CN104753477B - 功率放大器及其增益切换电路 - Google Patents
功率放大器及其增益切换电路 Download PDFInfo
- Publication number
- CN104753477B CN104753477B CN201310746831.9A CN201310746831A CN104753477B CN 104753477 B CN104753477 B CN 104753477B CN 201310746831 A CN201310746831 A CN 201310746831A CN 104753477 B CN104753477 B CN 104753477B
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- China
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- signal
- gain
- power tube
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- Prior art date
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- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
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- Amplifiers (AREA)
Abstract
Description
Claims (9)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310746831.9A CN104753477B (zh) | 2013-12-30 | 2013-12-30 | 功率放大器及其增益切换电路 |
PCT/CN2014/093421 WO2015101144A1 (zh) | 2013-12-30 | 2014-12-10 | 功率放大器及其增益切换电路 |
US15/139,087 US9595933B2 (en) | 2013-12-30 | 2016-04-26 | Power amplifier device and circuits |
US15/418,748 US9887679B2 (en) | 2013-12-30 | 2017-01-29 | Power amplifier and gain switching circuit thereof |
US15/853,835 US10044334B2 (en) | 2013-12-30 | 2017-12-24 | Power amplifier and gain reduction circuit thereof |
US15/853,950 US9973164B1 (en) | 2013-12-30 | 2017-12-25 | Power amplifier output power control circuit |
US15/854,738 US10044335B2 (en) | 2013-12-30 | 2017-12-26 | Multi-mode multi-frequency power amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310746831.9A CN104753477B (zh) | 2013-12-30 | 2013-12-30 | 功率放大器及其增益切换电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104753477A CN104753477A (zh) | 2015-07-01 |
CN104753477B true CN104753477B (zh) | 2018-07-20 |
Family
ID=53493167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310746831.9A Active CN104753477B (zh) | 2013-12-30 | 2013-12-30 | 功率放大器及其增益切换电路 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN104753477B (zh) |
WO (1) | WO2015101144A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106788298B (zh) * | 2015-11-20 | 2019-03-15 | 厦门宇臻集成电路科技有限公司 | 一种功率放大器增益切换电路 |
CN106169915B (zh) * | 2016-06-30 | 2020-07-31 | 唯捷创芯(天津)电子技术股份有限公司 | 多增益模式功率放大器、芯片及通信终端 |
JP2018063613A (ja) * | 2016-10-14 | 2018-04-19 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
CN106559052A (zh) * | 2016-11-22 | 2017-04-05 | 西京学院 | 一种电子信息传输放大器 |
CN108206679A (zh) * | 2016-12-20 | 2018-06-26 | 深圳市中兴微电子技术有限公司 | 一种射频功率放大器及其增益控制电路 |
CN107241073B (zh) * | 2017-05-25 | 2020-05-05 | 江苏大学 | 一种提高线性度的并行结构功率放大器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1665127A (zh) * | 2004-03-03 | 2005-09-07 | 恩益禧电子股份有限公司 | 可变电容电路以及包含该可变电容电路的集成电路 |
CN202652152U (zh) * | 2012-05-15 | 2013-01-02 | 无锡中科微电子工业技术研究院有限责任公司 | 一种输出功率可调节的射频功率放大器电路 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0691390B2 (ja) * | 1988-05-02 | 1994-11-14 | 株式会社東芝 | 増幅器 |
WO2002015397A2 (en) * | 2000-08-16 | 2002-02-21 | Maxim Integrated Products, Inc. | Low-loss bypass mode of an amplifier with high linearity and matched impedance |
GB2379567B (en) * | 2001-08-30 | 2003-09-10 | Zarlink Semiconductor Ltd | Controllable attenuator |
US6765436B1 (en) * | 2002-09-04 | 2004-07-20 | Cirrus Logic, Inc. | Power supply based audio compression for digital audio amplifier |
CN1641998A (zh) * | 2004-01-16 | 2005-07-20 | 络达科技股份有限公司 | 可切换式增益放大器 |
US7365597B2 (en) * | 2005-08-19 | 2008-04-29 | Micron Technology, Inc. | Switched capacitor amplifier with higher gain and improved closed-loop gain accuracy |
CN101394151B (zh) * | 2008-10-14 | 2011-01-26 | 福建先创电子有限公司 | 功率放大器自动增益补偿与线性控制方法及装置 |
KR101300324B1 (ko) * | 2011-11-22 | 2013-08-28 | 삼성전기주식회사 | 전력 증폭기 |
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2013
- 2013-12-30 CN CN201310746831.9A patent/CN104753477B/zh active Active
-
2014
- 2014-12-10 WO PCT/CN2014/093421 patent/WO2015101144A1/zh active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1665127A (zh) * | 2004-03-03 | 2005-09-07 | 恩益禧电子股份有限公司 | 可变电容电路以及包含该可变电容电路的集成电路 |
CN202652152U (zh) * | 2012-05-15 | 2013-01-02 | 无锡中科微电子工业技术研究院有限责任公司 | 一种输出功率可调节的射频功率放大器电路 |
Also Published As
Publication number | Publication date |
---|---|
WO2015101144A1 (zh) | 2015-07-09 |
CN104753477A (zh) | 2015-07-01 |
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Effective date of registration: 20191121 Address after: 518057 Guangdong Province, Nanshan District, Shenzhen City, Guangdong Province, Guangdong Province, Yuehai Street Science and Technology Park, Central District, Science and Technology Zhongsanlu People's Building B Building 3F 318 Patentee after: Shenzhen Fei Xiang Technology Co., Ltd. Address before: 518000 Shenzhen Software Park, Nanshan District hi tech Industrial Park, Guangdong, Shenzhen, 3, 301, 302 Patentee before: National Technology Co., Ltd. |
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Address after: 518057 1601, building 1, shuimuyifang building, No. 286, Nanguang Road, dawangshan community, Nantou street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Feiyu Technology Co.,Ltd. Address before: 518057 318, 3F, building B, Guoren building, kejizhong Third Road, Science Park, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: LANSUS TECHNOLOGIES Inc. |
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