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Amplifier Research ATR26M250 26–250 MHz Log-Periodic Antenna View larger

Amplifier Research ATR26M250 26–250 MHz Log-Periodic Antenna

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  • 15kW Input Power
  • 26–250 MHz Log-Periodic Antenna
  • Wide band, high gain, log periodic
  • Low VSWR for high field-strength immunity testing
  • Size reduction of approximately 60 percent
  • Robust design accommodates for high power levels 
  • Tough enough for outdoor use
  • Compliant to many military and commercial emissions and immunity standards

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DataSheet

Amplifier Research ATR26M250 Log-Periodic Antenna

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Specifications

Frequency Range26–250 MHz
Gain6 dB (80–250 MHz) -3 to +6 dB (26–80 MHz)
Impedance50 ohms nominal
Input15000 Watts
Dimensions279.4 x 53.6 x 202.4 cm (110 x 21.1 x 79.7 in)
Weight31.8 kg (70 lb)
Input VSWR3.0:1 (80–250 MHz) 10:1 (26–80 MHz)
BeamwidthSee graph - DataSheet

Test Equipment Description

Amplifier Research ATR26M250 15kW Input Power, 26–250 MHz Log-Periodic Antenna 

The Model ATR26M250 is a wide band, high gain, log periodic antenna that is uniquely suited for use in both traditional applications as well as in new compact chambers. The proprietary design, utilizing a “bent element” approach, provides a size reduction of approximately 60% without sacrificing key electrical performance such as gain and beamwidth. The considerable size reduction minimizes field loss resulting from “room loading”.

This is especially troublesome when conventional log periodics are used in small enclosures. The robust design can accommodate the high power levels necessary to generate significant E-fields. The ATR26M250 can also be calibrated for RF emissions testing. This antenna is built tough enough for outdoor use. The antenna comes with a wall bracket but can also be mounted, with its integral polarization change mount, on the AP5010B antenna positioner. Included are two non-metallic masts, 4 feet and 6 feet for vertical mounting.

The Model ATR26M250 allows polarization change (90 degree rotation) without removing the antenna from its positioner. The export classification for this equipment is EAR99. These commodities, technology or software are controlled for export in accordance with the U.S. Export Administration Regulations. Diversion contrary to U.S. law is prohibited.