Explain the principle of amplitude modulation and Frequency modulation with relevant expressions. Last Answer : Amplitude modulation theory & equations It is possible to look at the theory of the generation of an amplitude modulated signal in four steps: 1. Carrier signal 2. Modulating signal 3. Overall modulated signal for a single tone 4. Expansion to cover a typical audio signal...
List few applications of amplitude modulation. Last Answer : Broadcast transmissions: Air band radio: Single sideband: Quadrature amplitude modulation...
Define analog and digital signal. Last Answer : Analog Signal An analog signal is a continuous wave denoted by a sine wave (pictured below) and may vary in signal strength (amplitude) or frequency (time). The sine wave's amplitude value can ... is described as using binary (0s and 1s), and therefore, cannot take on any fractional values. ...
Draw the block diagram and explain the working of satellite communication systems. Last Answer : Satellite communication: In telecommunications, the use of artificial satellites to provide communication links between various points on Earth. Satellite communications play a vital role in the global ... , mobile reception equipment in aircraft, satellite telephones, and handheld devices. ...
Sketch the block diagram of FM receiver. Last Answer : Block diagram of FM receiver ...
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