If I recall, based on something I read in an
Agilent app note etc given a known good calibrated OSL and e-cal
unit the e-cal will not be as accurate as the OSL. The e-cal
will be a ton more convenient and way faster but not quite as
accurate.
Gedas, W8BYA
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On 12/1/2018 7:24 PM, Steve Draper
wrote:
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If I perform a cal with an 85052B kit and then
connect the load from my 85033D it looks close (but not as as
good as) the load from the 85052B to 26.5 GHz. I suspect how
they perform above 6 GHz may be a little hit/miss. I don't think
I'd want to count on it for a 26.5 GHz cal unless it was
verified against a known good kit. I did test my 85033D(rated to
6 GHz) and it looks as good as my 85052B to 9 GHz when they are
compared after performing a calibration using a 9 GHz e-cal
unit. I'd love to do a full test to a higher frequency but cheap
e-cal units don't come along very often.
Steve VE7FM
Steve Draper