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Integrated Ferroelectrics
An International Journal
Volume 125, 2011 - Issue 1
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Original Articles

Spread Spectrum Clock Generation Using Ferroelectric Capacitors

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Pages 36-43 | Received 03 Jun 2010, Accepted 07 Nov 2010, Published online: 27 Jun 2011
 

Abstract

In this paper, a spread spectrum clock generator (SSCG) has been implemented with tunable ferroelectric capacitor based voltage controlled oscillator (VCO). Simple sinusoidal waveform modulation results in a uniform spread in the energy with respect to the central frequency of the oscillator. The performance of this SSCG is compared with the SSCG implemented using conventional p-n varactor tuned VCO.

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