Analog Pulse Modulation » Exercise - 17. Which of the following pulse modulating system analog ? (a) PCM (b) PWM (c) Both a and b (d) None of the above
Analog Pulse Modulation » Exercise - 1 14. For the transmission of normal speech, the PCM channel needs a bandwidth of .... kHz (a) 2 (b) 4 (c) 16 (d) 64
Analog Pulse Modulation » Exercise - 19. The main advantage of PCM system is : (a) Lower bandwidth (b) Lower power (c) Lower noise (d) None of the above
Amplitude Modulation » Exercise - 1 11. In an AM transmitter after the modulation stage class C amplifier : (a) Can be used (b) Can not be used (c) Either of the above (d) Both a and b
Amplitude Modulation » Exercise - 12. Maximum undistorted power output of a transmitter can be expected when its modulation is - (a) 50% (b) Between 50% and 90% (c) 100% (d) More than 100%