The spectrum of a band pass signal spans from 20 kHz to 30 kHz. The signal can be recovered ideally from the sampled values when the sampling rate is at least:

The spectrum of a band pass signal spans from 20 kHz to 30 kHz. The si

1.	The spectrum of a band pass signal spans from 20 kHz to 30 kHz. The signal can be recovered ideally from the sampled values when the sampling rate is at least:
A.	20 kHz
B.	60 kHz
C.	50 kHz
D.	40 kHz
Answer» B. 60 kHz