Interesting spur

General discussion and support for the Peaberry SDR V2.

Interesting spur

Postby W4MMP » Mon Jul 28, 2014 4:00 pm

Hi,
Just thought I would pass along a mildly interesting side effect of having two Peaberrys. I have two Peaberrys stacked one on top of the other. When I power up the Peaberrys and start using one of the rigs (30/20/17/15), the uninitialized rig (80/75/60/40) produces a spur at 14080MHz as can be seen on the attached screen shot. When I switch to the 80/75/60/40 rig and initialized it, the spur disappears. It must have something to do with the Si570 being in the uninitialized state immediately after power up. No big deal and I usually keep both Peaberrys powered up and initialized.
Attachments
Screenshot 2014-07-28 11.40-b.10.png
Screenshot 2014-07-28 11.40-b.10.png (116.26 KiB) Viewed 1009 times
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Ron / W4MMP
W4MMP
 
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