ADC With VCO-Based Integrator

A 78 dB SNDR 87 mW 20 MHz Bandwidth Continuous-Time $ DeltaSigma $ ADC With VCO-Based Integrator and Quantizer Implemented in 0.13$ mu $ m CMOS

FREE-DOWNLOAD [PDF] M Park… – Solid-State Circuits, research Journal of, 2009
Abstract—The use of a VCO-based integrator and quantizer within a continuous-time (CT) 16
analog-to-digital converter (ADC) structure is explored, and a custom prototype in a 0.13 m CMOS
with a measured performance of 81.2/78.1 dB SNR/SNDR over a 20 MHz bandwidth