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Amplifier Circuits

Cable TV Amplifier Circuit

Last updated on 15 May 2026 by Admin-Lavi Leave a Comment

Cable TV Amplifier Circuit uses small wire to send signal, but when signal goes far it become weak; like small radio, cable TV amplifier make signal strong again. Also, this circuit helps people get better and clear picture. Circuit Working: Parts List: Components Quantity Resistors (All resistors are 1/4 watt) 680Ω 1 820Ω 1 75Ω […]

Filed Under: Amplifier Circuits

70 Watt Audio Amplifier Circuit

Last updated on 15 May 2026 by Admin-Lavi Leave a Comment

70 Watt Audio Amplifier Circuit teaches us about one amplifier circuit, which makes sound louder using special parts call MOSFETs which is the type of transistor. Why this transistor is good for amplifier: Note: This circuit is little hard to make than the other projects. Circuit Working: Parts List: Components Quantity Resistors (All resistors are […]

Filed Under: Amplifier Circuits, Audio Circuits

Cellphone Triggered Car Amplifier Auto Mute Circuit

Last updated on 12 May 2026 by Admin-Lavi Leave a Comment

This article for Cellphone Triggered Car Amplifier Auto Mute Circuit show how to make one simple circuit, like when phone ring it turns OFF the car music by itself. So no need to rush or search button to stop music when call is coming. What is a Cellphone Triggered Car Amplifier Auto Mute Circuit: The […]

Filed Under: Amplifier Circuits, Automation Circuits, Automobile Circuits, Hobby Circuits, Sensors and Detectors

300 Watt Power Amplifier Circuit using Transistors

Last updated on 12 May 2026 by Admin-Lavi Leave a Comment

Hey music lovers! Want your speaker sound REALLY loud? then this 300 Watt Power Amplifier Circuit using Transistors show how to make very strong amplifier circuit. Here, the circuit can give 300 watt sound with 8 ohm speaker or even more power with 4 ohm speaker. WARNING: Be careful, this circuit uses high voltage and […]

Filed Under: Amplifier Circuits, Audio Circuits, Transistor Circuits

100 Watt Amplifier Circuit using IC LM12

Last updated on 12 May 2026 by Admin-Lavi Leave a Comment

To begin with, this article discuss how to make 100 Watt Amplifier Circuit using IC LM12, where there is no need of many parts or costly wires; we just need to follow some easy step and can get nice and powerful sound. Also, this 100 watt amplifier is small and is build easy and is […]

Filed Under: Amplifier Circuits, Audio Circuits, DIY Projects

Simple Contact MIC Circuit

Last updated on 12 May 2026 by Admin-Lavi Leave a Comment

Simple Contact MIC Circuit is special mic, it can record weird sound when we put it in different things; also if we give it small electric power it can even make sound by itself. We can use a contact mic and a simple wire setup to make a normal guitar sound like an electric guitar […]

Filed Under: Amplifier Circuits, Audio Circuits, DIY Projects, Sensors and Detectors

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