Module-3b: Offset and Flicker Mitigation 01 August 2018 14:29 - PDF document

Module-3b: Offset and Flicker Mitigation 01 August 2018 14:29 Modules Page 1

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If Y(f) is filtered, we get rid of flicker noise. Modules Page 4

Module-3c: Chopping Non-Idealities 06 September 2018 16:45 Open Questions How is chopping different from phase-sensitive detection • How to implement the chopper? • What happens to in-band thermal noise floor? • How to pick chopping frequency? • Non-idealities • Finite amplifier bandwidth and delay ○ Clock not 50% duty cycle ○ Switch non-idealities ○ Modules Page 1

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Fchop Fchop2 BW_signal < 0.5*F_chop2 << Fchop Modules Page 6