Example 7.12 An AM transmitter has a carrier power of 1 kW at a car of 10 MHz. It operates into an antenna with an impedance of 50 ohm resistive. It is modulated withm 0.5, by a sine wave with a frequency of 1 kHz. PC = 1CHZ %3D (a) Find: (i) the signal bandwidth fc = lo MHZ (ii) the total signal power R= 50R (iii) the RMS voltage of the signal fm=1k (iv) the peak signal voltage (b) sketch the signal in the time domain (c) sketch the signal in the frequency domain

Example 7.12 An AM transmitter has a carrier power of 1 kW at a car of 10 MHz. It operates into an antenna with an impedance of 50 ohm resistive. It is modulated withm 0.5, by a sine wave with a frequency of 1 kHz. PC = 1CHZ %3D (a) Find: (i) the signal bandwidth fc = lo MHZ (ii) the total signal power R= 50R (iii) the RMS voltage of the signal fm=1k (iv) the peak signal voltage (b) sketch the signal in the time domain (c) sketch the signal in the frequency domain

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter25: Television, Telephone, And Low-voltage Signal Systems

Section25.1: Television Circuit

Problem 7R

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