Happy 06,
I installed a 10MHz TCXO a month or so ago and have not had any problems
running the legal limit. The output is padded to 1Vpp, set the multiplier
to 20, and moved the jumpers.
73,
k2ox
Hi,
Has anyone had any experience using an external clock with the SDR-1000 they
would like to share? I built a 10 mHz GPSDO that seems to be working just
fine. It puts out a nice 1.7 V P-P sine wave into a 50 ohm load which is
within the +4 to +14 dBm range required by the SDR-1000. I
did you change jumpers SV1 and SV2 (which switch between differential
and single-ended clock input for the DDS chip)? I'm not sure what
difference that might make; when I did my phase noise tests, the jumpers
didn't seem to make much difference.
One other possibility might be a ground loop
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