For an FM modulator with a modulation index m = 2.5, a modulating signal vm(t) =...
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For an FM modulator with a modulation index m = 2.5, a modulating signal vm(t) = Vm sin(272000t), and an unmodulated carrier v.(t) = 6 sin (27600kt), For the FM output, calculate the side frequencies? i. ii. Draw a frequency spectrum showing their relative amplitudes? Outline the importance of a limiter circuit within FM receiver? (2 Marks) (2 Marks) (6 Marks) For an FM receiver with an input frequency deviation Af = 40kHz and the transfer ration K=0.01 V/kHz, determine Vout. For an FM modulator with a modulation index m = 2.5, a modulating signal vm(t) = Vm sin(272000t), and an unmodulated carrier v.(t) = 6 sin (27600kt), For the FM output, calculate the side frequencies? i. ii. Draw a frequency spectrum showing their relative amplitudes? Outline the importance of a limiter circuit within FM receiver? (2 Marks) (2 Marks) (6 Marks) For an FM receiver with an input frequency deviation Af = 40kHz and the transfer ration K=0.01 V/kHz, determine Vout.
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