Problem 4: a. For a Communications system with capacity of 400 kbps and SNR = 35dB and a lower frequency of 0.25 kHz find the Upper frequency? b. What is the channel capacity for signal power of 250 W, noise power of 50 W, and bandwidth of 3 MHz? c. What is the channel capacity when the S'N ratio is doubled but the bandwidth is reduced by a factor of 5?

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Problem 4:
a. For a Communications system with capacity of 400 kbps and SNR = 35DB and a lower frequency
of 0.25 kHz find the Upper frequency?
b. What is the channel capacity for signal power of 250 W, noise power of 50 W, and bandwidth of
3 MHz?
c. What is the channel capacity when the S'N ratio is doubled but the bandwidth is reduced by a factor
of 5?
Transcribed Image Text:Problem 4: a. For a Communications system with capacity of 400 kbps and SNR = 35DB and a lower frequency of 0.25 kHz find the Upper frequency? b. What is the channel capacity for signal power of 250 W, noise power of 50 W, and bandwidth of 3 MHz? c. What is the channel capacity when the S'N ratio is doubled but the bandwidth is reduced by a factor of 5?
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