On Tue, 2008-07-22 at 20:45 -0700, wayne burdick wrote: > For bandwidth settings of 100 Hz or lower, the K3’s DSP normally uses a > type of filter that minimizes ringing: the Finite Impulse Response or > FIR filter. > > If you don’t mind a small amount of ringing, you can select Infinite > Impulse Response or IIR filters for these bandwidths, which have > steeper skirts. Locate the CONFIG:FLx BW menu entry, then tap 7 until > you see IIR ON. Both main and sub receivers will use the same setting.
I would just like to add that in certain circumstances with signals buried in the noise this little bit of ringing can help the signal out of the muck. I find the IIR filters useful on 160m and I am glad the option is there. Choice is good ;-) 73 Brendan EI6IZ -- Don‘t complain. Nobody will understand. Or care. And certainly don‘t try to fix the situation yourself. It‘s dangerous. Leave it to a highly untrained, unqualified, expendable professional. _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
