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A fast-lock synchronous multi-phase clock generator based on a time-to-digital converter | IEEE Conference Publication | IEEE Xplore

A fast-lock synchronous multi-phase clock generator based on a time-to-digital converter


Abstract:

An all-digital fast-lock synchronous multi-phase clock generator is presented. By using a time-to-digital converter for fast-lock operation and delay measurement, the pro...Show More

Abstract:

An all-digital fast-lock synchronous multi-phase clock generator is presented. By using a time-to-digital converter for fast-lock operation and delay measurement, the proposed multi-phase clock generator generates four-phase clocks and synchronizes the reference clock with the output clock within 45 cycles. Furthermore, the clock generator uses a fine binary scheme and de-skewing circuit for fine delay measurement and compensation. The proposed clock generator was designed in a 0.18 mum CMOS technology. It operates over a wide frequency range from 400 MHz to 1.22 GHz and consumes 34 mW at 1.22 GHz.
Date of Conference: 24-27 May 2009
Date Added to IEEE Xplore: 26 June 2009
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Conference Location: Taipei, Taiwan

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