[Yaesu] FT-990 Noise "Blanker"?

[Michael Cowart]

I would say that your noise blanker is no working correctly, 
if at all.  The noise blanker on the 990 is by far the best
I have ever seen. I have all kinds of pulse noise, and it takes
it right out.

Mike
WA5CMI

KB0VCC wrote:
> 
>   Hi everyone,
> 
>   Anyone know what purpose the NB on the FT-990 serves?
>   I know, the manual says it reduces "pulse noise".  Ok,
>   entering from where?  The front end?  DC input?  I have
>   LOTS of "pulse noise" in the air at my QTH.  My NB
>   appears to do nada to correct the problem.  There is
>   absolutely NO difference with it on or off, nor does
>   the level make any difference.  The manual warns that
>   adjusting the level too high could distort SSB reception.
>   Well, mine doesn't even do that.  Could this mean the NB
>   isn't working?  Just what type of "pulse noise" is this
>   circuit supposed to reduce?
> 
>   Tnx es 73
>    -Dale
> 
> =========================================================
>  Dale Anderson,  KB0VCC           Fort Collins, Colorado
>  QRP-L #91 / CQC #251                    Grid Sq: DN70LM
> =========================================================
> 
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