Re: [KX1] Xtal Filter Performance?

Posted by wayne burdick on Aug 23, 2010; 12:57am
URL: http://elecraft.85.s1.nabble.com/KX1-Xtal-Filter-Performance-tp5451101p5451115.html

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.



______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html