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VSAT technology and installation >> Dish pointing and alignment >> LNB Frequencies https://www.satsig.net/cgi-bin/yabb/YaBB.pl?num=1249057341 Message started by techtest on Jul 31st, 2009 at 5:22pm |
Title: LNB Frequencies Post by techtest on Jul 31st, 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 |
Title: Re: LNB Frequencies Post by Eric Johnston on Aug 1st, 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. |
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