Dual Polarized Feeds

MI-231 Family of Dual Polarized Feeds

Description

Model: ANT-DPF

The ANT-DPF Family of Dual-Polarized Feeds is designed to operate over a standard rectangular waveguide band cover the 1.1 to 40 GHz frequency range. These feeds combine a high performance broadband orthomode transducer with precision circular waveguide feeding a circularly symmetric waveguide aperture. The two ports of an ANT-DPF feed excite two orthogonal TE11 modes in the circular guide which radiate orthogonal linearly-polarized fields with cross polarization suppression better than 35 dB.

  • Features

    • Dual Linear Polarization
    • Constant Beamwidth
    • Low Cross Polarization
    • Low VSWR

    GENERAL CHARACTERISTICS

    Cross Polarization Discrimination > 35 dB
    Interport Isolation (Port-to-Port) > 40 dB
    Operating Temperature Range 10°C – 35°C
    Interface Connector Type N Female or K Connector (see Specification table)
    Gain (Nominal) 9 dBi ±0.5 dBi
    3 dB Beamwidth 57° ±4°
    Max Power 25 Watts

    SPECIFICATIONS

    Frequency Range 1.12 – 40 GHz
    Nominal VSWR 1.5 (max < 2) dBi
    Band L, LS, S, C, XN, X, X-Ku, Ku, K, Ka
    Weight lbs (kg) 0.3 – 101 lbs (0.13 – 45 kg)



    Typical Measured Data for Dual Polarized Feeds

    Radiation Patterns at 10.2 GHz

    Radiation Patterns at 10.2 GHz

    Radiation Patterns at 10.2 GHz

    Radiation Patterns at 10.2 GHz

    Gain at 8.2 GHz

    Gain at 8.2 GHz

    VSWR at 8.2 GHz

    VSWR at 8.2 GHz

    Port-to-Port Isolation

    Port-to-Port Isolation

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Specifications

Model      Frequency Range (GHz) Nominal VSWR Band Connector Type Weight lbs (kg)
ANT-DPF-1.1 1.12 - 1.7 1.5 (max < 2) L N Female (2) 101 (45)
ANT-DPF-1.7 1.7 - 2.6 1.5 (max < 2) LS N Female (2) 48 (21)
ANT-DPF-2.6 2.6 - 3.95 1.5 (max < 2) S N Female (2) 23 (10)
ANT-DPF-3.95 3.95 - 5.85 1.5 (max < 2) C N Female (2) 7.5 (3.4)
ANT-DPF-5.85 5.85 - 8.2 1.5 (max < 2) XN N Female (2) 4.7 (2.1)
ANT-DPF-8.2 8.2 - 12.4 1.5 (max < 2) X N Female (2) 2 (0.9)
ANT-DPF-10 10 - 15 1.5 (max < 2) X-Ku N Female (2) 1.9 (0.8)
ANT-DPF-12.4 12.4 - 18 1.5 (max < 2) Ku N Female (2) 1.7 (0.7)
ANT-DPF-18 18 - 26.5 1.5 (max < 2) K 2.92 mm Female (2) 0.6 (0.27)
ANT-DPF-26 26.5 - 40 1.5 (max < 2.5) Ka 2.92 mm Female (2) 0.3 (0.13)

Atlanta

1125 Satellite Blvd., Suite 100
Suwanee, GA 30024-4629 USA

+1 678 475 8300
+1 678 542 2601
sales@nsi-mi.com
 

Los Angeles

19730 Magellan Drive
Torrance, CA 90502-1104 USA

+1 310 525 7000
+1 310 525 7100
sales@nsi-mi.com
 

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