The following figure shows a wideband FM transmitter, which consists of a narrowband FM generator, a x5 frequency multiplier, an up-converter (an oscillator followed by a bandpass filter), and another x3 frequency multiplier. x(t) Narrowband A Frequency B с FM Generator Multiplier x5 Filter Bandpass D Frequency E s(t) Multiplier Oscillator An audio signal x(t), having a signal bandwidth of 1.5 kHz, is fed into the narrowband FM generator and the narrowband FM signal obtained at point A has a carrier frequency of 16 MHz and a peak frequency deviation of 0.9 kHz. The desired output carrier frequency of the wideband FM signal, s(t), is 327 MHz. (a) Determine the frequency of the oscillator. (b) Determine the carrier frequency and the peak frequency deviation for the FM signals at points B and D. (c) Determine the carrier frequency and the bandwidth required for the bandpass filter, which is centered around the carrier frequency. (d) Determine the bandwidth of the output wideband FM signal s(t).