Hi All, I'm currently working on a SDR receiver for amateur radio astronomy use as my capstone class for my undergraduate engineering degree. Flexibily and "hackabilty" are two major considerations we have been putting into the design. We are currently considering the following setup:
Antenna > RF Front End > LTC2206 - 16-Bit, 80Msps ADC > DSP or FPGA > USB 2.0 via Cypress FX2 > GNU Radio This setup will allow us to capture up (theortically) 40MHz. Right now my biggest concern is in the downconversion on the reciever. We are looking at either using an FPGA or (preferably) a DSP to do the downconversion and decimation. While I know it can be done in an FPGA, I was wondering if anyone has any experience doing this in a DSP? Specifically i'm looking at the Blackfin lineup from Analog Devices. Thanks, -Phil
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