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Fourier Transforms in VLSI

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1 Author(s)
Thompson, C.D. ; Division of Computer Science, University of California

This paper surveys nine designs for VLSI circuits that compute N-element Fourier transforms. The largest of the designs requires O(N2 log N) units of silicon area; it can start a new Fourier transform every O(log N) time units. The smallest designs have about 1/Nth of this throughput, but they require only 1/Nth as much area.

Published in:

Computers, IEEE Transactions on  (Volume:C-32 ,  Issue: 11 )