___________ is a technique whereby a number of independent signals can be Combined into a composite signal suitable for transmission over a common channel
The Modulation index of an AM Wave is changed from 0 to 1. The transmitted power is _________
In _______ the sample values of the analog waveform are used to determine the width of the pulse signal
_________ is the equipment which converts physical message, such as sound, words, pictures etc., into corresponding electrical signal
___________ is simply two single ended slope detectors connected in parallel and fed 180o out of phase
In __________ communication , the media of transmission is a pair of conductors called transmission line
It is possible to obtain PPM from PWM by using a ________multivibrator circuit
In _________ communication transmission media is open space or free space
Which of the following are the types of FM Detectors
Which of the following are the disadvantages of Slope detector
__________ is equipment which converts electrical signal back to the physical message
Power in an FM signal is dependent on __________
A child while coming home from his school first goes 4 kms towards south-east, then 8 kms toward west. He then goes 4 kms towards north-west. In which direction is he from his school