[Heathkit] SB-200 Input Inpedance.. Frustration Continues...

Kenneth G. Gordon kgordon2006 at verizon.net
Tue Aug 14 20:07:22 EDT 2007


On 14 Aug 2007 at 17:02, Greg wrote:

> Larry has a good idea.

Yup. But I am not the one having the problem. It is Scott KB0NLY.

> Yank the tubes out completely and disconnect
> the cathode lead to the tube. Try a couple different values of
> resistance that is in the ball park for an input match. The 50 ohm
> reading and infinite SWR sounds impossible but I beleive you man.


NOT impossible at all. Read page 13 of the PDF manual for the MFJ-
259B which is on their website.

> It's
> starting to sound like something is wrong with the tube(s)

Sure does!!!! :-)

Good going, guys! I think we can help this fellow lick it yet.

Ken W7EKB


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