ETS-Lindgren’s 3127 Magnetic Dipole Antenna

Danh mục: Antenna

3127 Magnetic Dipole Antenna


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ETS-Lindgren’s 3127 Magnetic Dipole Antenna

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ETS-Lindgren’s 3127 Magnetic Dipole Antenna

Introduction :

ETS-Lindgren’s Series 3127 Resonant Loops are designed to meet the Cellular Telecommunication and Internet Association’s (CTIA) +/- 0.1 dB symmetry requirement for ripple test measurements at the labeled center frequency. These omnidirectional antennas have a magnetic dipole pattern approaching that of a half-wave resonant electric dipole. The pattern produced has the same peak and null orientation as that of a sleeve dipole oriented along the same axis, but with the directions of the electric and magnetic fields reversed. That is, the electric field vector along the azimuth is perpendicular to the axis and the magnetic field vector is parallel to the axis. The loop design allows the antenna to be end-fed to avoid cable and feedpoint interactions that interfere with the symmetry of the antenna. Integral quarter-wave chokes and/or ferrite loading (depending on frequency range) also help to reduce cable interaction. This design also provides exceptional symmetry to meet the CTIA criteria for ripple test antennas.

Key Features

  • Range of Frequencies to Cover Wireless Device Bands
  • Designed for CTIA Ripple Test
  • Meets CTIA +/- 0.1 dB Symmetry Requirement

 

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