COM-power corporation AH-840 Handmatig - Pagina 8
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Table 1-2 Power Requirements and Antenna Gain
Power Requirement (Watts) at 1 meter spacing to obtain field strength:
Frequency
Field strength
GHz
E
10 V/m
18
0.05
20
0.03
22
0.03
24
0.02
26
0.02
28
0.01
30
0.01
32
0.02
34
0.02
36
0.02
38
0.03
40
0.04
Figure 1-2 Typical Antenna Factors
Frequency (GHz)
(typical)
E
E
50 V/m
100 V/m
1.15
4.61
0.80
3.18
0.76
3.04
0.62
2.47
0.50
2.01
0.32
1.27
0.32
1.30
0.51
2.05
0.38
1.52
0.51
2.06
0.82
3.26
1.00
4.01
1 - 3
Gain
(dBi)
18.6
20.2
20.4
21.3
22.2
24.2
24.1
22.1
23.4
22.1
20,1
19.1
AH-840 Horn Antenna