SatSig topic:

LNB Frequencies

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Jul 31^st, 2009 at 5:22pm

Dear Sir ,
By knowing LNB LO Frequency, can we say which freq ranges it supports

Like 11.3 is LO it supports 12.25 --12.75 Ghz .

Thanks a lot

Regards
techtest

Aug 1^st, 2009 at 11:17am

Some examples...

Input frequency band from satellite waveguide GHz, Local Oscillator (LO) frequency GHz, Output L band into cable MHz, Comments

C band
3.4-4.2 5.15 950-1750 inverted output spectrum
3.625-4.2 5.15 950-1525 inverted output spectrum
4.5-4.8 5.75 950-1250 inverted output spectrum
4.5-4.8 5.95 1150-1450 inverted output spectrum

Ku band
10.7-11.7 9.75 950-1950
10.95-11.7 10 950-1700
10.95-12.15 10 950-2150 Invacom SPV-50SM
11.2 - 11.7 10.25 950-1450
11.45-11.95 10.5 950-1450
11.7-12.75 10.6 1100-2150
11.7-12.75 10.75 950-2000 Invacom SPV-60SM
12.25-12.75 11.3 950-1450 Invacom SPV-70SM

Ka band
19.2-19.7 18.25 950-1450
19.7-20.2 18.75 950-1450
20.2-20.7 19.25 950-1450
20.7-21.2 19.75 950-1450

More explanation about how an LNB works.

Best regards, Eric.