baohulu
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Posts: 43
china
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hi, tupi I think you choose the "forward Euler" structure, you may need to feedback you 2nd ota output to both inputs of 1st ota and 2nd ota at phase1 to sample and phase2 to integrate
there is a paper may can help you "Switched-Capacitor Bandpass Delta-Sigma A/D Modulation at 10.7 MHz" JSSC, 1995, March
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