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Voltage amplification in switched-capacitor networks

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1 Author(s)
Cederbaum, I. ; Technion - Israel Institute of Technology, Faculty of Electrical Engineering, Haifa, Israel

The letter deals with the voltage amplification property of networks containing only capacitors and switches. It is shown that with any given n capacitors a circuit comprising a finite number of switches may be realised for which a voltage amplification close to 2n is achievable. If there is freedom in choosing the capacitors, then a switching circuit may be designed for which voltage amplification close to 22n¿2+2n¿1 is achievable. It is conjectured that this number presents the upper bound of voltage amplification achievable by means of an SC circuit with n capacitors.

Published in:

Electronics Letters  (Volume:17 ,  Issue: 5 )