What about BasicTX, which does 1-250MHz? Dimitris Symeonidis "If you think you're too small to make a difference, try sleeping with a mosquito!" - Amnesty International
On Thu, Nov 27, 2008 at 15:22, Ed Criscuolo <[EMAIL PROTECTED]> wrote: > The project I'm working on (an SDR for a spacecraft > communication groundstation) needs to transmit VHF at > around 145 MHz. There seems to be a distinct "gap" > in the transmit capabilities of the USRP daughterboards > between 32 MHz and 400 MHz. > > I'm looking for suggestions as to how to best accomplish > this. My initial thought was to output at 10 MHz using > an LFTX board, and upconvert to 145 MHz with an external > mixer, LO, and filter. This seems straightforward, but > would be a custom implementation, and my project wants > to stay with commercial-off-the-shelf if possible. > > Another suggestion was to skip the modulation (GMSK) and > output the baseband signal with an LFTX. This could then > be fed into a commercial off-the-shelf VHF FM transmitter. > > I was also wondering if it would be possible to modify > an RFX-400 daughterboard to go down that low (Matt?). > > Anyway, I was hoping to hear what people thought of these > suggestions, and any others they might have. > > @(^.^)@ Ed > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
