Hello,

You may be interest by this project from Tipok: http://tipok.org.ua/node/41

It's a simplified and low cost SDR transmission interface using an FX2 USB controller and an AD9957 modulator/DAC.

Here he's using it to create a DAB digital radio transmission using CRC mmbtools DAB multiplexer/modulator.

Mathias

opendigitalradio.org