[Elecraft] K3 5 pole vs 8 pole filters - attenuation in the passband

lstavenhagen lstavenhagen at hotmail.com
Fri Feb 26 11:50:56 EST 2016


Hi all,
Quick question - do the 8 pole roofing filters have more attenuation, as a
general rule, in their passbands than the 5 pole? Long story on how I
arrived at this question in terms of troubleshooting something I've noticed
in my K3 and K3S, but I'm just curious if there's supposed to be a
noticeable difference?

My assumption is the 8 poles are going to have a little more attenuation
than the 5's, perhaps by as much as 3 db or more. Is that the case that
ya'll have noted?

I've looked through the list archives and haven't found a prior discussion
of this, so just wondering.

Thanks es 73,
LS
W5QD



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