On Wed, 28 Nov 2001 12:38:16 -0500 "jstrohm@texas.net"
<jstrohm@texas.net> writes:
>
> What determines the capacitance value for a plate-blocking
> capacitor? By this I mean the capacitor (usually a doorknob cap)
> between the plate choke and anode connection, and the start of the
> tank circuit / pi network.
>
> Jim N6OTQ
>
Hi Jim,
I think you'll find that if you do all the math that, for a typical
loaded Q of 10-12 in the Pi-net, the coupling cap value should be 4X the
value of the plate capacitor at the lowest frequency of operation.
Of course, what's right there in the junkbox may take priority. :-)
73,
Marv WC6W
*
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