Thanks Don. I was distracted by Matt Z's comments, and forgot to treat the original question :-)
73, Matt VK2ACL On 15/08/2012, at 8:12 AM, Don Wilhelm <[email protected]> wrote: > Let me try to help a bit. > On the roofing filter/8 kHz shift, you have the cart before the horse. > The 8 kHz shift requires that the roofing filter be bypassed. There are > other cases where the roofing filter may be bypassed without the 8 kHz > shift. For instance Dual Watch being active. > > There is no IF associated with the IQ outputs, it is "bassband" which > means it is the same thing as the "0 Hz" that you are referring to. > > Actually "baseband" is a better term than "0 Hz" - technically 0 Hz is a > DC signal with no variation. Baseband can and does contain modulation. > > 73, > Don W3FPR > > On 8/14/2012 4:47 PM, webrehm wrote: >> It is my understanding that when the roofing filter is used, which is a low >> pass filter, that the IF is 0 Hz. >> When the roofing filter is bypassed (FIL1) does this mean that the IF is >> shifted up to 8 KHz? >> What is the IF of the IQ outputs? >> Can someone explain this to me because I am confused. >> >> tks >> >> Dennis >> >> >> >> >> -- >> View this message in context: >> http://elecraft.365791.n2.nabble.com/Sherwood-receiver-test-on-KX3-tp7561045.html >> Sent from the Elecraft mailing list archive at Nabble.com. >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
