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[ May 8, 2019 ] Automatic emergency lighting Circuit Light Circuits
[ April 17, 2018 ] Simple Audio Amplifier/Oscilator Circuit with Two Transistors Audio Circuits
[ November 18, 2017 ] Portable Headphone Amplifier Circuit Based 3 Transistors Amplifier Circuits
[ November 18, 2017 ] 315 Watt Class D Power Amplifier Circuit Amplifier Circuits
[ November 17, 2017 ] Low Impedance Microphone Amplifier Circuit Amplifier Circuits

Automatic emergency lighting Circuit

This unit charges a nickel-cadmium battery from the mains to provide a standby power supply for emergency lighting in the event of a mains fail- ure. When the mains supply drops out, the light- ing […]

simple audio amplifier circuit with two transistors

Simple Audio Amplifier/Oscilator Circuit with Two Transistors

This circuit has two main functions, namely as an audio amplifier and as an oscillator. J1 is a standard 3.5 mm jack connector. The transformers used in this circuit are Argonne AR-164, Thordarson TR-114, or […]

Portable Headphone Amplifier Circuit Based 3 Transistors

This simple headphone amplifier circuit can be directly connected to other compact devices such as CD player, Walkman, Tuners and tape recorder. In theory, the series of headphones amplifier circuit is able to work well […]

315 Watt Class D Power Amplifier Circuit

This amplifier circuit is IC-based TAS5261. which system used is “bridge digital amplifier”. This amplifier has 315 Watt output per channel with an efficiency of 96%. With good efficiency, this amplifier is perfect for use […]

Low Impedance Microphone Amplifier Circuit

This circuit is a microphone amplifier that has low impedance. Usually, a microphone with low impedance is in a dynamic microphone. This microphone amplifier circuit can work well at 6 VDC voltage up to 30 […]