3. (TCO 3) Answer the question with respect to the block diagram for SSB transmitter.
(a) Draw the frequency spectrum at the output of first balanced modulator.
(b) If the filter is a low-pass filter, draw the frequency spectrum at the output of filter and amplifier.
(c) Draw the frequency spectrum at the output of second balanced modulator.
(d) Find the value for required Q for the first filter.