Question

the frequency deviation in FM will be maximum when cos wmt is​

Answer 1

Answer:

ÕEM (t) = 4 cos (21 100 t + 2 sin (271 103 t) + 4 sin ( 41 10t)). ... (2) If the angle modulated signal is an FM signal with a frequency deviation constant of 47 ... MHz and a (peak) frequency deviation of 100 kHz .

Answer 2

Explanation:

b = Df/fm , where fm is the maximum modulating frequency used. The simplest interpretation of the modulation index, b, is as a measure of the peak frequency deviation, Df. In other words, b represents a way to express the peak deviation frequency as a multiple of the maximum modulating frequency, fm, i.e. Df = b fm.