CN102025667B - 消除直流偏差的电路及方法、射频接收芯片 - Google Patents
消除直流偏差的电路及方法、射频接收芯片 Download PDFInfo
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CN102025667B true CN102025667B (zh) | 2013-11-20 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102318300B (zh) * | 2011-07-22 | 2014-02-19 | 华为技术有限公司 | 直流补偿方法、直流补偿器和基带信号处理器 |
CN104601186B (zh) * | 2014-11-19 | 2017-05-17 | 深圳市中兴微电子技术有限公司 | 一种直流失配消除方法和装置 |
CN113721129B (zh) * | 2021-08-27 | 2023-11-17 | 厦门优迅高速芯片有限公司 | 光收发驱动芯片直流失调补偿电路的测试方法和相关设备 |
CN114978073A (zh) * | 2022-05-18 | 2022-08-30 | 深圳先进技术研究院 | 放大电路、检测芯片及可穿戴设备 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1571287A (zh) * | 2003-04-25 | 2005-01-26 | 株式会社东芝 | 无线接收机和无线信号处理方法 |
CN1764062A (zh) * | 2004-10-19 | 2006-04-26 | 联发科技股份有限公司 | 直流偏移校正装置 |
CN101038974A (zh) * | 2007-04-28 | 2007-09-19 | 清华大学 | 一种分区燃料电池 |
CN101494443A (zh) * | 2008-01-23 | 2009-07-29 | 财团法人工业技术研究院 | 直流偏移校正电路及方法 |
CN101604979A (zh) * | 2008-06-10 | 2009-12-16 | 联发科技股份有限公司 | 直接转换接收器以及直流偏移消除方法 |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1571287A (zh) * | 2003-04-25 | 2005-01-26 | 株式会社东芝 | 无线接收机和无线信号处理方法 |
CN1764062A (zh) * | 2004-10-19 | 2006-04-26 | 联发科技股份有限公司 | 直流偏移校正装置 |
CN101038974A (zh) * | 2007-04-28 | 2007-09-19 | 清华大学 | 一种分区燃料电池 |
CN101494443A (zh) * | 2008-01-23 | 2009-07-29 | 财团法人工业技术研究院 | 直流偏移校正电路及方法 |
CN101604979A (zh) * | 2008-06-10 | 2009-12-16 | 联发科技股份有限公司 | 直接转换接收器以及直流偏移消除方法 |
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Address after: 200120 Shanghai City, Pudong New Area Chinese (Shanghai) Free Trade Zone No. 103 Cailun Road, building 3 floor A room 1 Patentee after: SHANGHAI NATLINEAR ELECTRONICS CO., LTD. Address before: 201203 Shanghai Zhangjiang High Tech Park of Pudong New Area Songtao Road No. 489 building two floor C Patentee before: Shanghai Natlinear Electronics Co., Ltd. |
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Denomination of invention: Circuit and method for eliminating direct current offset and radio frequency receiving chip Effective date of registration: 20170825 Granted publication date: 20131120 Pledgee: Bank of Nanjing, Limited by Share Ltd, Shanghai branch Pledgor: SHANGHAI NATLINEAR ELECTRONICS CO., LTD. Registration number: 2017310000048 |
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Date of cancellation: 20191120 Granted publication date: 20131120 Pledgee: Bank of Nanjing, Limited by Share Ltd, Shanghai branch Pledgor: SHANGHAI NATLINEAR ELECTRONICS CO., LTD. Registration number: 2017310000048 |