This telephone amplifier circuit saves the trouble of holding the telephone handset while talking. It is also very useful when a group of people want to listen to the telephone […]

Quadraphonic Sound System (4 channel Sound) circuit is the most sophisticated sound system and gives a true feeling of music. Monophonic sound system is the simplest of all the audio […]

This simple 20 watt amplifier circuit can be easily built at home using TDA2005 IC [You can also use TDA2004]. The procedure not complex and at the end you will […]

This simple radio circuit is in essence a crystal radio having an audio amplifier that is definitely pretty sensitive and obtains a number of powerful programs in a given area by […]

The following is a small transistor amplifier circuit much like you will probably find in a compact transistor car radio. The source stage is biased to ensure the source voltage […]

The circuit diagram of the LM4910 stereo headphone amplifier is witnessed above. C1 and C2 are actually the input DC decoupling capacitors for the left together with right input channels. […]