On Wed, Feb 29, 2012 at 10:29 AM, Mike Rodgers <mikerodgerske5gbc at yahoo.com> wrote: > . Is the I.F. Similar to the k3?... =========== The block diagram that Wayne posted earlier shows the answer. The KX3 is not a superhet receiver and has no IF strip. Tony KT0NY -- http://www.isb.edu/faculty/facultydir.aspx?ddlFaculty=352