This product comes from Alaris Antennas catalogues

Wideband LPDA Antenna

LPDA-A0033
Active

The LPDA-A0033 is a directional log-periodic dipole array primarily designed for EW monitoring applications. It covers the 20 to 3000 MHz with a typical gain of 6 dBi over the frequency band. The gain reduces from 6 dBi at 50 MHz to 1.5 dBi at 20 MHz. In the LPDA-A0033-01 version, the polarisation is adjustable between vertical and horizontal without lowering the mast. The LPDA-A0033 version is fixed for horizontal polarisation only. The antenna breaks into three for compact storage, and can be fully erected from packaging by two people in less than 10 minutes.

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Specifications

Frequency range 20 - 3000 MHz
VSWR < 2:1 over 90% of the frequency band VSWR increases from 32 MHz - 20 MHz
Nominal input impedance 50 O
Connector 7/16 female
Feed power handling 1000 W CW up to 1 GHz rolling off to 250 W CW at 3 GHz
Gain 6 dBi typical
Beamwidth E-Plane
Beamwidth H-Plane
Polarisation Linear (vertical or horizontal)
Dimensions (w x l) 5700 mm x 6200 mm
Weight 32 kg or 40 kg (-01 version)
Material Aluminium
Wind survival 160 km/h calculated

    Product Applications

    Electronic Countermeasures
  • Communications Jamming

    Design Features

  • Wideband frequency coverage from 20 MHz to 3000 MHz in a single antenna Low VSWR High gain of typically 6 dBi over 90% of the band Easy construction of detachable elements with spring fasteners Compact storage as unit is easily broken into smaller parts Rugged Quick assembly time: under 10 minutes for two people Compact packaging