Welcome to Modulation. The quiz will randomly run 20 questions from Modulation which you have to answer in 10 minutes.
After 10 minutes, your quiz will automatically be submitted and scored.
You can retake the quiz as many times as you want and a different set of questions will be given. The answers will also be randomly arrange.
Please click START QUIZ to start.
The modulation index of an AM wave is changes from 0 to 1. The transmitter power is?
What is the main function of a balanced modulator?
For _____ percent modulation in AM, the modulation envelope has a peak value double the unmodulated carrier level.
If the percentage of modulation of an AM amplifier is 88% and the modulation signal is 1 volt, the carrier has an amplitude of _____.
Operating method in which the transmission is made alternately in each direction of a telecommunication channel.
If a 7-A carrier is modulated 100% by a sinusoidal tone, how much does the antenna current increase?
What is the carrier swing of an FM transmitter when modulated by 75%?
A form of single sideband emission where the degree of carrier suppression enables the carrier to be reconstituted and be used for demodulation
What produces splatter in an AM transmission?
The PM signal produces by an FM circuit is called
The modulated carrier power in FM
What is the approximate bandwidth of an FM with a modulation factor of 12.5 and a modulating frequency of 10 kHz?
What is an application for vestigial sideband transmission
The power in FM _____ as the modulation index increases.
In the designation of bandwidth and emission, what letter in the symbol represents a double-sideband of modulation
Refers to the first symbol in an emission designation with an amplitude modulated main carrier represented by letter A.
In SSB transmission, which sideband can be eliminated?
What is the main problem in receiving a suppressed carrier transmission or a single sideband transmission?
An indirect method of generating FM is a
In what classes are SSB linear amplifiers operated
Thank you for trying out Modulation. If you comments on the quiz or on our site, please provide your comment.