Advantages, disadvantages and application of PCM (pulse code modulation)

There are some important advantages of PCM(pulse code modulation) which are given below,

• The PCM (pulse code modulation) convenient for long distance communication.
• It has a higher transmitter efficiency.
• It has a higher noise immunity.

There are some disadvantages of PCM (pulse code modulation) which are given below,

• The PCM (pulse code modulation) requires large bandwidth as compared to analog system.
• Encoding, decoding and quantizing circuit of PCM is very complex.

There are some applications of PCM (pulse code modulation) which are given below,

• The PCM is used in the satellite transmission system.
• It is used in space communication.
• It is used in telephony.
• The compact disc (CD) is a recent application of PCM.