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Taking a look at every kind of EMI antenna

Posted: 06 Aug 2015 ?? ?Print Version ?Bookmark and Share

Keywords:ETS-Lindgren? EMI? antenna? testing? hybrid?

Horn antennas

Although some log-periodic antennas can cover frequencies to 6GHz or 7GHz, you'll need another option for higher frequencies. That's where horn antennas enter the game. Used for both emissions and immunity tests, horn antennas can handle frequencies up to 40GHz.

HRN-0118 horn antenna

The HRN-0118 horn antenna from TDK RF Solutions takes you from 1GHz to 18GHz. It's low VSWR (voltage standing wave ratio) and 500W input power let you perform moderate-power EMI immunity tests.


Primarily intended for radiated immunity testing, the AH-8055 power broadband horn antenna from Com-Power covers 800MHz to 5.5GHz. It can handle 450W and has a typical VSWR of 2.8:1 Max/1.7:1 Average. The AH-8055 can also be used for emissions testing.

SAS-574 horn antenna

For frequencies above 18GHz, you can use the SAS-574 horn antenna from A.H. Systems. It covers 18GHz to 40GHz for emissions and immunity testing.


A double-ridged horn antenna, the 3119 from ETS-Lindgren covers 400MHz to 6GHz and can handle 1.5kW input signal for immunity testing. Other horn antennas from ETS-Lindgren go up to 40GHz.

model AHA-118

This horn antenna from Com-Power, model AHA-118, has a preamplifier for measuring low-level emissions at frequencies from 700MHz to 18GHz.

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