CN106026956B - 一种用于高增益放大电路的直流失调校准方法及电路 - Google Patents
一种用于高增益放大电路的直流失调校准方法及电路 Download PDFInfo
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- CN106026956B CN106026956B CN201610292853.6A CN201610292853A CN106026956B CN 106026956 B CN106026956 B CN 106026956B CN 201610292853 A CN201610292853 A CN 201610292853A CN 106026956 B CN106026956 B CN 106026956B
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000005611 electricity Effects 0.000 claims description 4
- 238000000205 computational method Methods 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 2
- 235000013399 edible fruits Nutrition 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 claims 1
- 230000009466 transformation Effects 0.000 claims 1
- 238000004422 calculation algorithm Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
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Classifications
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- 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
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- Analogue/Digital Conversion (AREA)
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CN108449076B (zh) * | 2018-01-30 | 2021-11-09 | 深圳华大北斗科技有限公司 | 动态比较器、模数转换器、模数转换系统以及校准方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103607209A (zh) * | 2013-11-11 | 2014-02-26 | 清华大学 | 直流失调校准系统及直流失调校准方法 |
CN103684330A (zh) * | 2012-09-18 | 2014-03-26 | 北京中电华大电子设计有限责任公司 | 一种可同时用于无线接收机和发射机的中频滤波器 |
CN103905041A (zh) * | 2012-12-25 | 2014-07-02 | 北京中电华大电子设计有限责任公司 | 一种用于流水线模数转换器的直流失调校准方法及电路 |
CN104283558A (zh) * | 2013-07-08 | 2015-01-14 | 清华大学 | 高速比较器直流失调数字辅助自校准系统及控制方法 |
CN104734645A (zh) * | 2015-03-02 | 2015-06-24 | 东南大学 | 一种采用电流dac消除可变增益放大器电路直流失调的方法 |
Family Cites Families (3)
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TWI261444B (en) * | 2004-10-08 | 2006-09-01 | Mediatek Inc | DC offset calibration apparatus |
US7499687B2 (en) * | 2004-11-09 | 2009-03-03 | Theta Microelectronics, Inc. | Wireless transmitter DC offset recalibration |
US8829989B2 (en) * | 2012-12-20 | 2014-09-09 | Hong Kong Applied Science and Technology Research Institute Company Limited | DC offset cancellation for a multi-stage amplifier |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103684330A (zh) * | 2012-09-18 | 2014-03-26 | 北京中电华大电子设计有限责任公司 | 一种可同时用于无线接收机和发射机的中频滤波器 |
CN103905041A (zh) * | 2012-12-25 | 2014-07-02 | 北京中电华大电子设计有限责任公司 | 一种用于流水线模数转换器的直流失调校准方法及电路 |
CN104283558A (zh) * | 2013-07-08 | 2015-01-14 | 清华大学 | 高速比较器直流失调数字辅助自校准系统及控制方法 |
CN103607209A (zh) * | 2013-11-11 | 2014-02-26 | 清华大学 | 直流失调校准系统及直流失调校准方法 |
CN104734645A (zh) * | 2015-03-02 | 2015-06-24 | 东南大学 | 一种采用电流dac消除可变增益放大器电路直流失调的方法 |
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