ELL727 weekly quiz-6

The minimum channel bandwidth required to transmit a 1-MHz signal, sampled at twice the Nyquist rate and quantized to 256 levels, using 16-ASK digital carrier modulation is

• 2 MHz

• 4 MHz

• 8 MHz

• 16 MHz

The minimum channel bandwidth required to transmit a 50-kHz signal, sampled at the Nyquist rate and quantized to 256 levels, using binary FSK modulation with f_c1 - f_c0 = 800-kHz is

• 0.8 MHz

• 1.2 MHz

• 1.6 MHz

• 2 MHz