|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.|
Compare ASK, FSK and PSK.
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