CN101635697B - 一种发射机及发射机处理信号的方法 - Google Patents
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US9379667B2 (en) | 2011-05-05 | 2016-06-28 | Rf Micro Devices, Inc. | Multiple power supply input parallel amplifier based envelope tracking |
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US9197256B2 (en) | 2012-10-08 | 2015-11-24 | Rf Micro Devices, Inc. | Reducing effects of RF mixer-based artifact using pre-distortion of an envelope power supply signal |
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US9627975B2 (en) | 2012-11-16 | 2017-04-18 | Qorvo Us, Inc. | Modulated power supply system and method with automatic transition between buck and boost modes |
WO2014116933A2 (en) | 2013-01-24 | 2014-07-31 | Rf Micro Devices, Inc | Communications based adjustments of an envelope tracking power supply |
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US9479118B2 (en) | 2013-04-16 | 2016-10-25 | Rf Micro Devices, Inc. | Dual instantaneous envelope tracking |
US9374005B2 (en) | 2013-08-13 | 2016-06-21 | Rf Micro Devices, Inc. | Expanded range DC-DC converter |
US9614476B2 (en) | 2014-07-01 | 2017-04-04 | Qorvo Us, Inc. | Group delay calibration of RF envelope tracking |
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US9941844B2 (en) | 2015-07-01 | 2018-04-10 | Qorvo Us, Inc. | Dual-mode envelope tracking power converter circuitry |
US9912297B2 (en) | 2015-07-01 | 2018-03-06 | Qorvo Us, Inc. | Envelope tracking power converter circuitry |
CN107317592B (zh) * | 2016-04-26 | 2020-12-11 | 中兴通讯股份有限公司 | 一种发射机及其实现信号处理的方法 |
US9973147B2 (en) | 2016-05-10 | 2018-05-15 | Qorvo Us, Inc. | Envelope tracking power management circuit |
CN109428610B (zh) * | 2017-08-29 | 2020-10-16 | 华为技术有限公司 | 反馈电路单元、rof无线发射机及消除非线性失真的方法 |
US10476437B2 (en) | 2018-03-15 | 2019-11-12 | Qorvo Us, Inc. | Multimode voltage tracker circuit |
CN111901261B (zh) * | 2020-07-03 | 2022-04-05 | 锐迪科创微电子(北京)有限公司 | 幅度偏移的校准方法、设备以及存储介质 |
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CN101175061A (zh) * | 2007-11-30 | 2008-05-07 | 北京北方烽火科技有限公司 | 一种ofdm发射机的自适应数字预失真方法和装置 |
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CN1335699A (zh) * | 2000-07-20 | 2002-02-13 | 华为技术有限公司 | 一种宽带发射机的自适应数字预失真方法和装置 |
CN101175061A (zh) * | 2007-11-30 | 2008-05-07 | 北京北方烽火科技有限公司 | 一种ofdm发射机的自适应数字预失真方法和装置 |
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