Druckschrift 99811574, Professional Broadcast Antennas - Kathrein
Druckschrift 99811574, Professional Broadcast Antennas - Kathrein
Druckschrift 99811574, Professional Broadcast Antennas - Kathrein
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Log.-Per. Antenna<br />
Polarization<br />
87.5–108 MHz<br />
V<br />
l Logarithmic-periodic broadband directional antenna<br />
with extremely low side-lobes.<br />
l High reliability even under heavy icy conditions.<br />
Order No. 775 000 775 001 775 002<br />
Input 7-16 7/8 1 5/8<br />
female EIA-flange EIA-flange<br />
Max. power 2.5 kW 5 kW 10 kW<br />
Frequency<br />
87.5 – 108 MHz<br />
VSWR < 1.3<br />
Gain (at mid-band)<br />
6 dBd<br />
Impedance<br />
50 Ω<br />
Polarization<br />
Vertical<br />
Weight<br />
46 kg<br />
Wind load (at 160 km/h) frontal: 500 N<br />
lateral: 1000 N<br />
Max. wind velocity<br />
225 km/h<br />
Side-lobe suppression<br />
> 25 dB<br />
A<br />
<strong>Antennas</strong><br />
87.5 – 108 MHz<br />
Material:<br />
Mounting:<br />
Grounding:<br />
Hot-dip galvanized steel.<br />
To pipes of 60 – 115 mm diameter by means<br />
of mounting clamps, supplied.<br />
Via mounting parts.<br />
B<br />
A: 2034 mm<br />
B: 2570 mm<br />
Combinations:<br />
Several antennas can be combined to increase<br />
the gain and to produce radiation patterns with<br />
very high side-lobe suppressions.<br />
Radiation Patterns (at mid-band)<br />
95°<br />
60°<br />
10<br />
10<br />
3<br />
0<br />
dB<br />
Horizontal Radiation Pattern<br />
3<br />
0<br />
dB<br />
Vertical Radiation Pattern<br />
53
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