LNB Frequencies

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techtest Member ★★ Offline Posts: 42	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
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Eric Johnston

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Reply #1 - 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.
� � � � �

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