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A New State Space Representation Method for Adaptive Log Domain Systems

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2 Author(s)
Arslanalp, R. ; Dept. of Electr. & Electron. Eng., Pamukkale Univ. ; Tola, A.T.

In this paper, a new method for the state space representation of a system is proposed, which is based on the companion form technique. It is very important to have almost equal coefficients of state space equations since their coefficients are proportional to devices' currents or voltages, e.g. transistors' currents for log domain filters. The method gives us the opportunity to choose two arbitrary parameters (alpha, beta) to be able to obtain more balanced state space equations. This method is applied a log domain filter, which can be considered an adaptive filter since it can be electronically tuned. It is particularly useful for higher order log domain filters synthesized in the state space

Published in:

Adaptive Hardware and Systems, 2006. AHS 2006. First NASA/ESA Conference on

Date of Conference:

15-18 June 2006