Druckschrift 9981.0190, Broadcast Antenna Systems - Romkatel
Druckschrift 9981.0190, Broadcast Antenna Systems - Romkatel
Druckschrift 9981.0190, Broadcast Antenna Systems - Romkatel
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K 53 40 1. .<br />
Directional <strong>Antenna</strong><br />
87.5 – 108 MHz<br />
●<br />
●<br />
●<br />
●<br />
4 elements broadband Yagi antenna.<br />
Mounting to pipes.<br />
Vertically polarized.<br />
5 dB gain.<br />
Type No. / Order No. 775 738 775 838<br />
Input 7/8˝ EIA-flange 7-16 female<br />
Frequency<br />
87.5 – 108 MHz<br />
VSWR < 1.3<br />
Gain (ref. λ/2-dipole)<br />
5 dB at mid-band<br />
Impedance<br />
50 Ω<br />
Polarization<br />
Vertical<br />
Max. power 5 kW 3 kW<br />
(at 40 °C ambient temperature)<br />
Weight<br />
20 kg<br />
Wind load (at 160 km/h) frontal: 230 N<br />
lateral: 400 N<br />
Max. wind velocity<br />
225 km/h<br />
Packing size<br />
1800 x 1750 x 95 mm<br />
1750 mm<br />
1600 mm<br />
Material:<br />
Mounting:<br />
Grounding:<br />
Hot-dip galvanized steel.<br />
To pipes of 60 – 125 mm ∅ by means<br />
of 2 U-bolts, supplied.<br />
Via mounting parts.<br />
Radiation Patterns (at mid-band)<br />
120°<br />
60°<br />
10<br />
10<br />
3<br />
0<br />
dB<br />
in H-plane<br />
Horizontal Radiation Pattern<br />
3<br />
0<br />
dB<br />
in E-plane<br />
Vertical Radiation Pattern<br />
71
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