[Elecraft] KPA100 Page 44 Resistance Measurements

Don Wilhelm w3fpr at embarqmail.com
Sun Jan 9 16:39:21 EST 2011


  Bruce,

Yes. those points are all connected together by low value resistors or 
transformer windings.

73,
Don W3FPR

On 1/9/2011 4:15 PM, K1FFX wrote:
> The instructions with the resistance check chart on page 44 of the Rev G
> KPA100 manual are very explicit about the measurement on J3, namely that the
> electrolytic capacitor in the 12V line causes this measurement to appear as
> a short initially, and then slowly go up to a resistance value within range.
>
> I am seeing exactly the same behavior on the Q1 and Q2's collectors and
> D13's cathode, starts at 0 ohms and ramps up to an in-range value in a
> number of seconds.  Since the instructions were so explicit about J3 and
> didn't mention these other measurements, I'd like to make sure that this
> behavior is OK.
>
> Thanks -
>
> Bruce
>


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