________________________________
From: [email protected] [mailto:[email protected]] On Behalf Of Price,
Andrew
(SELEX GALILEO, UK)
Sent: Monday, December 01, 2008 7:00 AM
To: [email protected]
Subject: EMI Receiver
Hi All
What was wrong with the old Stoddart/Ailtech Identity?
"EMI/Field Intensity Meter"
Regards
Andy
Andrew P. Price
Principle Hardware Engineer, EMC Specialist
While citing Stoddart as a source is pretty definitive, you do have to
remember that they were building on government contracts, so logic may not
apply.
Besides, as I previously said, the energy can't really be called
"interference" by itself. Also, "Field Intensity Meter" is a bit incorrect,
since the meter really measures only the 50-Ohm voltage applied to its front
panel. If you connect an antenna, you can measure field strength. But, you
could as easily connect a different transducer, perhaps a current probe, and
you would then be measuring circuit currents. Other transducers are also
possible; an accelerometer for mechanical vibration, a microphone for acoustic
energy, a piezo transducer for ultrasonic.
Does anyone measure any physical phenomena that I left out?
Ed Price
[email protected] <blocked::mailto:[email protected]> WB6WSN
NARTE Certified EMC Engineer & Technician
Electromagnetic Compatibility Lab
Cubic Defense Applications
San Diego, CA USA
858-505-2780 (Voice)
858-505-1583 (FAX)
Military & Avionics EMC Is Our Specialty
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