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Compare ASK, FSK and PSK.
1 Answer
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ASK FSK PSK
1] Information is in amplitude variations. Information is in frequency variations. Information is in phase variations.
2] Less Bandwidth as compared. More Bandwidth as compared. Less to moderate Bandwidth.
3] Poor Noise immunity. Better Noise immunity. Better Noise immunity.
4] Synchronization is not required. Synchronization is not required. Synchronization is essential.
5] Effect of DC is more. Effect of DC component is less. Effect of DC component is less.
6] More power required. Moderate power required. Less-moderate power required.
7] Low bit rate application Moderate bit rate application. High bit rate application.
8] Simple Implementation. Moderately complex Implementation. Very complex Implementation.
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