A Highly Linear OTA-Less 1-1 MASH VCO-Based ADC With an Efficient Phase Quantization Noise Extraction Technique

H Maghami, P Payandehnia, H Mirzaie… - IEEE Journal of Solid …, 2019 - ieeexplore.ieee.org
In this article, an efficient technique is introduced to extract the quantization noise of a multi-
phase voltage-controlled oscillator (VCO)-based quantizer (VCOQ) in the time domain as a …

High‐linearity SAR‐VCO MASH ΔΣ ADC with second‐order noise shaping

P Payandehnia, H Maghami, H Mirzaie… - Electronics …, 2018 - Wiley Online Library
A novel 0‐2 Multi‐Stage Noise Shaping (MASH) analogue‐to‐digital converter (ADC) is
proposed. The first stage is implemented using a 4‐bit SAR ADC. The second stage uses a …

Design of 1-1-1 Cascaded Discrete-Time Delta-Sigma Modulator based on Tracking Quantizer

M Ghaemmaghami, S Reyhani - 2023 5th Iranian International …, 2023 - ieeexplore.ieee.org
In this article, a multi-bit discrete-time delta-sigma modulator based on tracking quantizer for
use in telecommunication applications is presented. The proposed 4bit quantizer uses a …

An Amplifier-Free 0–2 SAR-VCO MASH ΔΣ ADC

P Payandehnia, H Maghami, H Mirzaie… - … on Circuits and …, 2019 - ieeexplore.ieee.org
A 0-2 Multi Stage Noise Shaping (MASH) analog-to-digital converter (ADC) is proposed. A
SAR ADC and a VCO-based quantizer (VCOQ) are used in the first stage and second …

[PDF][PDF] A STUDY OF QUANTIZATION NOISE EFFECT IN A DELTA-SIGMA ANALOG TO DIGITAL CONVERTER

A RAKIPI, A BIBERAJ, I ENESI - akad.gov.al
Digital technology increasingly pervades daily life, and the use of innovative techniques in
analog-to-digital converter (ADC) schemes has become particularly important. Nowadays …

Power Efficient Architectures for Low Noise Switched-Capacitor Filters and High Accuracy Analog-to-Digital Converters

P Payandehnia - 2018 - ir.library.oregonstate.edu
Integrated filters are essential components in various applications such as channel select
filtering in radio frequency receivers [15, 3], anti-alias filtering before sampling [16, 6] …