American Journal of Electrical and Electronic Engineering
ISSN (Print): 2328-7365 ISSN (Online): 2328-7357 Website: http://www.sciepub.com/journal/ajeee Editor-in-chief: Naima kaabouch
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American Journal of Electrical and Electronic Engineering. 2013, 1(2), 19-22
DOI: 10.12691/ajeee-1-2-1
Open AccessArticle

A High Resolution First Order Noise-Shaping Vernier Time-to-Digital Converter

Majid Memarian Sorkhabi1, and Siroos Toofan1

1Department of Electric Engineering Zanjan University, Iran

Pub. Date: April 20, 2013

Cite this paper:
Majid Memarian Sorkhabi and Siroos Toofan. A High Resolution First Order Noise-Shaping Vernier Time-to-Digital Converter. American Journal of Electrical and Electronic Engineering. 2013; 1(2):19-22. doi: 10.12691/ajeee-1-2-1

Abstract

In this paper, we propose a noise reduction method for a Vernier Time-to-Digital Converter (VTDC) using a first-order noise shaping structure and a gated ring oscillator (GRO). An 11bit VTDC with 4 p s effective resolution was designed and developed for a high performance All Digital Frequency Synthesizer (ADFS). The VTDC realized in 180nm CMOS, its power consumption depending on the time difference between input edges; 1 to 11mA from a 1.5 V supply.

Keywords:
vernier time-to-digital-converter noise shaping ring oscillator

Creative CommonsThis work is licensed under a Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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