Why not use the GNU radio and USRP?
http://www.gnu.org/software/gnuradio/

All the tools are free, the usrp is only about $500, and it has two transmit
and two receive.

-Clark

<[email protected]> wrote in message
news:[email protected] oups.com...
> Hello everyone.
>
> We are a senior design group from Oregon State University.
> Our webpage is:
> http://classes.engr.oregonstate.edu/...441/groups/g1/
> (soon to be updated with Part Numbers and source code)
>
> We've nearly ordered all of our parts: Spartan 3 (demo board), RF
> Oscillator, High Signal Level Upconverting Mixer, I/Q Modulator,
> Amplifier, Voltage Regulators, DACs, and Transmitters.
>
> Our goal is to transmit signals using either 16QAM or BPSK Modulation.
>
> Our plan is to
> * model functions using vhdl
> * build a prototype circuit
> * synthesize our code onto fpga
> * analyze results using various scopes
>
> Currently working on a more accurate block diagram showing component
> connection. feel free to respond with questions/comments/concerns.
>