The output voltage of an AM transmitter is 40 V when sinusoidally modulated to a depth of 100%. Calculate the voltage at each side frequency when the modulation depth is reduced to 50%.
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The output voltage of an AM transmitter is 40 V when sinusoidally modulated to a depth of 100%. Calculate the voltage at each side frequency when the modulation depth is reduced to 50%.
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- If you check the voltage at one-half wavelength from the end of an RF transmission line, what voltage would you measure? A. Peak B. Infinite C. Minimum D. ZeroWhen a broadcast AM transmitter is 50 percent modulated, its antenna current is 12 A. What will the current be when the modulation depth is increased to 0.9?the antenna current of an am transmitter is 11A when an modulated but increase to 14A when modulated find the percent modulation.
- An AM transmitter is modulated by two sine waves at 1 kHz and 2.5 kHz, with modulation of 25 percent, and 50 percent respectively, what is the effective modulation index.A frequency modulation broadcasting transmitter has a deviation of 20 kHz and a modulating frequency of 10 kHz. The total power of the transmitter is 15 Watts. If the carrier and 2 of the sidebands were only considered, the power that is unaccounted for is ___ Watts.In an AM transmission system the transmitter current was found to be 9.A. If the carrier signal is the only one to be sent and later increases to 10.72 A. Also if the carrier is modulated by a single sinusoidal wave, compute the percentage modulation. Again find the current of the antenna if the percentage of modulation changes 85%.
- (c) An AM radio transmitter operating on 3.9 MHz is modulated by frequencies up to 4kHz.(i) What are the range of the upper and the lower side frequencies? (ii) What is the total bandwidth of the AM signal?An AM transmitter antenna current is measured with no modulation and found to be 2.6 amperes. With modulation, the current rises to 2.9 amperes. The percent modulation isWhen an antenna is transmitting an unmodulated carrier, it has a current of 8 A and when it transmits AM waveform, the current is 8 93 A. What will be the modulation index?
- I need it asap A 2 kHz audio signal modulates a 50 MHz carrier, causing a frequency deviation of 2.5 kHz. Determine the bandwidth of the FM signal.A 5 kHz audio tone is used to modulate a 50 MHz carrier causing a frequency deviation of 20 kHz.Determine:a. The modulation index b. The bandwidth of the FM signal using Carson RuleAn FM broadcast station produces a carrier swing of 90 kHz. Calculate the percentage modulation. Use max frequency deviation as per FCC rule of 75 kHz.