Hi group!
I would like to get my archaic knowledge of GTEM's updated a bit.
What is the current status of using a GTEM cell to measure radiated
emissions? My latest copy of CISPR 16-1 says use of a GTEM is "under
consideration" for radiated immunity testing, but I didn't find anything in
there about using a GTEM in place of an OATS for radiated emission testing.
Is this allowed?
FCC R&R Part 15.31(?) says that a GTEM cell can be used for Part 15
qualification radiated emission testing only if the applicant can show
similarity of results with those obtained at an OATS. Is this still true? If
you wanted to qual test 5 or 6 types of small electronic products, would you
need to take a sample of one of each type through both an OATS and GTEM test
series to establish a similarity for each type?
Are the variations seen in GTEM cell testing versus OATS testing primarily a
function of GTEM manufacturing variation, or is it more attributable to test
specimen set-up, size or geometry within the GTEM?
Regards,
Ed
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Ed Price
ed.pr...@cubic.com
Electromagnetic Compatibility Lab
Cubic Defense Systems
San Diego, CA. USA
858-505-2780 (Voice)
858-505-1583 (Fax)
Military & Avionics EMC Services Is Our Specialty
Shake-Bake-Shock - Metrology - Reliability Analysis
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