Dual Polarized Open-ended Waveguide With

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MEASUREMENT PROBES > Dual Polarized Open-Ended Waveguide > Measurement antennas With Interchangeable Apertures Typical 3D radiation pattern DOEW 6000 MEASUREMENT PROBES > Main use: • Dual polarized field probe for near-field and far-field measurement • Calibration and polarization reference > Delivered documents: • Measured return loss and port-to-port coupling • Typical performance data (TYMEDATM) > Surface treatment: • Alodine 1200 according to MIL-C 5541E class 3 • Blue paint > Included equipment: • Mounting flange • Removable absorber plates > Related services: • Calibration and maintenance • Customization • Available with integrated RF switch upon request ➊ TECHNICAL PERFORMANCE • Avoid any additional alignment procedures when aperture is changed • Minimize interaction between probe and the antenna under test ➋ DESIGN • Apertures integrated with a wideband dual polarized orthomode junction • Tapered ends to minimize diffraction effects • Lightweight for easy handling • Easily interchangeable apertures ➌ REPEATABILITY • Repeatable radiation performance due to the axial symmetry of the interchangeable apertures • Stiff and robust mechanical design • Standard SATIMO circular interface for precision centering • Precision machined • High precision PC 3.5 mm Female connectors • Precision pin for accurate polarization alignment 43 Electrical characteristics Part number DOEW 6000 DOEW 18000 Frequency range 6 - 20 GHz divided into three sub-bands (1:1.5 bandwidth ratio each) 18 - 40 GHz divided into two sub-bands (1:1.5 bandwidth ratio each) Average gain > 7 dBi > 7 dBi Average VSWR 2.0:1 2.0:1 Polarization Dual linear Dual linear Port-to-port isolation 45 dB 45 dB Impedance 50 Ohms 50 Ohms Absorbers AEMI AEP-4 AEMI AEC-1.5 Part number DOEW 6000 DOEW 18000 Dimensions* L x D X Ø 362 x 216 x 400 mm 231 x 85 x 400 mm Apertures Threaded termination Threaded termination Weight* 2 kg 1.9 kg Mechanical characteristics (1) K female Material Aluminum Aluminum Treatment Alodine 1200(2) Alodine 1200(2) Color Blue Blue Interface (Standard) Ø 110 mm 110 mm *Approximately (1) SWMI type 1032-10SF (2) MIL-C 5541 E class 3 Mechanical drawing L D Ø 44 K Female(1) Connector DOEW 6000 Aperture 1: Measured Return Loss and Isolation DOEW 6000 Aperture 2: Measured Boresight Gain DOEW 6000 Aperture 2: Measured Return Loss and Isolation DOEW 6000 Aperture 3: Measured Boresight Gain DOEW 6000 Aperture 3: Measured Return Loss and Isolation > Measurement antennas DOEW 6000 Aperture 1: Measured Boresight Gain 45 DOEW 6000 Aperture 1: Radiation pattern at 6 GHz DOEW 6000 Aperture 3: Radiation pattern at 13.5 GHz DOEW 6000 Aperture 2: Radiation pattern at 9 GHz DOEW 6000 Aperture 3: Radiation pattern at 20 GHz DOEW 6000 assembly 46 Three aperture choices