MCQOPTIONS
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MCQOPTIONS
| 1. |
The minimum input signal that gives output signal to noise ratio of 10 dB in a system that has an input impedance equal to 50 Ω, a noise figure of 4 dB and bandwidth of 100 KHz is:[10.log (kTo) = -174 dBm] |
| A. | 0.32 μV |
| B. | 1.41 μV |
| C. | 0.245 μV |
| D. | None of the above |
| Answer» C. 0.245 μV | |