Thesis or Dissertation ノイズシェーピング構成とミスマッチシェーパーを用いたバックグラウンドキャリブレーション型パイプラインADC

黄, 弋

pp.1 - 48 , 2016-03-24 , 法政大学
This paper we propose a background calibration technique for a pipeline ADC,which uses an error feedback to realize a band-pass noise shaping and a correlation operation to detect mismatches with a noise shaping dynamic element matching method to realize a high pass mismatch shaping. The detection accuracy and speed can be mproved. At the same time, it is possible to realize the conversion as a noise shaping type pipelined ADC. When the proposed method is applied to a 12-bit pipelined ADC, the simulation results revealed improvements of 38dB in the SNDR. Key Words: pipelined Analog to Digital Converter, capacitor mismatch, background digital calibration, Noise Shaping Dynamic Element Matching

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