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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dB<br />
K 53 35 1. .<br />
Broadband FM Sidemount <strong>Antenna</strong><br />
87.5 – 108 MHz<br />
●<br />
●<br />
●<br />
Omnidirectional propagation with preferred direction.<br />
Mounting to pipes.<br />
Elliptical polarization.<br />
> 500 mm<br />
Type No. / Order No. 750 11423<br />
2100 mm<br />
Input<br />
3 1/8˝ EIA-flange<br />
Frequency<br />
87.5 – 108 MHz<br />
VSWR < 1.25<br />
Gain (ref. λ/2-dipole)<br />
8.5 dB at mid-band<br />
Impedance<br />
50 Ω<br />
Polarization<br />
Elliptical<br />
Max. power<br />
50 kW (at 40 °C ambient temperature)<br />
Weight (antennas only)<br />
350 kg<br />
Wind load (at 160 km/h)<br />
frontal: 1300 N<br />
lateral: 3800 N<br />
Max. wind velocity<br />
240 km/h<br />
Material:<br />
Hot-dip galvanized steel.<br />
Ice protection:<br />
Feed point radome (optional).<br />
Mounting:<br />
To pipes of 70 – 150 mm ∅ by means<br />
of 2 mounting clamps, supplied.<br />
Scope of supply:<br />
<strong>Antenna</strong>s including splitter and connecting<br />
cables (beamtilt ≈1°).<br />
Mounting pipe to be supplied by customer.<br />
Grounding:<br />
Via mounting parts.<br />
Horizontal Radiation Patterns (at mid-band)<br />
Polarization, Pattern and Gain<br />
depending on mast structure behind<br />
10<br />
10<br />
3<br />
dB<br />
3<br />
0<br />
Vertical Polarization<br />
0<br />
Horizontal Polarization<br />
68
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