EMC FLEX BLOG A site dedicated to Automotive EMC Testing for Electronic Modules


16. December 2020 06:35 by Christian in EMC/EMI, Troubleshooting, Test Equipment
ANTENNA TYPE FREQUENCY RANGE USAGE NOTES LOOP 1 KHz TO 30 MHz Magnetic Field 20 dB dynamic range f
LOOP1 KHz TO 30 MHzMagnetic Field20 dB dynamic range for 1 KHz
ROD1 KHz TO 30 MHzRadiated Emissions41 inches long, uses ground plane and active amplifier
BICONICAL20 MHz to 200 MHzRadiated EmissionsRequired by automotive standards
DIPOLE100 MHz to 1 GHzShielding Effectivenessmore efficient above 400 MHz 
LOG PERIODIC200 MHz to 1 GHzRadiated EmissionsCISPR 25
BICONLOG20 MHz to 1 GHzRadiated EmissionsEuropeean requirements
LOG SPIRAL200 MHz to 10 GHz Shielding EffectivenessCone-shaped. Can't distiguish between horizontal and vertical polarization
HORNabove 1 GHzRE, RI ALSEHighly efficient, directional, can be harmful causing blindness, glaucoma
RIDGED HORN1 GHz to 10 GHzRI ALSEBroadband
HOOD RI ALSEHorn antenna with a metallic hood around it for safety.
HAND-HELD Shielding Effectiveness 
DISCONE  Shielding Effectivenessnot directional
YAGIbelow 100 MHz Shielding Effectiveness 
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