Tips and Tricks on Principles of Communication


 


1
In satellite communications uplink and downlink frequencies differ. Downlink frequency being slightly higher.



2
Pulse modulation is of two types analog and digital. PCM which is being used in current communications is a perfect example of Digital modulation.



   3
A rectifier with peak detection is used in the AM wave detection and FM detection is achieved by an LC circuit tuned at off resonant frequency


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