Phase Modulation

This is an MCQ-based quiz on Phase Modulation.

This includes Modulating frequency and Voltage.

Start Quiz

In PM the information is transmitted using _______ .

Change in frequency Change in amplitude Change in phase of the carrier None of the above

FM can be generated using PM by _______ .

Passing the modulating signal through a high pass filter Passing the modulating signal through a low pass filter Using the pre-emphasis Using the de-emphasis

In FM the carrier deviation is determined by ________

Frequency Modulation Amplitude Phase

If the output power of radio receiver is doubled then the volume is increased by _________

3 dB 2 dB -3 dB -2 dB

Padder capacitor can be used to achieve three point tracking.

True False

Most of the amplification of the received signal is obtained in a superheterodyne receiver from ________ stage.

IF RF Power Amplifier Local Oscillator

Which of the following receiver does not have an amplitude limiter stage?

AM PM FM Both AM and FM

In systems, pre-emphasis is used to amplify ________

High frequency

Low frequency

Phase

Amplitude

If selectivity is poor then the receiver has poor _________

Sensitivity

Diverse reception

Blocking

Fidelity

In AM receiver, the oscillator frequency is always ________

Lower than signal frequency

Higher than signal frequency

Equal to signal frequency

Equal to 1KHz

Quiz/Test Summary

Title: Phase Modulation

Questions: 10

Contributed by:

Diego Wed, Mar 30, 2022 07:17 AM UTC

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