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 />
174–230 MHz<br />
H<br />
V<br />
l Logarithmic-periodic broadband directional antenna<br />
with high side-lobe suppression.<br />
Order No. 600 234<br />
K 52 22 57<br />
Input<br />
7-16 female<br />
Max. power<br />
1 kW (higher power upon request)<br />
Frequency range<br />
174 – 230 MHz<br />
VSWR < 1.2<br />
Gain (at mid-band)<br />
8.5 dBd<br />
Impedance<br />
50 Ω<br />
Polarization<br />
Horizontal or vertical<br />
Side-lobe suppression<br />
> 25 dB<br />
Weight<br />
27 kg<br />
Wind load (at 160 km/h)<br />
Horizontal:<br />
frontal / lateral: 240 N / 525 N<br />
Vertical:<br />
frontal / lateral: 240 N / 350 N<br />
Max. wind velocity<br />
225 km/h<br />
Material:<br />
Hot-dip galvanized steel.<br />
A: 2300 mm<br />
B: 890 mm<br />
A<br />
B<br />
Mounting:<br />
To pipes of 60 – 115 mm ∅ by means<br />
of mounting clamps, supplied.<br />
<strong>Antennas</strong><br />
174 – 230 MHz<br />
Grounding:<br />
Via mounting parts.<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 />
53°<br />
68°<br />
10<br />
10<br />
3<br />
0<br />
dB<br />
in E-plane<br />
3<br />
0<br />
dB<br />
in H-plane<br />
79
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