17. A 2 MHz signal encodes digital data into signal pulses. If each pulse has 4...
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17. A 2 MHz signal encodes digital data into signal pulses. If each pulse has 4 signal levels, what is the transmission bit rate of the signal? 18. 19. 20. A. 4 Mbps. B. 6 Mbps. C. 8 Mbps. D. 10 Mbps. The maximum bit rate of a M-level digital signal transmitting through a medium with a channel bandwidth of W Hz and signal-to-noise ratio SNR is A. 2W logM B. W log (1+SNR) (1+ SNR C. D. M log (1+SNR) Multimode as compared to single mode fibre is characterised by. A. Multiple light source. B. Smaller diameter fiber core. C. Diffused light transmission. D. Higher transmission wavelength. A transmission link has an attenuation of 10 dB. If the received signal at the end of the transmission link is -10 dBm, what should be the transmitted signal power? A. 1 W. B. 1 mW. C. 1 W. D. 1 kW. 17. A 2 MHz signal encodes digital data into signal pulses. If each pulse has 4 signal levels, what is the transmission bit rate of the signal? 18. 19. 20. A. 4 Mbps. B. 6 Mbps. C. 8 Mbps. D. 10 Mbps. The maximum bit rate of a M-level digital signal transmitting through a medium with a channel bandwidth of W Hz and signal-to-noise ratio SNR is A. 2W logM B. W log (1+SNR) (1+ SNR C. D. M log (1+SNR) Multimode as compared to single mode fibre is characterised by. A. Multiple light source. B. Smaller diameter fiber core. C. Diffused light transmission. D. Higher transmission wavelength. A transmission link has an attenuation of 10 dB. If the received signal at the end of the transmission link is -10 dBm, what should be the transmitted signal power? A. 1 W. B. 1 mW. C. 1 W. D. 1 kW.
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Related Book For
Pearson Edexcel A Level Mathematics Pure Mathematics Year 2
ISBN: 9781292183404
1st Edition
Authors: Greg Attwood, Jack Barraclough, Ian Bettison, David Goldberg, Alistair Macpherson, Joe Petran
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