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A Multiphase Generator Based on VCDR (Voltage-Controlled Variable Delay Ring)

Minseok WOO, Byoungkwon MOON, Daejeong KIM

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Summary :

A new delay-locked loop (DLL)-based multiphase generator is presented. To achieve an arbitrary integer multiplication factor, a voltage-controlled variable delay ring (VCDR) is adopted, and a new "generate and reset" (GNR) cell is developed. The whole circuit of the closed loop was designed and characterized in a 1.2-V 0.13-µm CMOS process. The simulated results show that the loop operates from 1.0 MHz to 1.2 GHz under the supply voltage of 1.2 V, and the GNR cell exhibits low supply sensitivity of 1300-ps/V.

Publication
IEICE TRANSACTIONS on Electronics Vol.E92-C No.10 pp.1315-1318
Publication Date
2009/10/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E92.C.1315
Type of Manuscript
BRIEF PAPER
Category
Integrated Electronics

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