CN1168225C - 无线电装置和增益控制电路 - Google Patents
无线电装置和增益控制电路 Download PDFInfo
- Publication number
- CN1168225C CN1168225C CNB021053316A CN02105331A CN1168225C CN 1168225 C CN1168225 C CN 1168225C CN B021053316 A CNB021053316 A CN B021053316A CN 02105331 A CN02105331 A CN 02105331A CN 1168225 C CN1168225 C CN 1168225C
- Authority
- CN
- China
- Prior art keywords
- mentioned
- output
- amplifier
- adjacent channel
- output signal
- 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
Images
Classifications
-
- 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
- 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
-
- 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
- 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
Abstract
Description
Claims (2)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001058514A JP3477177B2 (ja) | 2001-03-02 | 2001-03-02 | 無線機及び利得制御回路 |
JP058514/2001 | 2001-03-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1374760A CN1374760A (zh) | 2002-10-16 |
CN1168225C true CN1168225C (zh) | 2004-09-22 |
Family
ID=18918224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021053316A Expired - Fee Related CN1168225C (zh) | 2001-03-02 | 2002-02-26 | 无线电装置和增益控制电路 |
Country Status (4)
Country | Link |
---|---|
US (2) | US7031682B2 (zh) |
EP (1) | EP1237297B1 (zh) |
JP (1) | JP3477177B2 (zh) |
CN (1) | CN1168225C (zh) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100561843B1 (ko) * | 2003-10-02 | 2006-03-16 | 삼성전자주식회사 | 전력 증폭기의 자동 이득 제어장치 |
JP2006050054A (ja) * | 2004-08-02 | 2006-02-16 | Matsushita Electric Ind Co Ltd | 無線電話装置およびその消費電流制御方法 |
US8032097B2 (en) | 2006-02-03 | 2011-10-04 | Quantance, Inc. | Amplitude error de-glitching circuit and method of operating |
US8095090B2 (en) * | 2006-02-03 | 2012-01-10 | Quantance, Inc. | RF power amplifier controller circuit |
US7933570B2 (en) * | 2006-02-03 | 2011-04-26 | Quantance, Inc. | Power amplifier controller circuit |
US7869542B2 (en) * | 2006-02-03 | 2011-01-11 | Quantance, Inc. | Phase error de-glitching circuit and method of operating |
US7917106B2 (en) * | 2006-02-03 | 2011-03-29 | Quantance, Inc. | RF power amplifier controller circuit including calibrated phase control loop |
CN101401261B (zh) * | 2006-02-03 | 2012-11-21 | 匡坦斯公司 | 功率放大器控制器电路 |
JP2008098830A (ja) * | 2006-10-10 | 2008-04-24 | Matsushita Electric Ind Co Ltd | 送信回路及び携帯端末装置 |
ES2317641T3 (es) * | 2007-03-02 | 2009-04-16 | Siae Microelettronica S.P.A. | Circuito de control de potencia de radiofrecuencia. |
JP4895912B2 (ja) * | 2007-05-15 | 2012-03-14 | パナソニック株式会社 | 信号増幅装置 |
US7941110B2 (en) | 2007-07-23 | 2011-05-10 | Freescale Semiconductor, Inc. | RF circuit with control unit to reduce signal power under appropriate conditions |
US8255009B2 (en) | 2008-04-25 | 2012-08-28 | Apple Inc. | Radio frequency communications circuitry with power supply voltage and gain control |
US20100022209A1 (en) * | 2008-07-25 | 2010-01-28 | Motorola, Inc | Method and apparatus for reducing peak current variation in a radio |
US8331883B2 (en) | 2008-10-30 | 2012-12-11 | Apple Inc. | Electronic devices with calibrated radio frequency communications circuitry |
US8116703B2 (en) | 2008-12-08 | 2012-02-14 | Apple Inc. | Wireless transmitter calibration using device receiver |
US8620225B2 (en) | 2008-12-15 | 2013-12-31 | Nec Corporation | Power detection circuit, transmitter, and power detection method |
US8165642B2 (en) | 2009-05-13 | 2012-04-24 | Apple Inc. | Electronic device with data-rate-dependent power amplifier bias |
