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IFI EFG-3 E-Field...
10 kHz – 220 MHz Frequency Range...

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IFI EFG-3 E-Field Generating Antenna 1000 Watts

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10 kHz – 220 MHz Frequency Range
Presents a uniform load to driving power source
Provides broad area of useful field
High RF power to E-Field conversion efficiency
Parallel plate mode for high E-Field testing
Ideal for automatic swept field susceptibility testing
Suitable for intensive testing for small objects less than 1/2 meter in their longest dimension.

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IFI EFG-3 E-Field Generating Antenna 1000 Watts
10 kHz – 220 MHz Frequency Range
Presents a uniform load to driving power source
Provides broad area of useful field
High RF power to E-Field conversion efficiency
Parallel plate mode for high E-Field testing
Ideal for automatic swept field susceptibility testing
Suitable for intensive testing for small objects less than 1/2 meter in their longest dimension.
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IFI EFG-3 and EFG-3B Data Sheet

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Specifications

Frequency range	10 kHz to 220 MHz
VSWR	Less than 4:1 at all frequencies, reflections included
Connector type	Type N Female
Dimensions	Main antenna element: 1 meter x 1 meter x 10 centimeters (LxWxD)
Power Handling Capability	EFG-3 up to 1000 watts continuous CW input
Input Impedance	50 ohms nominal
Output Port Impedance	50 ohms nominal
Load Required	50 Ohm, standard coaxial termination, with power rating appropriate for source

Test Equipment Description

The RF microwave EFG-3 E-Field Generating Antenna is designed to generate strong electric field intensities within its vicinity for use in radiated susceptibility testing systems. The EFG-3 E field generating antenna provides a means for dissipating any unused power through the use of a conventional coaxial 50 ohm termination of appropriate power handling capability. This allows the EFG-3 to handle up to 1000 watts of continuous power and 2000 watts for the EFG-3B.

The EFG-3 E-field generating antenna is able to perform in such an efficient manner due to its physical configuration as a radiating transmission line. Highly efficient and conservatively rated broadband transformers are used for impedance matching. This unique matching configuration allows the best possible power to field conversion efficiency by stepping up the source voltage to twice the input value.

The EFG-3 e-field generating antenna can be rotated on its boom axis for both vertical and horizontal polarization and can be combined in multiple bank arrays for an increased useable test area. Pivoting extensions of the top and bottom edges provide access to the area of highest voltage differential such that E-Field intensity can be maximized for testing small objects under extreme field conditions, typically several hundred volts per meter. EFG-3 e-field generating antenna offers a matched load to the driving source over its entire useable frequency range.