Write 10 Differences between AM,FM,PM modulation.
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- What is the main feature in AM modulation , that is used to judge if the modulation is good or not ? Explain with examples .Calculate the offset for the physical address 00062 H and segment address FFFFH,For an efficient communication in PCM system, the number of samples per second must be at most be equal to twice the highest modulating frequency.a. A very important considerationb. No, it must be at least equal to twice the highest modulating frequencyc. 80-50 percent true
- Determine: a.) peak frequency deviation; b.) carrier swing; c.) modulation index for an FM modulator with a deviation sensitivity of 4 kHz/V and a modulating signal vm(t) = 10sin(5000πt).1a. Why is the input impedance to a JFET so high? b. Why is the terminology field effect appropriate for this important three- terminal device?Define angle modulation and list its subcategories.