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 |
US8538353B2 (en) | 2011-02-18 | 2013-09-17 | Qualcomm Incorporated | Adaptive average power tracking |
US8582035B2 (en) * | 2011-02-22 | 2013-11-12 | Intel Corporation | Apparatus, systems and methods utilizing adjacent-channel power dependent automatic gain control for digital television demodulation |
EP2621093B1 (en) * | 2012-01-27 | 2019-04-03 | BlackBerry Limited | Mobile wireless communications device with selective power amplifier control and related methods |
US10483926B2 (en) | 2015-02-15 | 2019-11-19 | Skyworks Solutions, Inc. | Power amplifier module with power supply control |
CN107070486B (zh) * | 2017-05-27 | 2019-08-30 | 青岛海信移动通信技术股份有限公司 | 一种调整射频功率放大器的供电电压的方法及射频电路 |
JP2020198592A (ja) * | 2019-06-05 | 2020-12-10 | 三菱電機特機システム株式会社 | 送信電力制御回路 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60190035A (ja) * | 1984-03-09 | 1985-09-27 | Nec Corp | 衛星通信送信電力制御方式 |
US5182527A (en) * | 1990-03-30 | 1993-01-26 | Oki Electric Industry Co., Ltd. | Power amplifying apparatus for wireless transmitter |
US5465399A (en) * | 1992-08-19 | 1995-11-07 | The Boeing Company | Apparatus and method for controlling transmitted power in a radio network |
JP3192323B2 (ja) | 1994-07-29 | 2001-07-23 | 沖電気工業株式会社 | 電力制御回路 |
US5712593A (en) | 1996-02-05 | 1998-01-27 | Motorola, Inc. | Linear power amplifier with distortion detection |
AU5299600A (en) * | 1999-05-26 | 2000-12-12 | Broadcom Corporation | Integrated vco |
JP2001358606A (ja) | 2000-06-14 | 2001-12-26 | Matsushita Electric Ind Co Ltd | 時分割多重方式無線装置 |
JP4413398B2 (ja) * | 2000-08-30 | 2010-02-10 | 株式会社東芝 | 漏洩電力比検出回路および移動通信端末の制御回路 |
-
2001
- 2001-03-02 JP JP2001058514A patent/JP3477177B2/ja not_active Expired - Fee Related
-
2002
- 2002-02-26 CN CNB021053316A patent/CN1168225C/zh not_active Expired - Fee Related
- 2002-03-01 EP EP02251472A patent/EP1237297B1/en not_active Expired - Lifetime
- 2002-03-01 US US10/085,735 patent/US7031682B2/en not_active Expired - Fee Related
-
2005
- 2005-09-08 US US11/220,584 patent/US7430405B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7430405B2 (en) | 2008-09-30 |
EP1237297B1 (en) | 2005-02-09 |
EP1237297A3 (en) | 2003-03-19 |
US20020123315A1 (en) | 2002-09-05 |
US7031682B2 (en) | 2006-04-18 |
US20060003716A1 (en) | 2006-01-05 |
JP2002261631A (ja) | 2002-09-13 |
CN1374760A (zh) | 2002-10-16 |
EP1237297A2 (en) | 2002-09-04 |
JP3477177B2 (ja) | 2003-12-10 |
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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 | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: FUJITSU-TOSHIBA MOBILE COMMUNICATIONS CO., LTD. Free format text: FORMER OWNER: TOSHIBA K.K. Effective date: 20110310 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: TOKYO METROPOLITAN, JAPAN TO: KANAGAWA, JAPAN |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110310 Address after: Kanagawa, Japan Patentee after: Toshiba KK Address before: Tokyo, Japan, Japan Patentee before: Toshiba Corp |
|
C56 | Change in the name or address of the patentee |
Owner name: FUJITSU MOBILE COMMUNICATIONS LIMITED Free format text: FORMER NAME: FUJITSU TOSHIBA MOBILE COMMUNICATIONS CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Kanagawa, Japan Patentee after: Fujitsu Toshiba Mobile Comm Address before: Kanagawa, Japan Patentee before: Toshiba KK |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040922 Termination date: 20150226 |
|
EXPY | Termination of patent right or utility model |