Below are the answers key for the Multiple Choice Questions in Modulation Part 18.
851. Modulation
852. The carrier frequency changes.
853. Demodulation
854. Modulator
855. Multiplication
856. The modulation index
857. Information signal is distorted
858. m = 1
859. Envelope
860. Vm > Vc
861. 80.6%
862. Sidebands
863. 876.5 and 883.5 kHz
864. Frequency Domain
865. Carrier
866. 1.6 W
867. 25%
868. 85 W
869. 70%
870. 507 W
871. Sidebands
872. DSB
873. One sideband
874. Less spectrum space is used
875. Depends upon the use
876. 300 Hz to 3 kHz
877. 9 kHz
878. Frequency-shift keying
879. Frequency conversion
880. Convertor
881. 3.2 MHz
882. Pulse code modulation
883. 769.2 W
884. Peak envelope power
885. Independent sideband emission
886. Analog multiplication
887. Tuned circuit
888. Having the carrier vary a resistance
889. Variable resistance
890. PIN diode
891. Low-level modulation
892. 96 V
893. 12 W
894. Demodulator
895. Diode mixer
896. Balanced modulator
897. Both a and b
898. Lattice Modulator
899. Switches
900. DSB
Questions and Answers in Modulation Series
Following is the list of multiple choice questions in this brand new series:
Complete List of MCQ in Communications Engineering per topic
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