----- Original Message -----
From: Phil Clements <philk5pc@tyler.net>
To: Dennis Watkins <andromeda@seanet.com>; <AMPS@contesting.com>
Sent: 11 October 2002 18:36
Subject: Re: [Amps] gg input
>
>
> > Hi Guys:
> > If the output "Q" on our tank circuit is
> > ok to be 12 to 15, why can't the input
> > be the same???
> >
> > Dennis W7JX
>
> If the input Q is too high (over 2 or so) you cannot cover the entire
> band with fixed components.
In solid state amps it's seen as good practice to have a narrower bandwidth
on the input than the output - avoids driving the amp where the device
doesn't have a decent load, and saves expensive transistors. The impedances
in gg tube amps make that difficult but the principle is valid.
Steve
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