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E4407B with AYZ and external mixer

Question asked by kspace on Sep 16, 2014
Latest reply on Sep 22, 2014 by kspace
I'm attempting to use an E4407B w/AYZ with a 1174V external preselected mixer. I believe I've followed the setup directions and everything seems to make sense, however the trace is off the scale and the marker reads in the area of 520-540 dBm! Considering that this is more power than the sun puts out, I'm pretty sure that's not right ;)

It happens as soon as I switch to the mixer to external. Unplugging and/or powering down the mixer doesn't make a difference. Firmware is A.14.06. I figure there's something simple I'm missing. Can somebody point me in the right direction?


Edited by: kspace on Sep 16, 2014 10:19 AM, for a typo