[AMPS] 4-1000A Project

DF3KV@aol.com DF3KV@aol.com
Tue, 3 Apr 2001 15:13:37 EDT



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Wynand,

Considering efficieny being around 65% in class B  the amp probably
takes 12 A at 240V mains  through that VARIAC.
I would not worry  on sideband with about 30% dutycycle.
Peak-current will be not more then 13 A.

On RTTY or high-speed CW you might need to cool the VARIAC .

73

Peter

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<HTML><FONT FACE=arial,helvetica><FONT  SIZE=2>Wynand,
<BR>
<BR>Considering efficieny being around 65% in class B &nbsp;the amp probably
<BR>takes 12 A at 240V mains &nbsp;through that VARIAC.
<BR>I would not worry &nbsp;on sideband with about 30% dutycycle.
<BR>Peak-current will be not more then 13 A.
<BR>
<BR>On RTTY or high-speed CW you might need to cool the VARIAC .
<BR>
<BR>73
<BR>
<BR>Peter</FONT></HTML>

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