Com-Power AC-220 Broadband Combilog Antenna

Frequency Range: 20 MHz - 2 GHz

The AC-220 Combilog antenna is for EMC emission and immunity up to 2 GHz. It combines the electrical properties of two antenna (biconical and Log ). It reduces overall testing time by 20 - 30% due to antenna switching. It is Optimised for emission measurements, but can handle up to 500 Watt CW, making it suitable for most immunity measurements.

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Com-Power AC-220 Broadband Combilog Antenna Product Description

The AC-220 CombiLog is a broadband, linearly polarised hybrid antenna. Hybrid antennas are, put simply, log periodic antennas with the feed lines modified to include a set of low frequency antenna elements, commonly referred to as “bow-tie” elements. Additionally, common-mode chokes are typically installed to reduce common-mode currents flowing on the outer conductor of the coaxial feed line/receive cable. By essentially combining a log periodic and biconical antenna, a hybrid antenna can typically cover, at a minimum,

the frequency range of the combined antenna types.

The AC-220 operates from 20 MHz to 2 GHz as a receiving antenna. Using typical conventional antennas, four separate antennas would be necessary to cover the same frequency band.

Application

The AC-220 CombiLog Antenna is suitable for use as an EMI test antenna for qualification-level regulatory compliance measurements (FCC, CE, RTCA DO-160, FDA, SAE, etc.) over the frequency range of 20 MHz to 2 GHz.

The AC-220 is equally suitable for use as a transmitting antenna over the frequency range of 80 MHz to 2 GHz. The antenna is driven by an RF power amplifier for the purpose of establishing radiated RF fields for product immunity tests. It is capable of handling power levels up to 500 Watts.

Notwithstanding the above applications, the AC220 can also be used for test site comparisons, shielding effectiveness tests of large enclosures, field monitoring, site surveys, etc.

Com-Power AC-220 Broadband Combilog Antenna Resources

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