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Simple Small Amplifier Circuit using Transistors

Last updated on 24 April 2025 by Admin-Lavi Leave a Comment

The simple small amplifier circuit using transistors functions as a basic audio amplifier designed to amplify weak signals and enhance the audio experience particularly in car radios. Let us find out into the working and construction details of this circuit: Circuit Working: Parts List: Category Component Quantity Resistors 100k 1/4W CFR 1 1k 1/4W CFR […]

Filed Under: Amplifier Circuits, Transistor Circuits

Simple 220V SMPS Circuit using One Transistor

Last updated on 16 April 2025 by Admin-Lavi Leave a Comment

This article shows you how to build a simple power supply circuit that plugs into the wall outlet 220V and uses only one transistor MJE13005. It does not need any fancy chips or extra parts to control the power. Instead of those parts it uses a special diode and a winding on the transformer to […]

Filed Under: Power Supply Circuits, Transistor Circuits

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