Hello Jim, > When you set up these units for the first time, select 0 for the RCF > output shift parameter. The AD6620 chip inside the SDR-14 or SDR-IQ > produces 24 bits of data but the USB link can only transfer 16 of them > to the PC. By setting the RCF output shift to zero you will use the > lowest bits and this way you assure that the internal noise floor of the > unit is truly represented on the digital side. > <snip> > Is this true for all USB links from receiver to PC or just SDR-XX ...
This is true for SDR-14 and SDR-IQ. The Perseus HF receiver sends 24 bit data using USB2. I have no information about any other SDR hardware using USB links. 73 Leif / SM5BSZ
