----- Original Message -----
From: "Ed" <edw3nr@nexband.com>
To: "Amps" <amps@contesting.com>
Sent: Sunday, March 09, 2003 5:51 PM
Subject: [Amps] Tuned Input
> I want to make sure I am right here. Tune the input for best SWR and
maximum
> Grid current or ????????? ...........73
Best SWR.
The input should be a low-pass CLC Pi-network, or have other shunt C at the
output that provides a very low impedance at the harmonics of the drive
frequency to the tube cathode. Otherwise, IM products can be increased and
efficiency decreased.
73 Tom
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