R&S®HE302 Antenna

Active Receiving Dipole

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  • 概览

Key Facts

The Active Receiving Dipole R&S®HE302 features a very wide frequency range despite its small dimensions. Its high input sensitivity is the result of optimized matching of the passive antenna structure to the active circuitry.

Features

  • High sensitivity despite small dimensions
  • Wide frequency range
  • High immunity to nonlinear distortion

Specifications

Model Frequency range
R&S®HE302 20 MHz to 500 MHz

Key Facts

  • 20 MHz to 500 MHz
  • Optimized for high sensitivity and small size

    The Active Receiving Dipole R&S®HE302 features a very wide frequency range despite its small dimensions. Its high input sensitivity is the result of optimized matching of the passive antenna structure to the active circuitry.

    These characteristics allow several passive antennas to be replaced by an Active Receiving Dipole R&S®HE302.

    Similar to a passive antenna with high-grade preamplifiers, the active antenna is highly insensitive to nonlinear distortion.

  • Recommended extras
    • Bias Unit R&S®IN600
    • Mast Adapter R&S®HE202Z1 (for special polarization alignment only)
    • RF Cable R&S®HE202Z2 (for use together with R&S®HE202Z1 only)

Features & Benefits

  • High sensitivity despite small dimensions
  • Wide frequency range
  • High immunity to nonlinear distortion
  • High immunity to lightning strokes in the vicinity
  • Low weight
  • Extremely small dimensions
  • Shock- and vibration-proof

Specifications

R&S®HE302
Frequency range 20 MHz to 500 MHz
Polarization linear
Input impedance 50 Ω
VSWR <2.5
Electronic gain –11 dB to +8 dB
Practical gain –9 dB to +10 dB
Directivity 2 dB (average)
Antenna factor 0 dB/m to 14 dB/m
Noise figure
20 MHz 28 dB
500 MHz 9 dB
Field strength sensitivity (∆f = 1 kHz, S/N: typ. 0 dB)
20 MHz –15 dB(µV/m)
500 MHz –6 dB(µV/m)
IP2 >60 dBm
IP3 >30 dBm
Power supply
Up to +40 °C 18 V to 30 V DC, approx. 170 mA
Up to +75 °C 18 V to 25 V DC, approx. 170 mA
Connector N female
MTBF >50 000 h
Operating temperature range –40 °C to +75 °C
Max. wind speed 180 km/h (without ice deposit)
Dimensions (L × H) approx. 1 m × 240 mm
Weight approx. 2.5 kg
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