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Design and implementation of a MEMS Cockcroft-Walton voltage multiplier

Li, L. and Uttamchandani, D.G. (2009) Design and implementation of a MEMS Cockcroft-Walton voltage multiplier. Electronics Letters, 45 (1). pp. 36-37. ISSN 0013-5194

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Abstract

A design modification to the Cockcroft-Walton (CW) voltage multiplier is reported for the purpose of miniaturisation using MEMS. The configuration comprises a cascade of CW voltage-doublers connected through their outputs and supply points (Vdd). Each voltage doubler is a two-stage CW multiplier that consists of four switches and three capacitors. The classical CW voltage multiplier has voltage amplification of Ns, where Ns ¼ 2Nd (Nd is the number of voltage doublers), while the modified design has an amplification of 2Nd. Using this configuration, a novel MEMS voltage doubler has been experimentally realised with micro-relays and capacitors. The MEMS relays and capacitors were fabricated using the MetalMUMPs MEMS process. Measurements on the MEMS voltage doubler have been conducted. A voltage output of 400 V has been demonstrated,and the risetime is measured to be around 260 ms.

Item type: Article
ID code: 12817
Keywords: amplification, capacitors, microrelays, voltage multipliers, Electrical engineering. Electronics Nuclear engineering, Electrical and Electronic Engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 05 Jul 2010 09:37
    Last modified: 04 Sep 2014 23:33
    URI: http://strathprints.strath.ac.uk/id/eprint/12817

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