[Elecraft] [KX1] Xtal Filter Performance?

Wayne Burdick n6kr at elecraft.com
Sun Aug 22 20:57:22 EDT 2010


Hi Joe,

This is normal. A 3-crystal filter at ~5 MHz will definitely allow  
some opposite-sideband leakthrough, especially when lightly loaded. If  
you dial the bandwidth way down, the leakthrough will be lessened.

73,
Wayne
N6KR


Joe Planisky wrote:

> ...I've noticed
> the filtering of the unwanted sideband is a bit less than I  
> expected....
>
> I realize that the 3 pole variable bandwidth filter in the KX1 isn't
> going to provide the same performance as the filters in my K3, but
> still, I wonder if what I'm hearing is normal.





More information about the Elecraft mailing list