[TenTec] paralleling power supplies to run Herc II

Jim Brown k9yc at audiosystemsgroup.com
Tue Jun 21 08:40:19 PDT 2011


On 6/21/2011 7:09 AM, Carl Winkles wrote:
> I have used one of those capacitors for Field Day using a 100 watt rig and a battery with a battery booster. It seems to work although I don't know how to test it

The battery makes the capacitor un-necessary as long as the leads 
between the battery and the rig are short and fat  -- the battery itself 
acts as a big capacitor. The capacitor could improve things ONLY if it 
were connected with near zero-length leads to the DC terminals of the 
rig, and even then the benefit would be QUITE minimal.

Ohm's Law is a wonderful thing -- big, short copper is your friend, and 
a LOT cheaper than exotic capacitors.

73, Jim K9YC


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