A transistor or BJT multivibrator is a two-stage switching circuit that is configured in a cross-coupled manner. This allows each of the active BJT stages to be regeneratively cross-coupled with the […]
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Build this Subwoofer Amplifier Circuit [Mini Ground-Shaker]
A subwoofer amplifier is basically a power amplifier designed to filter and extract the low frequency content from the input audio signal and amplify it to the desired levels. This […]
Fuel Cells [How they Work]
Fuel cells have the capacity to be the most effective and ecologically friendly power source ever devised. Since fuel cells are able to generate drinking water as a by-product, they […]
Wheatstone Bridge Circuits Explained with Calculations
A Wheatstone Bridge circuit is commonly used to measure resistance, inductance, capacitance, and impedance. These are made up of four parts or arms that are joined in series in a diamond like […]
Simple Triac Triggering Circuits Explained
In this post we learn the fundamental methods of triggering a triac, and also discuss the right way to connect the terminals of a triac. Triacs are solid-state bidirectional thyristors […]
10 Useful Active Filter Circuits Explored
In this post we comprehensively discuss 10 different types of active filter circuits which can be used for filtering music and audio with the desired levels of bass and treble […]