Compare binary ASK, FSK &PSK modulation techniques 

1 Answer

Answer :

Sr. No
Parameter
Binary ASK
Binary FSK
Binary PSK
1 Variable Characteristic
Amplitude
Frequency
Phase
2 Maximum bandwidth(Hz)
2fb
5 fb /3
2fb
3 Noise immunity
low
high
high
4 Error probability
high
low
low
5 Performance in presence of noise
poor
Better than ASK
Better than FSK
6 Complexity
Simple
Moderately complex
Very complex
7 Bit rate
Suitable upto 100 bits/sec
Suitable upto about 1200 bits/sec
Suitable for high bit rates
8 Detection method
Envelope
Envelope
Coherent

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