[Elecraft] How can the KNB2 be tested?

[df5rf]

Hi Karsten,
My KNB2 worked w/o problems. Since the KNB2 blanks out continuous noise
within certain timing limits you need to test with another source.
To learn more about the KNB2, look here:
http://www.qslnet.de/member/la3za/K2/modAny.html#KNB2

73
Gernot
DF5RF
PS: You can put me on the EU-Elecrafters list: K2 #2328.

Karsten Eppert(DK4AS) wrote:

> I have the KNB2 built and installed. I can turn it on/off, set the 
> theshold....everything.
> On 40m , with low threshold, I get "ghost"-signals. The manual 
> recommends to spend an additional capacitor. OK.
> But what I expect - the blanking of noise - does not happen at all. As I 
> have no Noise-source, I tried to switch workspace-lamps on and off. That 
> gives me beautiful strong clicks in the receiver. Unfortunately I have 
> the same strong clicks when the KNB2 is activated. Nothing is blanked.
> 
> Is there a way to test the KNB2? Anything that can be measured? Do I 
> need a different noise-source?
> 73
> Karsten
> K2 #4764
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