Here are the basic electronics tutorial circuits for beginners. You can find here tutorials on operational amplifiers (opamp), transistor, MOSFETs, 555 timer IC, audio amplifiers and many more.

Photodiodes
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Photodiode – Symbol, Construction, Working, Types and Applications

Photodiode is a crucial component in modern electronics, enabling devices to detect and respond to light. From remote controls and light meters to solar panels and advanced optical communication systems, photodiodes play a silent but powerful role in shaping how we interact with technology. In this article, we’ll explore everything you need to know about […]

Ceramic vs Electrolytic Capacitor
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Ceramic vs Electrolytic Capacitor: Key Differences and Applications

Introduction: In electronic circuit design or repair, selecting the right capacitor is critical to performance and reliability. Ceramic and electrolytic capacitors are two of the most commonly used capacitor types, each suited for distinct applications due to their differing structures and electrical characteristics. Understanding their key differences – including capacitance range, frequency response, polarity requirements, […]

Difference Between D MOSFET and E MOSFET
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Difference Between D-MOSFET and E-MOSFET Explained

This article is on MOSFETs (Metal-Oxide-Semiconductor Field-Effect Transistor), covering the difference between D-MOSFET and E-MOSFETs with construction, working, advantages, disadvantages, and applications. MOSFETs are the most common types of Field Effect Transistors (FETs) in Modern electronics. It functions as a voltage-controlled device and delivers high input impedance along with fast switching speed. MOSFETs are the […]

Phototransistor
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Phototransistor – Construction, Working, Types and Applications

A phototransistor is a semiconductor device that combines the properties of a photodiode and a transistor. It is sensitive to light and provides amplified electrical output based on the light intensity incident on its base region. Phototransistors play a vital role in optoelectronic applications such as light sensing, encoders, switches, and signal transmission, owing to […]

Difference Between DIAC, TRIAC and SCR
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Difference Between SCR, DIAC and TRIAC

In power electronics, the SCR, DIAC, and TRIAC are three common semiconductor devices that are very useful in electric power control and conversion applications. Though they all belong to the thyristor family, their operation, structure, and applications differ significantly. Here’s a detailed explanation of SCR (Silicon Controlled Rectifier), DIAC (Diode for Alternating Current), and TRIAC […]

Dual Power Supply Circuit
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Dual Power Supply Circuit ±(5V, 12V, 15V, 24V & 1.25V-30V DC)

Dual power supply circuit is the backbone of many electronic systems. Various circuits, especially those involving operational amplifiers, analog devices, and certain digital systems, require both positive and negative voltages to operate properly. This is where Dual Power Supply Circuits come into play. They provide symmetrical voltages (like +12V and -12V, +15V and -15V, etc.) […]