oversampling ADC

An OTA-Less Second-Order VCO-Based CT ΔΣ Modulator Using an Inherent Passive Integrator and Capacitive Feedback

JSSC, 2020

A 13-ENOB Second-Order Noise-Shaping SAR ADC Realizing Optimized NTF Zeros Using the Error-Feedback Structure

JSSC, 2018