Satellite Communication - Engineering

Q1:

A transponder is a satellite equipment which

A receives a signal from Earth station and amplifies

B changes the frequency of the received signal

C retransmits the received signal

D does all of the above-mentioned functions

ANS:D - does all of the above-mentioned functions

Transponder consists of transmitter and receiver and it also has a low noise amplifier, carrier processor and power amplifier. So all above statement operations performed by this blocks.