QUESTION 61 Q61: The baseband bandwidth of commercial voice is 3.4 kHz. What would the 'guard band' of the sampled data be if it was sampled at 8 kHz? (a) 0.6 kHz (b) 1.2 kHz a. O b. O c. O d. O e. (c) 3.4 kHz (d) 4.6 kHz (e) 11.4 kHz QUESTION 62 Q62: The maximum sampling frequency of a sampling circuit is 16 kHz. What would the maximum sampled frequency of an analogue signal be if the sampling theorem is observed? (a) 4 kHz O a. O b. O c. O d. O e. (b) 8 kHz (c) 16 kHz (d) 32 kHz QUESTION 63 Q63: What is the quantization error in a 10-bit unipolar, 5 V FSR, ADC? (a) 1.22 mV O a. O b. O c. O d. O e. (b) 2.44 mV (c) 4.88 mV (e) 64 kHz (d) 9.77 mV (e) 19.53 mV QUESTION 64 Q64: What is the 'actual' step size of a certain 12-bit unipolar ADC whose nominal FSR is 8V? (a) 12.23 mV (b) 24.43 mV (c) 1.04 mV O a. O b. O c. O d. O e. (d) 2.5 mV (e) 1.95 mV