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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 45
An AM signal consists of a 10 MHz carrier modulated by a 5 kHz sine wave. It has a maximum positive envelope voltage of 12 V and a minimum of 4 V.
(a) Find the peak voltage of the unmodulated carrier.
(b) Find the modulation index and percent.
(c) Sketch the envelope.
(d) Write the equation for the signal voltage as a function of time.
(a) Find the peak voltage of the unmodulated carrier.
(b) Find the modulation index and percent.
(c) Sketch the envelope.
(d) Write the equation for the signal voltage as a function of time.
Explanation
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Refer to equations 3.7 and 3.8 in the te...
Electronic Communication Systems 2nd Edition by Roy Blake
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