2011 SuperDARN Workshop
ABSTRACTS
A DDS-based Phasing and Pulse Unit for SuperDARN
D. Andre, J. Wiid and K. McWilliams
ISAS, University of Saskatchewan
abstract. We have developed a direct-digital-synthesis and micro controller based phasing and pulse unit, that generates the pulsed transmit signals and the constant wave receive signals with the correct phases; necessary to operate the steerable beam of a SuperDARN radar. It replaces timing computer, interface box and phasing matrix. The first of these systems has been in operation at Inuvik since December 2010, the other three Canadian radars will be upgraded during 2011.