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3148B Log Periodic Dipole Array

3148B  Log Periodic Dipole Array

Frequency Range: 200 MHz - 2 GHz. The Model 3148B Log Periodic Dipole Array Antenna is specifically designed for making CISPR 16-1 measurements which require a 20 dB difference in the cross polarization rejection.
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3148B Manual Product Manual

3148B Datasheet Product Datasheet

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Key Features

  • High Gain
  • Meets CISPR Cross Polarization Requirements.
  • Low VSWR
  • Powder Coat Finish
  • Individually Calibrated
  • Two Year Warranty
  • Flexible Mounting System

Description

The ETS-Lindgren Model 3148B Log Periodic Antenna is specifically designed for making CISPR 16-1 measurements which require a 20 dB difference in the cross polarization rejection. This is achieved using an engineering design and manufacturing process that offsets all of the elements in a precision pattern. The excellent cross-polarization property ensures minimum measurement uncertainty for radiated emissions and normalized site attenuation measurement.

The precision construction of the assembly of the boom and elements result in excellent VSWR and optimal phase relationship.

The Model 3148B antenna features relatively constant linear gain (measures in far field without any sudden “dips” or “bumps”).

A Type N connector is provided.

FEATURES

Frequency Range

The frequency range of the Model 3148B is 200 MHz to 2 GHz. This makes the Model 3148B ideal for CISPR 16 testing and other standards based on it, such as CISPR 25.

High Gain

The Model 3148B’s design provides a balance between the shortest antenna and the highest possible gain, with a 5 dB average gain over its frequency.

Low VSWR

The choice of spacing between booms and the changing element diameter provide excellent impedance of the antenna. This results in a in low VSWR.

Individually Calibrated

The Model 3148B is individually calibrated at 1 m per SAE ARP 958 and 3 m and 10 m per ANSI C63.5. This antenna also comes with a signed Certificate of Calibration Conformance.

Flexible Mounting System

The Model 3148D antenna includes both an EMCO classic mount and a rear "stinger" mount.
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Information presented is subject to change as product enhancements are made. Contact ETS-Lindgren Sales Department for current specification.