[Elecraft] KNB2 Noise Blanker Problem?

[Tom Hammond NØSS]

Van:


>Just finished the Noise Blanker for the K2.  In trying it out, I can't see 
>that NB1 makes any appreciable difference
>to a high AC-type noise level, although the NB in my FT-1000MP knocks it 
>out fairly well.  NB2 somewhat attenuates
>signals and noise about equally.  Changing the threshold makes no apparent 
>difference. I'm afraid there may be
>a problem with the KNB2.  I've checked all the solder joints (reflowed a 
>couple of 'em) and made sure components
>were properly placed and oriented.  Question: is it normal for the the 
>NB-2 mode to somewhat attenuate everything?  Has
>anybody else had the same type of problem and found a fix for it??

Unless the TS-2000 uses DSP to accomplish it's DSP function, I'd expect the 
KNB2 to be AS effective as just about any other type of NB. The KNB2 in my 
K2 worked better than the NBs in either my TS-930S or my TS-950SD, and I 
always thought THEY worked pretty darn well.

NB2 may appear to attenuate things a bit more than NB1, because NB2 has a 
longer-duration blanking interval.

Tom  N0SS