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C. Hesu, Techniques for High Performance Digital Frequency Synthesis and Phase Control, MIT, Ph.D. thesis, 2008, 61-87.

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Article

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

1Department of Electric Engineering Zanjan University, Iran


American Journal of Electrical and Electronic Engineering. 2013, Vol. 1 No. 2, 19-22
DOI: 10.12691/ajeee-1-2-1
Copyright © 2013 Science and Education Publishing

Cite this paper:
Majid Memarian Sorkhabi, 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.

Correspondence to: Majid Memarian Sorkhabi, Department of Electric Engineering Zanjan University, Iran. Email: Memarian@znu.ac.ir

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.

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