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Why in satellite communication,IF is 70MHz?

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dangndkhoi

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\[Why in satellite communication,IF is 70MHz?\]
 
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karesz

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Hi,
I think its to first not in satellite comm. a IF value, but more earlyer it was a standardized UHF/VHF Comm. RX IF value.
It was so high to select as possible and helps for better mirror damping/rejectings...
K.
 

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