On Friday 22 April 2005 16:16, Joe Subich, K4IK wrote:
> It looks like Advanced Power Technology has some 300 volt VDMOS
> FETs that do 750 watts in modes A-E (ARF1505). A push-pull
> pair of them would be very close to legal limit (US) from one
> module. Two of those modules could be run at 75% ratings with
> splitter/combiner or in push-pull to generate a conservatively
> rated legal limit device. Of course with 17 dB gain, an ARF1505
> amplifier would require a drive stage (or the 400 watt FT-9000
> <G>).
>
> Anyone know what the devices cost?
If it's any help, ARF444/445 (300V,300W each) are about $55ea. in the Farnell
catalogue in the UK - you should find them at Newark in the US. Double the
power usually costs more than double the price for RF semiconductors.
Steve
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