Amplitude modulation is used for broadcasting because______
A. it is more noise immune than other modulation systems
B. compared with other systems, it requires less transmitting power
C. its circuitry is simple
D. no other modulation systems can provide the necessary bandwidth for high fidelity
Answer:C
Amplitude modulation is used for broadcasting because______
A. it is more noise immune than other modulation systems B. compared with other systems, it requires less transmitting power C. its circuitry is simple D. no other modulation systems can provide the necessary bandwidth for high fidelity