[Elecraft] DL1 20W Dummy Load

[Robert Friess]

The correct formula which accounts for both the center tap detector and the 
diode drop appears in the DL1 manual.

73,
Bob, N6CM


----- Original Message ----- 
From: "Bruce Bowman" <bruce at rabbit-rabbit.org>
To: "Elecraft Mail List" <elecraft at mailman.qth.net>
Sent: Saturday, May 14, 2005 1:02 AM
Subject: [Elecraft] DL1 20W Dummy Load


>I was doing a calibration of a KAT2 I just built and had a significant 
>error to adjust for Forward power (displayed power was ~30% of measured). 
>When I looked closely at the DL1 I noticed the trace to the detector comes 
>from the center of the 50 ohm load. That means the detected voltage is 
>across 1/2 the load (25 ohms) and changes the power calc to V^2/25 = P vs. 
>of V^2/50 = P. Can someone confirm this?
>
> Thanks...
>
> Bruce Bowman NM5B
> Sasnta Fe, NM
>
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