[hpsdr] Hermes/ANAN-10 RX spurious signals?

Bruce Beford bruce.beford at myfairpoint.net
Sat Nov 10 13:42:08 PST 2012


I am interested in hearing from others who have their Hermes/ANAN-10 units
up and running. I note several spurious signals in the RX, with the antenna
connector terminated in a 50 Ohm load. There are pretty strong signals on
the 10MHz clock freq and it's multiples. I have not tried using the external
input with my GPSDO yet. There are also a few other internally generated
spurii. I have not cataloged the actual freqs yet. Very easy to check with
the wideband display of CuSDR.

I would like to determine if these signals are present on a bare Hermes, or
if they are related to the integration within the ANAN-10 PA and enclosure.
I am preparing to leave on a business trip shortly, so won't have too much
time to tear down to the bare board to investigate.

All comments from those who have actually checked for these appreciated.
Thanks,
Bruce, N1RX





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