Jim, Go to the Setup>DSP form and check the CW RX buffer size. The larger the buffer size, the sharper the filter. Lower sampling rates for a given buffer size will increase filter sharpness at the expense of latency.
Hope that helps. Also, I would recommend upgrading to 2.0.16. Gerald Gerald Youngblood, K5SDR President and CEO FlexRadio Systems(TM) 13091 Pond Springs Road, #250 Austin, TX 78729 Phone: 512-535-4713 Ext. 202 Email: [email protected] Web: www.flexradio.com <http://www.flex-radio.com/> Tune In Excitement (TM) PowerSDR(TM) is a trademark of FlexRadio Systems On Wed, Dec 1, 2010 at 7:28 PM, jim howard <[email protected]> wrote: > I seem to have a problem with my filters. > On CW using a 25 cycle filter, I can copy signals 400 cycles outside the > filter. > Also when I use the 400 cycle filter and move a signal just outside the > filter > on the scope, the sound of the signal does not change as I select > filters down to 25 cycles. > This seems to have started when I loaded 2.0.8 > I'm sure it is something I have done that has caused this problem > but have not idea what it was. I like to use the narrow filters. > If anyone has any ideas let me know. > > Jim, K5TC > > > > _______________________________________________ > FlexRadio Systems Mailing List > [email protected] > http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz > Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ > Knowledge Base: http://kc.flexradio.com/ Homepage: > http://www.flexradio.com/ > _______________________________________________ FlexRadio Systems Mailing List [email protected] http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ Knowledge Base: http://kc.flexradio.com/ Homepage: http://www.flexradio.com/
