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In most satellite TV receivers the first IF band is converted to a second fixed IF? Why is this second frequency conversion required?
written 8.9 years ago by gravatar for teamques10 teamques10 ★ 69k •   modified 8.9 years ago

This question appears in Mumbai University > Satellite Communication and Network subject

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Year: Dec 2014
satellite communication and network
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written 8.9 years ago by gravatar for teamques10 teamques10 ★ 69k
  • The downlink frequency band of 12.2 to 12.7 GHz spans a range of 500MHz which accommodates 32TV/FM channels each of which is 24MHz wide.
  • The receiving horn feeds into a low noise block (LNB). The LNB provides gain for the broadband 12GHz signal and then converts the signal to a …

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