>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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