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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 20
An SSB transmitter transmits on the USB with a (suppressed) carrier frequency of 7.2 MHz. It is modulated by two tones, with frequencies of 1 kHz and 2.5 kHz and equal amplitude. The transmitter PEP is 75 W into a 50 load. The carrier and unwanted sideband are each suppressed by 60 dB.
(a) Calculate the peak voltage across the load.
(b) Calculate the average power into the load.
(c) Sketch the signal envelope in the time domain, showing voltage and time scales.
(d) Sketch the signal in the frequency domain, showing frequency and power scales.
(a) Calculate the peak voltage across the load.
(b) Calculate the average power into the load.
(c) Sketch the signal envelope in the time domain, showing voltage and time scales.
(d) Sketch the signal in the frequency domain, showing frequency and power scales.
Explanation
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Verified
The carrier frequency is
.
The messag...
Electronic Communication Systems 2nd Edition by Roy Blake
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