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Electronic Communication Systems 2nd Edition by Roy Blake
Edition 2ISBN: 978-0766826847Electronic Communication Systems 2nd Edition by Roy Blake
Edition 2ISBN: 978-0766826847 Exercise 37
(a) An AM transmitter has a carrier power of 50 W at a carrier frequency of 12 MHz. It is modulated at 80% by a 1 kHz sine wave. How much power is contained in the sidebands
(b) Suppose the transmitter in part (a) can also be used to transmit a USB signal with an average power level of 50 W. By how much (in decibels) will the signal-to-noise ratio be improved when the transmitter is used in this way, compared with the situation in part (a)
(b) Suppose the transmitter in part (a) can also be used to transmit a USB signal with an average power level of 50 W. By how much (in decibels) will the signal-to-noise ratio be improved when the transmitter is used in this way, compared with the situation in part (a)
Explanation
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(a)
The power contained in sidebands (bo...
Electronic Communication Systems 2nd Edition by Roy Blake
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