Compare narrow band FM with wide band FM.

Compare narrow band FM with wide band FM.
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1 Answer

Answer :

Narrow band FM
Wide band FM
1 .Modulation Index is less than or slightly greater than 1. 
1. Modulation Index is greater than 1. 
2.Maximum deviation is 5 KHz.
2. Maximum deviation is 75 KHz.
3.Range of modulating frequency is 30 Hz to 3KHz
3. Range of modulating frequency is 30 Hz to 15KHz
4. Bandwidth is small approximately same as that of AM. 
4. Bandwidth is large about 15 times higher than bandwidth of Narrow band FM.
5.Application:-FM mobile communication like police wireless, ambulance etc.
5. Application:-Entertainment broadcasting.
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