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Sky Digital BSkyB, Freesat & Saorsat support forum
Saorsat - Saorview
RTÉ in Ka band @ 9E, what purpose?
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<blockquote data-quote="Huevos" data-source="post: 749915" data-attributes="member: 301161"><p>Sharing the same intermediate freq. means local oscillator freq. has to be different, and vice versa. That is the current state of affairs with C-band and Ku. For example an intermediate freq. of 950MHz gives a downlink frequency of 4.2GHz (5150MHz L.O. - 950MHz) in C-band and 10.7GHz (9750 L.O. + 950MHz) in Ku band. No need to change the receiver. The only difference in the way those two work is that one is a high-side oscillator and the other is low-side, but that is a feature of the LNB, not the receiver.</p></blockquote><p></p>
[QUOTE="Huevos, post: 749915, member: 301161"] Sharing the same intermediate freq. means local oscillator freq. has to be different, and vice versa. That is the current state of affairs with C-band and Ku. For example an intermediate freq. of 950MHz gives a downlink frequency of 4.2GHz (5150MHz L.O. - 950MHz) in C-band and 10.7GHz (9750 L.O. + 950MHz) in Ku band. No need to change the receiver. The only difference in the way those two work is that one is a high-side oscillator and the other is low-side, but that is a feature of the LNB, not the receiver. [/QUOTE]
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Sky Digital BSkyB, Freesat & Saorsat support forum
Saorsat - Saorview
RTÉ in Ka band @ 9E, what purpose?
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