a) A channel has a S/N Ratio of 30 dB. Find the ratio C/B of this channel where C= channel capacity and B = bandwidth of the channel.

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a) A channel has a S/N Ratio of 30 dB. Find the
ratio C/B of this channel where C= channel
capacity and B = bandwidth of the channel.
b) The thermal noise power (Pn) available from a
resistor (R) is equal to -140 dBm. If the thermal
noise voltage across the resistor is 56.57 nano
volts, find the value of the resistor.
Transcribed Image Text:a) A channel has a S/N Ratio of 30 dB. Find the ratio C/B of this channel where C= channel capacity and B = bandwidth of the channel. b) The thermal noise power (Pn) available from a resistor (R) is equal to -140 dBm. If the thermal noise voltage across the resistor is 56.57 nano volts, find the value of the resistor.
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