Thank you Bruce, I was also puzzled by that part of the presentation.
Rick K6LE On 5/21/2011, at 8:01 , Bruce Beford wrote: > "Baseband" refers to the fact that the QSD down-converts the RF to IQ > streams at directly near-audio range frequencies. The ADC converts this to > digital, and the DSP then does the demodulation. From the description, the > "IF" frequencies are in the 10 KHz range. So, the "baseband roofing" filter > will be a selectable active "audio" filter operating in this range, prior to > the ADC. This will prevent excessive "out of band" energy from reaching the > ADC. > > Bruce, N1RX > ______________________________________________________________ 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
