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Using Clever Techniques to Convert a Passive Audio Filter Into an Active Filter

Using Clever Techniques to Convert a Passive Audio Filter Into an Active Filter

This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow us to transform a passive network into an active network while building an audio noise filter.


Projects Jun 02, 2024 by John Woodgate
Construction of a Guitar Amplifier

Construction of a Guitar Amplifier

This article explains the theory and the construction of the circuit of a 10W practice guitar amplifier.


Build Your Own Metal Detector with an Arduino

Build Your Own Metal Detector with an Arduino

Building a metal detector using a Colpitts oscillator and an Arduino.


Projects Oct 03, 2016 by Evan Kale