> That's because it was primarily designed to interface with the
> Hardrock-50 amplifier PCB which already has a regulated 5V source
> which is switched on during TX. You can deadbug a 5V Zener and a
> dropping resistor but remember that the bias should be switched on
> only during TX. The recommended bias point is 500ma (we're running
> class A here) so it's chewing up 6W just sitting there.
> For the next run I'm modifying the driver so it can be populated
> with a bypass relay and 2 toroids and 3 thru-hole caps. I'll include
> on board bias as well. The some parts will have to be added since
> we'll only kit up the parts needed to put the driver in the Hardrock-50.
> Builders will easily be able to use the updated driver as a stand
> alone single board 10W PA for the Softrock. Depending on how much
> bigger the board gets we probably won't have to raise the price too much for the new features.
> I also have to design the filters for the various bands but I'll post them on the Wiki when I do.
> Jim WA2EUJ
Hi Jim, I bought the first 5W driver kit off you a while ago, but
have not had time to build it up yet. Will it be possible to buy just
the later board you speak of above and just add the extra components
myself? Is there any estimate of when this might be available? Thanks.
Chris Wilson. 2E0ILY