitter and receiver |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1093222A1 (ja) |
JP (1) | JP2000295055A (ja) |
KR (1) | KR20010043939A (ja) |
CN (1) | CN1297609A (ja) |
AU (1) | AU3192100A (ja) |
CA (1) | CA2333742A1 (ja) |
WO (1) | WO2000060736A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7560991B2 (en) | 2006-02-21 | 2009-07-14 | Realtek Semiconductor Corp. | Dynamically compensated operational amplifier |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1254925C (zh) | 2001-09-27 | 2006-05-03 | 株式会社东芝 | 便携式无线电设备 |
US7113033B2 (en) * | 2002-01-31 | 2006-09-26 | Qualcomm Incorporated | Variable impedance load for a variable gain radio frequency amplifier |
JP2005536106A (ja) | 2002-08-12 | 2005-11-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 改善された線形制御特性を有する可変利得増幅器 |
SE0202989D0 (sv) * | 2002-10-10 | 2002-10-10 | Allgon Mobile Comm Ab | Power amplifier efficiency |
KR100540229B1 (ko) | 2003-02-25 | 2006-01-10 | 엘지전자 주식회사 | 이동통신 단말기의 송신단 성능 개선 장치 및 그 방법 |
DE10337829A1 (de) * | 2003-08-18 | 2005-03-17 | Siemens Ag | Vorrichtung und Verfahren zur Begrenzung der Fehlanpassung von Endstufen |
US7433658B1 (en) | 2003-09-30 | 2008-10-07 | Marvell International Ltd. | System and method for controlling true output power of a transmitter |
EP1521359A1 (en) * | 2003-10-04 | 2005-04-06 | Lucent Technologies Network Systems GmbH | Amplifier assembly with an adjustable performance |
JP2005167591A (ja) * | 2003-12-02 | 2005-06-23 | Matsushita Electric Ind Co Ltd | 無線装置 |
JP2005191791A (ja) | 2003-12-25 | 2005-07-14 | Matsushita Electric Ind Co Ltd | 電力増幅器の保護回路 |
JP4064379B2 (ja) | 2004-07-26 | 2008-03-19 | 富士通メディアデバイス株式会社 | 送信モジュール |
JP4606843B2 (ja) | 2004-11-01 | 2011-01-05 | 京セラ株式会社 | 無線通信モジュール、通信端末、およびインピーダンス整合方法 |
US7346317B2 (en) * | 2005-04-04 | 2008-03-18 | Freescale Semiconductor, Inc. | Dynamic gain and phase compensation for power amplifier load switching |
JP2007329830A (ja) * | 2006-06-09 | 2007-12-20 | Kyocera Corp | 電力増幅装置及び通信装置並びに電力増幅器の調整方法 |
CN101490949B (zh) | 2006-12-27 | 2012-01-18 | 松下电器产业株式会社 | 极化调制发送装置 |
JP2008206108A (ja) * | 2007-02-22 | 2008-09-04 | Matsushita Electric Works Ltd | 無線送信機 |
JP2008252267A (ja) * | 2007-03-29 | 2008-10-16 | Japan Radio Co Ltd | 高周波電力増幅器 |
JP4808182B2 (ja) | 2007-04-27 | 2011-11-02 | 株式会社エヌ・ティ・ティ・ドコモ | 無線通信装置、無線通信装置の給電方法 |
CN101953081B (zh) | 2007-08-03 | 2013-10-30 | 夏普株式会社 | 通信装置 |
US8036616B2 (en) | 2008-05-05 | 2011-10-11 | Infineon Technologies Ag | Noise parameter determination method |
WO2010010525A1 (en) * | 2008-07-23 | 2010-01-28 | Nxp B.V. | Vswr compensation circuits for rf transmit chain |
GB2476035B (en) * | 2009-12-08 | 2016-06-01 | Microsoft Technology Licensing Llc | Improvements relating to power amplifiers and antennas |
US8416023B2 (en) * | 2010-06-08 | 2013-04-09 | Nxp B.V. | System and method for compensating for changes in an output impedance of a power amplifier |
JP2013038613A (ja) * | 2011-08-08 | 2013-02-21 | Sharp Corp | 無線回路、無線装置、および、無線装置の制御方法 |
CN103532509A (zh) * | 2013-09-25 | 2014-01-22 | 华为终端有限公司 | 一种调节功率放大器功耗的电路、方法及移动终端 |
US9654074B2 (en) * | 2015-05-31 | 2017-05-16 | Mediatek Inc. | Variable gain amplifier circuit, controller of main amplifier and associated control method |
WO2023084829A1 (ja) * | 2021-11-10 | 2023-05-19 | 株式会社村田製作所 | 励振回路、振動装置および車両 |
WO2023248631A1 (ja) * | 2022-06-21 | 2023-12-28 | 株式会社村田製作所 | 高周波回路 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0297227A (ja) * | 1988-09-30 | 1990-04-09 | Canon Inc | 電源装置 |
WO1994023491A1 (en) * | 1993-03-26 | 1994-10-13 | Qualcomm Incorporated | Power amplifier bias control circuit and method |
JPH07254864A (ja) * | 1994-03-15 | 1995-10-03 | Fujitsu Ltd | 無線送信機 |
-
1999
- 1999-04-01 JP JP11095425A patent/JP2000295055A/ja active Pending
-
2000
- 2000-03-16 CA CA002333742A patent/CA2333742A1/en not_active Abandoned
- 2000-03-16 AU AU31921/00A patent/AU3192100A/en not_active Abandoned
- 2000-03-16 KR KR1020007013509A patent/KR20010043939A/ko active IP Right Grant
- 2000-03-16 WO PCT/JP2000/001591 patent/WO2000060736A1/ja active IP Right Grant
- 2000-03-16 CN CN00800387A patent/CN1297609A/zh active Pending
- 2000-03-16 EP EP00909662A patent/EP1093222A1/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0297227A (ja) * | 1988-09-30 | 1990-04-09 | Canon Inc | 電源装置 |
WO1994023491A1 (en) * | 1993-03-26 | 1994-10-13 | Qualcomm Incorporated | Power amplifier bias control circuit and method |
JPH07254864A (ja) * | 1994-03-15 | 1995-10-03 | Fujitsu Ltd | 無線送信機 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7560991B2 (en) | 2006-02-21 | 2009-07-14 | Realtek Semiconductor Corp. | Dynamically compensated operational amplifier |
Also Published As
Publication number | Publication date |
---|---|
KR20010043939A (ko) | 2001-05-25 |
EP1093222A1 (en) | 2001-04-18 |
JP2000295055A (ja) | 2000-10-20 |
AU3192100A (en) | 2000-10-23 |
CN1297609A (zh) | 2001-05-30 |
CA2333742A1 (en) | 2000-10-12 |
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