Wayne, I just tried my 1K with SVN 1888, slid it all up and down on all bands and do not heard any popping, but I do notice a big jump in the CPU usage, from 9% to 40 to 45%, most likely due to the extra graphics needed to display. Sounds like an old fashion analog radio with a big knob. My CPU is 3.4 ghz hyper threaded, with NVida graphics card, on board LPT for control. Some of the on board graphics do not handle that much graphics very well, and have to rely on the CPU to make up the graphic difference or must share memory with main memory. You might verify this by turning the panadapter off and moving the frequency either with the mouse wheel or with the Griffin knob.
73, Dudley WA5QPZ At 12:02 PM 1/9/2008, Wayne Roth wrote: >I've had a SDR1000 for eons now and it's always bugged me that rapidly >changing frequency with the mouse wheel, mouse drag of pan adapter, or >Griffin PowerMate interjects noise as the frequency changes. You can't >really spin the dial on this radio like a hardware radio. I'm currently >using a parallel port connection and was wondering if the USB to parallel >port adapter reduces the noise clicks as the vfo changes? If the noise >clicks are 100% a function of the synthesizer changing, then I would suggest >not. If there's some noise from the long lines in the cable changing state >and coupling to the receiver, then there could be an improvement. Does >anyone have any experience with the noise and switching from parallel to >USB? > >I suppose I could walk out of my office and across the parking lot 200 feet >to the FlexRadio assembly warehouse and ask, but why expend my valuable >energy walking? > >Wayne >WA2N/5 >Austin, Tx > > >_______________________________________________ >FlexRadio Systems Mailing List >FlexRadio@flex-radio.biz >http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz >Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ >Knowledge Base: http://kb.flex-radio.com/ Homepage: >http://www.flex-radio.com/ _______________________________________________ FlexRadio Systems Mailing List FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ Knowledge Base: http://kb.flex-radio.com/ Homepage: http://www.flex-radio.com/
