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How are FBW signals transmitted?(a) Simplex(b) Duplex(c) Time division multiplexing(d) Code division multiplexingThis question was addressed to me in an interview for job.This key question is from Fly-By-Wire Technology topic in chapter Fly by Wire Flight Control of Avionics

Answer»

Correct choice is (c) Time division multiplexing

For EXPLANATION: Transmission of electric signals is a KEY element in a FBW system. Faster the signal transmission, quicker the response of the aircraft to the PILOT stick controls. Time division multiplexing is used where signals can be transmitted along a network comprising only of two wires as only ONE set of DATA is being transmitted at any particular time.



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