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| 1. |
A sequential multiplexer is connected as shown in figure. Each time the multiplexer receives the clock, it switches to the next channel from 6 to 1. If the input signals are :A = 10 cos 2(4 x 10t)B = 15 cos 2(5 x 10t)C = 20 cos 2(6 x 10t)D = 10 cos 2(10 x 10t)The minimum clock frequency should be __________ kHz. |
| Answer» Minimum clock freq. = 2fm Where fm is highest freq. component = 2 x 10 kHz = 10 kHz. | |