Pagina 58 - TELE-satellite - La Più Grande Rivista del Mondo Sul Commercio TV Digitale

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TELE-satellite International — The World‘s Largest Digital TV Trade Magazine
— 09-10/2012
Checking the optical signal
at one of the fibre optic to
coax converters
TELE-satellite has introduced GlobalInvacom‘s fibre
optic LNB first in 2008 and then again in 2009.
quire a receiver for switch-
ing between lower or higher
sub-band of Ku Band and
horizontal or vertical po-
larization. No, it outputs two
sub-bands of Ku-Band and
both polarities stacked one
over another in the range
0.95 – 5.45 GHz. Such RF
signal is then fed to the
Global Invacom RF-to-light
converter which is desig-
nated as FibreIRS ODU32.
Because here we deal with
very high frequencies, we
can not use regular coax
cable to connect these two
devices. Global Invacom
provides a special 2 meters
long thick and stiff coaxial
cable. Thanks to that, even
a 5.45 GHz signal is not at-