[Amps] Tuned Input

[Tom Rauch]

----- Original Message -----
From: "Ed" <edw3nr at nexband.com>
To: "Amps" <amps at 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