On Nov 25, 2007 10:05 AM, John A. McCabe <[EMAIL PROTECTED]> wrote: > However, one possible problem > that I am seeing with the new version is that the IF frequency offset is > limited to a maximum of 20000 Hz and I believe that that Softrock for K3 > requires a 23000 Hz Offset (8215 K3 IF frequency minus 8192 the softrock > frequency). John,
I never noticed that the crystal that comes with Softrock for the K3 was so far off. The 20000Hz limit is just in the dialog validation code, I just changed it to 96000Hz, and the DttSP code seems to have no problem using a value more than 20000Hz. Thank you for pointing that out. If someone needs this code right away I will build a special patch - please only ask if you intend to use it very soon. That crystal choice is not ideal, especially if someone can only use a 48Khz sampling rate. This means on the panadapter you will basically only see 48Khz of band above the frequency you are tuned to. If you are able to use a 96Khz sampling rate you will see 24Khz below and 73Khz above. I understand Tony, KB9YIG, only buys the readily available crystal values to avoid the high cost of getting a custom crystal frequency made. -Scott, WU2X http://www.wu2x.com/sdr.html _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
