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[Amps] Amp Design Question...

To: <amps@contesting.com>
Subject: [Amps] Amp Design Question...
From: "KB0NLY" <kb0nly@mchsi.com>
Date: Fri, 13 Feb 2009 23:22:34 -0600
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Looking around the web tonight for 6m amp designs using the GI-7B and i came 
across this schematic...

http://yu1aw.ba-karlsruhe.de/shema%201xGI7B%202m&6mmod.gif

I understand the schematic except for one thing..  At the top middle where the 
connection for +Va is shown it comes down to a second connection point and then 
it shows a ground to the left and a connection to what appears to be a large 
cap to the right, i assume its a capacitor as that makes the most sense but 
these foreign guys use different symbols for stuff sometimes.  Why is that 
second connection point with the (o) and a ground connection to each side 
there?  Seems to be a dead short for the HV.

He also doesn't mention what the value of this capacitor labeled as Ca should 
be.  I know, this could be a stupid NOOBIE question but these foreign designs 
are always so sparse on the information and there is hardly any explanation, 
etc..

I like his design overall though, looks fairly simple, thinking i could do my 
SB-200 conversion so its a 6m/2m amp in one.  If anyone has built one of these 
please pass along any info you have!  A picture says ten thousand words for me.

73,

Scott

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