In this work, we focus on the three most relevant pseudo-digital ring oscillator circuits for
VCO A/D conversion. First, we show that they can be accurately modeled by an equivalent 2 …

This article presents a microphone readout chip incorporating a voltage controlled oscillator
(VCO)-based ADC that can be directly connected to a capacitive micro electro mechanical …

The scaling of CMOS technology deep into the nanometer range has created challenges for
the design of highperformance analog ICs: they remain large in area and power …

This article describes a small footprint, low power gated voltage-controlled ring oscillator
(VCRO)-based Time-To-Digital converter (TDC) for Flash Light Detection and Ranging …

For the design of ring oscillator-based ADCs, little has been reported on how to optimally co-
design the readout scheme and the ring oscillator core towards optimal energy efficiency …

In this brief we propose a technique to compensate the distortion of an open-loop VCO-
based ADC. The VCO is linearized by placing an analog feedback loop based on a …

This paper proposes a new circuit-based approach to mitigate nonlinearity in open-loop ring-
oscillator-based analog-to-digital converters (ADCs). The approach consists of driving a …

In this work, we focus on the Power Supply Rejection and Common Mode Rejection
performance of inverter based ring oscillators intended for use in VCO ADCs. We show that …

In this work, a 3.5 GS/s voltage-controlled oscillator (VCO) analog-to-digital converter (ADC)
using multi-stage noise shaping (MASH) is presented. This 28nm CMOS ADC achieves …

This paper presents a VCO-based ADC design for use in flexible electronics, specifically
leveraging Low-Temperature Polysilicon Thin-Film Transistor (LTPS TFT) technology. The …