Electronic Communication Systems 2nd Edition by Roy Blake

تمرين 8

An AM radio station operates with a power of 10 kW at a carrier frequency of 1 MHz. It is modulated at 75% by a 1 kHz sine wave. The output is connected to a 50 ohm load.
(a) Sketch the transmitter output in the frequency domain, showing a frequency scale, and a power scale in watts.
(b) Sketch the transmitter output in the time domain (envelope display). Include time and voltage scales.