If my CAD computer design days don't fail me, I recall 8-pole type filters - had much steeper skirts, but not so hot passbands, sort of ripply. Having already forgotten the spec on group-delay (phase?) - I'll have to look that up.
Fred, N3CSY __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net 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