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Simple Small Amplifier Circuit using Transistors

Last updated on 1 July 2025 by Admin-Lavi Leave a Comment

This is one Simple Small Amplifier Circuit using Transistors which work like basic audio amplifier. It makes weak sound signal more strong so sound come better like in car radios. Now lets see how this circuit is build and how it work. Circuit Working: Parts List: Category Component Quantity Resistors 100k 1/4W CFR 1 1k […]

Filed Under: Amplifier Circuits, Transistor Circuits

220V SMPS Circuit using One Transistor

Last updated on 28 June 2025 by Admin-Lavi Leave a Comment

This article tell how to make 220V SMPS Circuit using One Transistor, it connect to wall socket of 220V and only uses one transistor called MJE13005. No need for special chip or many extra parts to the control power. It uses one special diode and wire coil on transformer to control voltage in different way. […]

Filed Under: Power Supply Circuits, Transistor Circuits

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