Saturday, 15 May 2010


I have been playing with PUFF for a couple
of days. I need to boost the output of the USRP2 to fully drive the
24 cms PA. I bought some FPD4000AF 4 GHz pHEMTs they are
4 watt devices and you can get them for about £1 each. Whether I
will be able to design a suitable amplifier only time will tell. At £1 a
pop it's worth a try. Will keep you posted.

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