Block Diagram Of Practical Power Amplifier. The practical op amp has the following characteristics. Aerial picks up radio signals from many stations.

Special emphasis is given to factors like performance reliability ruggedness etc while designing a practical audio power amplifier. Here we will modulate the strength of the voice so it is voice amplification. The power amplifier is concerned with driving the load.

Tuner selects the signal from just one radio station.

Tuner selects the signal from just one radio station. We already have a detailed article on operational amplifier. Special emphasis is given to factors like performance reliability ruggedness etc while designing a practical audio power amplifier. Practical amplifier diagrams author.