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1. |
A non-periodic composite signal has a bandwidth of 440 kHz. With a middle frequency of 600 kHz and a peak amplitude of 100 V. The two extreme frequencies have an amplitude of 20 V Determine the lowest and the highest frequencies. |
A. | 450 kHz and 890 kHz, respectively. |
B. | 360 kHz and 800 kHz, respectively. |
C. | 380 kHz and 820 kHz, respectively. |
D. | 400 kHz and 840 kHz, respectively. |
Answer» D. 400 kHz and 840 kHz, respectively. | |