[Amps] Input impedance question

[Jeff Blaine]

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 at msn.com>
Sent: Tuesday, July 27, 2010 12:29 PM
To: <amps at 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?
>
> ......................................................................................................
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>    Leave not a rack behind. We are such stuff
>    As dreams are made on, and our little life
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>
>
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