Affiliation: | (1) Zarlink Semiconductor, Cheney Manor, Swindon, Wiltshire, SN2 2QW, UK;(2) Philips Semiconductors, 2nd Avenue, Millbrook Ind. Est, Southampton, Hampshire, SO15 0DJ, UK;(3) Department of Engineering, University of Hull, Cottingham Road, Hull, HU6 7RX, UK;(4) School of Electronics & Computer Science, University of Southampton, Highfield, Southampton, SO17 1BJ, UK |