Amplifier Research AT4640 Microwave Horn Antenna

Amplifier Research AT4640 Microwave Horn Antenna
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The Model AT4640 (also know as model number ATH18G27-1) is a wide band, low gain, wide beamwidth, high power microwave horn antenna. With a minimum gain of 8.8dB over isotropic, the ModelAT4640 supplies the high intensity fields necessary for RFI/EMI field testing within and beyond the confines of a shielded room. The Model AT4640 is extremely compact and light weight for ready mobility, yet is built tough enough for the extra demands of outdoor use and easily mounts on a rigid waveguide by the waveguide flange. Part of a family of microwave frequency antennas, the Model AT4640 provides the 18.0-26.5GHz response required for many often used test specifications.

The AT4640 is ideally suited for use with the AR Models 40T18G26 and other high power amplifiers in this frequency range.

Specifications:

FREQUENCY RANGE 18.0-26.5GHz
POWER INPUT (maximum) 350 watts CW
VSWR
Maximum
1.5:1
Average
1.3:1
CONNECTOR WR-42 waveguide
MOUNTING PROVISIONS Waveguide flange