The whole AFE circuit includes a bias circuit, a clock generator, a chopper stabilization amplifier, a post-amplifier, and a second-order continues-time low-pass filter.

• 本文所提整体类比前端电路包含偏压电路、时脉产生器、截波稳定型放大器、后置放大器、和二阶连续时间低通滤波器。