[Elecraft] [K2] K2NB noise blanker performance testing

[Douglas Furton]

Can anyone suggest a controlled set of tests that might verify if a K2NB module is working properly?

I built and installed a K2NB for my K2 sometime ago and whether or not the module performs properly has always nagged at me -- especially since there is something in my neighborhood that now and then emits considerably RF noise that splashes across a wide range of frequencies.  The noise sounds just like broad-band ignition/pulse noise, the type of noise a noise blanker should effectively blank.  But my K2NB module doesn't seem to be able to get it, even though NBers on a couple other of my rigs zap it effectively.

There are two possibilities: either I did not build my K2NB quite properly (because it does seem to limp along and blank some noise in certain circumstances), or the K2NB doesn't quite live up to its billing as a "high performance" noise blanker.

I'm interested in running some sort of objective test that is able to discern if my K2NB is working up to spec.  

Doug
K8EXB

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