The following abstracts will be presented at the 2012 SARA Annual Conference in Green Bank, West Virginia June 24 to 27.
RASDR Development Status
Bogdan Vacaliuc, David Fields, Paul Oxley, Marcus Leech, and Stan Kurtz
Abstract
SARA members are working on designs for a Software Defined Radio (SDR) that is optimized for Radio Astronomy. The resulting receiver design, RASDR, has the potential to be a common digital receiver interface useful to many SARA members. A benchtop version of RASDR has been completed. This “Phase 0” RASDR provides digitized radio data to a backend computer through a USB 2.0 interface. One component of RASDR is the Lime Microsystems Femtocell chip which tunes from a 0.4-4 GHz center frequency with several selectable bandwidths from 0.75 MHz to 14