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Newly Updated Circuit Projects:

Build this Open Baffle Hi-Fi Loudspeaker System with Crossover Network

Last Updated on May 15, 2026 by Swagatam 7 Comments

tech spec

The open baffle hi-fi, high quality speaker design introduced here provides a substitute to the common loudspeaker housing. Its sound emission pattern resembles electrostatic pattern. It works without enclosure or housing for the woofers, although employs normal dynamics for the drive units. The reproduction provides extremely ‘spacious’ impact on the ears. Contributed by: Monty Trivedi […]

Filed Under: Audio and Amplifier Projects Tagged With: Baffle, Build, Crossover, Loudspeaker, Open, System

2N3055 Datasheet, Pinout, Application Circuits

Last Updated on May 18, 2026 by Swagatam 20 Comments

2N3055 power derating

The 2N3055 is a power bipolar transistor designed to handle high power loads in the range of 100 V, and 15 amps. In this post I will comprehensively discuss the pinout function, electrical specification, and application designs for the power transistor 2N3055. If you are an electronic hobbyist, you might have certainly used this very […]

Filed Under: Datasheets and Components Tagged With: 2N3055, Application, Circuits, Datasheet, Pinout

Field-Effect Transistors (FET)

Last Updated on May 20, 2026 by Swagatam 2 Comments

JFET

The field-effect transistor (FET) is an electronic device in which an electric field is used to regulate the flow of current. To implement this a potential difference is applied across the gate and source terminals of the device, which alters the conductivity between the drain and source terminals causing a controlled current to flow across […]

Filed Under: Electronics Theory Tagged With: Effect, FET, Field, Transistors

5 Best 40 Watt Amplifier Circuits Explored

Last Updated on May 15, 2026 by Swagatam 26 Comments

40 watt amp

In this post I will talk about 5 outstanding, easy to build, low distortion Hi-Fi 40 watt amplifier circuits that can be further upgraded to higher wattage through some minor tweaks. This article was contributed to me through email by a dedicated follower Although you may find several hybrid output modules available, hardly any of […]

Filed Under: Audio and Amplifier Projects Tagged With: Amplifier, Best, Circuits, Explored, Watt

H-Bridge Bootstrapping

Last Updated on May 20, 2026 by Swagatam 32 Comments

h bridge

Bootstrapping is a crucial aspect that you will find in all H-bridge or full bridge networks with N-channel mosfets. It is a process in which the gate/source terminals of the high side mosfets are switched with a voltage that’s at least 10V higher than its drain voltage. Meaning, if the drain voltage is 100V, then […]

Filed Under: Electronics Theory Tagged With: Bootstrapping, Bridge

Capacitor Inductor Calculations

Last Updated on May 20, 2026 by Swagatam 4 Comments

function of I

Inductors can be imagined as the opposite of capacitors. The main difference between a capacitor and an inductor is that a capacitor carries a protective dielectric between its plates, which inhibits the conduction of current across its terminals. Here it acts like an open circuit. On the other hand the inductance of an inductor is […]

Filed Under: Electronics Theory Tagged With: Calculations, Capacitor, Inductor

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