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A 0.5-V, 0.05-to-3.2 GHz LC-Based Clock Generator for Substituting Ring Oscillators under Low-Voltage Condition
Wei DENG Kenichi OKADA Akira MATSUZAWA
IEICE TRANSACTIONS on Electronics
Publication Date: 2012/07/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Electronic Circuits
0.5-V, clock generator, frequency extension, low-jitter, LC-VCO,
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This paper investigates a clock frequency generator for ultra-low-voltage sub-picosecond-jitter clock generation in future 0.5-V LSI and power aware LSI. To address the potential possible solution for ultra-low-voltage applications, a 0.5 V clock frequency generator is proposed and implemented. Significant performances, in terms of sub 1-ps jitter, 50 MHz-to-6.4 GHz frequency tuning range with 2 bands and sub 1-mW PDC, demonstrated the viable replacement of ring oscillators in low-voltage and low-jitter clock generator.