[Elecraft] K2 voltage drop across D10 and F1

[Don Wilhelm]

Dan and all,

Dan, you are correct, the total resistance must be considered - and the IR
drop across many connectors can really add up.  Use good quality connectors
(The Elecraft one is good) and large wire (unless the wire run is short).

I usually use 16 Ga. wire on the power cord, and getting it through the hole
in the black shell of the plug is the hardest part - I just use a reamer or
a drill bit to enlarge the hole a bit.  One does have to be careful with the
'dress' of the ends to be soldered, and I usually put an insulator (tape)
between the wires for good measure.

If one wanted to use wire heavier than #16, a short pigtail of #16 would be
a good way to go - splice the larger wire onto a 2 inch length of #16 and
you are 'home free'.

73,
Don W3FPR

----- Original Message -----
>
> ... Using a 12v SLA and 16 Ga. (don't ask how I got 16 Ga in that
> plug, even I don't believe it myself!) I see .6 delta V.
>
> These are the display changes on the K2 front panel. I've not measured
> <where> the drop come in, because it doesn't even matter.
>