3. Transmission organization
3.1 General view
3.1.1 Satellite channel functions
The satellite payload channel has a dual function (table 7 ):
it must amplify the signals received from the uplink in order to retransmit them on the assigned downlink. At the receiver input, the signals have a power of around 100 pW to 1 nW. The amplifier's power gain must therefore be around 100 to 130 dB in order to provide an output signal of the order...
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Transmission organization
Operating satellite services
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