Druckschrift 9981.0190, Broadcast Antenna Systems - Romkatel

TV Transmitting Antenna
with panels K 72 31 4. . or K 73 31 4. .
470 – 860 MHz
Horizontal Radiation Patterns
Examples of typical horizontal
antenna arrays and their horizontal radiation patterns
for minimal mast dimensions.
Vertical Radiation Patterns
Examples of typical vertical
radiation patterns*) for several bays
of identical, vertically stacked
antenna arrays.
Equal power splitting
100
4 bays
E rel
α°
50
0 5 10
100
8 bays
10
10
3
0
dB
3
0
dB
E rel
α°
50
0 5 10
Equal power splitting
Different power splitting
4/10 P
100
12 bays
E rel
α°
1/10 P
1/10 P
50
4/10 P
0 5 10
100
16 bays
E rel
α°
50
10
10
3
0
dB
3
0
dB
0 5 10
*) without null fill
with null fill and beam tilt
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