Audio Circuits

A simple fiber optic intercom communication systems to home use. Video Door Phone Intercom is going to happen in the future. or Meetings monitor route. Read more

The Dynamic Microphone Preamplifier circuit. So low noise signal,use three transistor (2SC945, or 2C1815 or 2SC828) is transistor amplifier with a low noise […] Read more

This is the Melody and Music tone generator circuit which I think is useful for adding color in the electronic work is good, Can be applied to sound an alarm, or assembly electronic projects very well. An examples circuit that I suggest, is a switch for adjusting the sound more, it is not boring, these … Read more

SEE a lot of Small IC Power Amplifier Circuits, You will love them! Read more

I like to collect many circuits, including the simple audio amplifier circuit diagrams using transistors, too. Although we currently use ICs very much. Because it is small, convenient and cheap. It is convenient to use transistors. But the transistor circuit is still interesting to learn, and still charming in its uniqueness. When you need to … Read more