At VHF the circuit is not really a T... Just look at the grid to cathode
capacitance and it really comes out to be
a L-PI circuit...
73
Bill wa4lav
At 10:21 AM 5/6/2003 -0500, Phil Clements wrote:
>.
> > >If the output component of the filter connected to the cathode is an
> > >inductor (Inductor output L or T or Pi-L) it will try to maintain a
> > >constant sinusoidal RF current thru the RF cycle. This will make the IMD
> > >even worse.
>
>W8JI has always preached against "T" networks in input circuits, but I notice
>many popular 6 meter amp projects feature one. Has anyone made any IMD
>comparisons between Pi and T input networks? Is there really a big difference?
>
>(((73)))
>Phil, K5PC
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