Thanks Matt, that fully answers my question. Anybody out there who used that feature already? I'm interested in comparing this to solutions like K3+LP-PAN.
tnx es 73 Gernot DF5RF Am 07.06.2012 23:42, schrieb Matt Maguire: > The I/Q bandwidth is discussed in the "SDR Applications" section of > the manual. I quote: > > * > > The RX I/Q outputs from a receiver are not “flat” over an infinite > frequency range; the signal-conversion process results in some > slope (decrease in gain) as you move farther from the center > frequency. In the case of the KX3, the signal will be reduced by > about 2.5 dB at +/- 24 kHz, 4 dB at +/- 48 kHz, and 7 dB at +/- 96 > kHz. The spectrum amplitude on the display, including the apparent > noise floor of the receiver, will “roll off” by these amounts. > > 73, Matt VK2ACL > > On 08/06/2012, at 6:49 AM, DF5RF wrote: > >> The KX3 seems to have direct I/Q outputs to the sound card - which >> sounds really attractive to me. >> The manual says the span depends on the sound card sampling rate, like >> 48/96/192kHz. But it does not tell what kind of band width one can >> expect. >> As I read further, there seems to be a 15kHz limitation imposed by a >> default roofing filter, and this will go narrow automatically under >> certain conditions. >> Again, what kind of span can I expect, and will it depend on any filter >> settings or not? >> Thanks and 73 >> Gernot >> DF5RF >> K2 #2328 >> ______________________________________________________________ >> 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
