A few questions about the K3S internal audio interface: 1. Is the internal connection between the USB audio interface and the 2nd IF analogue or digital? If digital, how is the sample rate conversion implemented?
2. It seems to support sampling rates of 32000, 44100 and 48000 Hz, but not higher or lower values. Is this correct? 3. What determines the clock frequency for this sampling? Is it a free-running crystal? If so, what is its frequency tolerance? Or is it locked to the main TXCO and/or external 10 MHz reference? 4. When listening to SSB audio at S9+, with slow AGC, the output level via this interface seems to be -22 dBFS true peak. Why is it throwing away three bits of resolution? Or is this amount of headroom necessary/useful? TIA. -- Richard Lamont G4DYA <[email protected]> ______________________________________________________________ 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 Message delivered to [email protected]

