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1.0 Introduction
The ETS-Lindgren Model 3117 Double-Ridged Waveguide Horn Antenna is a
linearly polarized broadband antenna covering the 1 to 18 GHz frequency range.
The Model 3117 antenna was designed and built specifically for EMI
measurements and specifications compliance testing. However, it can also be
used for antenna gain, pattern measurement, surveillance, and other
applications.
A single well-defined main lobe radiation pattern over the entire frequency range
provides excellent illumination of the EUT. The Model 3117 antenna is ideally
suited for IEC61000-4-3 and MIL-STD 461/462 immunity tests as well as ANSI
C634 and EN 55033 emissions tests.
The Model 3117 antenna is precision machined from aluminum. A 50-ohm
precision high frequency type N connector is mounted on the base block of the
antenna. A mounting bracket is provided for tower and tripod mounting in
horizontal and vertical polarization positions.
1.1 Standard Configuration
•
Antenna assembly
•
Mounting bracket configured to accept ETS-Lindgren or other tripod mounts
with ¼ inch x 20 threads. In addition to the mounting bracket, a stinger mount
is provided for on-axis rotation during polarization.
•
Individually calibrated at 1 meter per SAE ARP 958 at the ETS-Lindgren
A2LA accredited calibration lab. A 3-meter calibration per ANSI C63.5 is
available at additional cost. Actual antenna factors and a signed Certificate of
Calibration Conformance are included.
Introduction | 7
Summary of Contents for ETS-Lindgren 3117
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Page 20: ...6 3 Model 3117 VSWR 6 4 Model 3117 Half Power Beamwidth 20 Typical Data...
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