A low voltage digital device has a low state of 0 V and a high state of 1.8 V. It generates a signal train of high pulses at a rate of 1 MHz, these pulses having a 10 ns width and transition times of 100 ps.
(a) Plot the upper bound of its harmonic components up to 10 GHz.
(b) Determine the amplitudes of the third and 101st harmonics.
(c) Determine the signal bandwidth.