Compare narrow band FM with wide-band FM w.r.t. following points. (i) Modulation index (ii) Maximum deviation (iii)Range of modulating frequency (iv)Application

Compare narrow band FM with wide-band FM w.r.t. following points. (i) Modulation index (ii) Maximum deviation (iii)Range of modulating frequency (iv)Application
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1 Answer

Answer :

Sr. No
Parameters
Narrow band FM
Wide band FM
1 Modulation index
Less than or slightly greater than 1
Greater than 1 
2 Maximum deviation
5 KHz
75 KHz
3 Range of modulating frequency
30Hz to 3 KHz
30Hz to 15 KHz
4 Application
FM mobile communication like police wireless, ambulance etc.
Entertainment broadcasting can be used for high quality music transmission 
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