کنفرانس بین المللی میکروالکترونیک ایران

صفحه اصلی / پنجمین کنفرانس بین المللی میکروالکترونیک ایران

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

نویسندگان :

Mohsen Ghaemmaghami¹ Shahbaz Reyhani²

1- دانشگاه گیلان 2- دانشگاه گیلان

کلمات کلیدی :

Analog to digital converter،Digital to analog converter،Cascaded discrete-time delta-sigma modulator،Tracking quantizer

چکیده :

In this article, a multi-bit discrete-time delta-sigma modulator based on tracking quantizer for use in telecommunication applications is presented. The proposed 4-bit quantizer uses a comparator, an internal digital-to-analog converter (DAC) and a digital control circuit to predict the integrator output within one clock pulse. In addition, the use of one comparator in the proposed quantizer reduces the power and area consumption of the proposed modulator. In order to study the performance of the proposed method, a 1-1-1 cascaded multi-bit discrete-time delta-sigma with 4-bit proposed quantizer is designed and simulated at the transistor level in 180 nm CMOS technology. The simulation results show a signal-to-noise and distortion ratio (SNDR) of 72.9 dB in a bandwidth of 500 kHz. The oversampling ratio (OSR), power supply voltage and power consumption of the proposed modulator are 32, 1.8 V and 3.3 mW, respectively. In this design, the figure of merits (FoMs) are equal to 0.91 pJ/conv-step and 154.30 dB.

لیست مقالات

لیست مقالات بایگانی شده

Thorough Analysis of mm-Wave Broadband Planar and Vertical Transitions for Loss Reduction of Interconnects in Multilayer PCBs

Pouay Namaki - Nasser Masoumi - Mohammad-Reza Nezhad-Ahmadi

Passive Component Area Optimization of Fully Integrated Hybrid Switched Capacitor Converter

Hossein Bemanalizadeh - Nasrin Rezaei-Hosseinabadi - S.Ali Khajehoddin

مراحل طراحی سیستماتیک یک Continuous Time Pipelined ADC

هادی نبی زاده - مرتضی موسی زاده

Base Transit Time Investigation of InP/InGaAs HBT Optoelectronic Mixer Using Different Base Doping Profiles

Hassan Kaatuzian - Mehrdad Ghasemi - Mahdi NoroozOliaei

An Integrated Wearable Bio-Impedance Spectroscopy System for Remote Monitoring Heart Failure in 65nm CMOS Technology

Arman Ghouchani - Mohammad Sharifkhani

Efficiency enhancement of tin-based perovskite solar cell with carbon back-contact using cubic and pyramid metallic nano-particles: numerical investigation

Amir Hossein Mohammadian Fard - Samiye Matloub

طراحی شمارنده بالا پایین شمار سنکرون 8 بیتی بسیار سریع مبتنی بر شمارش در دولبه پالس ساعت با استفاده از ترانزیستورهای نانو لوله کربنی32 نانومتر

جواد جاویدان

‌طراحی و شبیه‌سازی شمارنده بالا و پایین شمار چهارسطحی با استفاده از تکنولوژی 32nm-CNTFET

جواد جاویدان

A Low-Noise Amplifier with Bandwidth Extension and Noise Cancellation for 5G Receivers

Pardis Javanbakht - Mortaza Mojarad

A Low-Power Fully Differential LC Oscillator with Phase Noise Reduction for LTE Applications

Yeganeh Moradzadeh Rezaei - SIROUS TOOFAN - Jafar Sobhi

بیشتر

ثمین همایش، سامانه مدیریت کنفرانس ها و جشنواره ها - نگارش 42.6.0