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This paper designs a 10th order switched-capacitor (SC) band-pass filter and its 6th order active-RC low-pass smooth filter. The center frequency and -3dB pass bandwidth of the SC filter are respectively 50kHz and 10kHz. The filters are used in a low-frequency communication system. At low frequency, the MOSFETs have large flicker noise. This paper designs an optimized low noise full differential op...
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