A Precise 360°-Range Phase Detector Based on an N-path Filter

被引：0

作者：

Yazdi, Siavash ^{[1
]}

Green, Michael ^{[1
]}

机构：

[1] Univ Calif Irvine, Dept EECS, Irvine, CA 92697 USA

来源：

2016 14TH IEEE INTERNATIONAL NEW CIRCUITS AND SYSTEMS CONFERENCE (NEWCAS) | 2016年

关键词：

phase detector; near-infrared spectroscopy; N-path filter;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A technique for using an N-path filter to precisely measure the phase difference between a pair of periodic signals with the same frequency is presented. It is shown that using the N-path filter and a variable delay cell within a feedback circuit allows for accurate measurement of the phase difference for a two-decade range of amplitude of one of the signals. Simulations demonstrate sub-1 degrees phase resolution for 100 MHz input signals with amplitudes as low as 10 mV. The circuit dissipates 12.6 mW from a 1.8 V supply.

引用

页数：4

共 4 条

[1] Tunable High-Q N-Path Band-Pass Filters: Modeling and Verification [J].