User's Manual

IDS Ingegneria Dei Sistemi S.p.A. N°doc: MN/2009/070 - Rev. 1.1
IBIS-L v.02.00 - User manual
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(a)
(b)
Fig. 3.2 – Back (a) and front (b) view of the sensor
Fig. 3.3 – Bottom view of sensor
3.2 Antennas
3.2.1 Ku band system antennas
The Ku band IBIS-L system is provided with two identical IBIS-H20 antennas operating
in vertical polarisation and characterised by a maximum gain of 20dBi. The amplitude
characteristics of the antenna main lobe at -3 dB and -10 dB are provided in Tab. 3.1 and
its vertical and horizontal patterns are shown in Fig. 3.4 and Fig. 3.5. For further details
see appendix B.1 .
IBIS-H20
HORIZONTAL
PLANE
VERTICAL
PLANE
-3 dB
17° 15°
-10 dB
34° 45°
Tab. 3.1 – Width of the main lobes of the IBIS-H20 antennas at -3 dB and -10 dB
USB
Dovetail
guide
Power supply
4 claps
Flanges
Threaded
screw
hole