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Electronic Communication Systems 2nd Edition by Roy Blake
النسخة 2الرقم المعياري الدولي: 978-0766826847Electronic Communication Systems 2nd Edition by Roy Blake
النسخة 2الرقم المعياري الدولي: 978-0766826847 تمرين 28
An AM waveform can be described by the following equation. It appears across a 50 ohm resistor.
v ( t ) = [15 + 6 sin (6 × 10 3 t )] sin (200 × 10 6 t ) V
(a) What is the modulation index for this signal
(b) Sketch this signal in the frequency domain showing frequency and voltage scales.
(c) Find the total average power in this signal if it appears across a 50 ohm resistor.
v ( t ) = [15 + 6 sin (6 × 10 3 t )] sin (200 × 10 6 t ) V
(a) What is the modulation index for this signal
(b) Sketch this signal in the frequency domain showing frequency and voltage scales.
(c) Find the total average power in this signal if it appears across a 50 ohm resistor.
التوضيح
موثّق
موثّق
(a)
The AM waveform is,
…… (1)
The gen...
Electronic Communication Systems 2nd Edition by Roy Blake
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