Q. When does over-modulation occur?

View solution

Q. What is the condition for greatest output power at the transmitter without distortion?

View solution

Q. What is the modulation index value if Vmax=5.9v and Vmin=1.2v?

View solution

Q. Which of the following modulating signal voltage would cause over-modulation on a carrier voltage of 10v?

View solution

Q. What is the modulating signal voltage if the maximum and the minimum voltages on the wave was observed to be 5.9v and 1.2v respectively?

View solution

Q. What is the wave of frequency that occurs at the sum and difference of the carrier and modulating signal is called?

View solution

Q. What type of display will give us clear information on the signal if it is made up of different frequencies?

View solution

Q. What is the upper sideband frequency if the carrier frequency and the modulating signal frequency is 30 KHz and 80 Hz respectively?

View solution

Q. What is the maximum carrier frequency to be used if the upper limit frequency that is available is 4000 Hz and the frequency of the modulating signal is 100 Hz?

View solution

Q. What is the instrument that is used to represent the frequency domain of the signal?

View solution

Q. What is the bandwidth of the signal if the upper sideband frequency and the lower sideband frequency are 7350 KHz and 7210 KHz respectively?

View solution

Q. What is the bandwidth of the signal if the highest frequency in the modulating signal is 3 KHz?

View solution

Q. If an AM signal is transmitted at a frequency of 990 KHz and the and is allowed to transmit modulating frequencies up to 5 Khz, What is the maximum upper sideband that is produced?

View solution

Q. Square waves are made up of numerous Fundamental sin waves.

View solution

Q. Where is ASK used?

View solution

Q. Which of the following is an example of CW transmission?

View solution

Q. What is harmonic sideband interference known as?

View solution

Q. What is the total power if the carrier power is 30 W and the percentage of modulation is 85%?

View solution

Q. What is the power in each sideband if the carrier power is 30 W and percentage of modulation is 85%?

View solution

Q. What is the percent of modulation if the power in the side band is 5 W and carrier power is 30 W?

View solution