Dave,
Ballpark is right. You will have to hand tune it once the thing is together
and running at power. The 3x will run somewere in the 20-40 ohms range but
in the GG, there is a tremendous dependence on the output tune on the
input.
73/jeff/ac0c
www.ac0c.com
--------------------------------------------------
From: "Dave M" <slash_dot@msn.com>
Sent: Tuesday, July 27, 2010 12:29 PM
To: <amps@contesting.com>
Subject: [Amps] Input impedance question
>
>
> I am slowly putting together the parts for a 3 hole GI7BT amp ,GG and
> tuned pi network input , I have the PS and most of the RF deck parts
> acquired and am ready to design the tuned input , can anyone "ballpark"
> what I can expect to see at input?
>
> ......................................................................................................
> And, like this insubstantial pageant faded,
> Leave not a rack behind. We are such stuff
> As dreams are made on, and our little life
> Is rounded with a sleep.
>
>
> Shakespeare : The Tempest
> Prospero to Ferdinand Act IV scene 1
>
>
>
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