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broadband dipole antenna, two cup like a ball

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abc123

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broadband dipole

Anyone has info on the broadband dipole antenna, the one like a ball with two half cup together like a ball on the top and with a stick connected to the power meter used mostly in the EMI testing. any detailed info on how the dipole is formed? and connected ?
there are 1 axis and 3 axis types, is the ball shell part of the dipole or they are just dust shielding for 3 small regular dipole antenna inside the ball shell?
 

broadband ball antenna

Are you talking about an EMC field probe? Like the one shown in the link below?
**broken link removed**

If it is what I think you've described, briefly the dipoles are usually made out of gold and connected to diode detectors. Usually high impedance leads are used to carry the information to an amplifier and the field strength shown on a display. The "ball" is usually just a static shield. More info is available on the ETS website

Regards,
E7k
 

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