Hacks of Electronics
A varactor diode is a specialized semiconductor device widely used in electronics to utilize its property of variable capacitance. By understanding its symbol, construction, working principles, and applications, engineers can design systems that take advantage of its unique characteristics. This article provides a detailed overview of the varactor diode. Varactor Diode Symbol The symbol of […]
Field Effect Transistors (FETs) are vital components in modern electronics, widely used in amplification, switching, and signal modulation. The two primary types of FETs are the Junction Field Effect Transistor (JFET) and the Metal-Oxide-Semiconductor Field Effect Transistor (MOSFET). This article explains the difference between JFET and MOSFET based on their types, construction, characteristics, advantages, disadvantages and […]
This article delves into the core differences between BJT and FET. In electronics, transistors are the building blocks of modern electronic devices. They act as switches, amplifiers, and signal modulators in a wide variety of applications. Among transistors, Bipolar Junction Transistors (BJT) and Field Effect Transistors (FET) are two of the most widely used types. […]
In this article, you will learn to build LM3915 battery voltage level indicator. The LM3915 is a popular integrated circuit (IC) used in projects that require visual feedback on voltage levels. It’s widely applied in devices like battery monitors, audio level meters, and power supply indicators. This IC lights up a series of LEDs to show […]
Here is a simple proximity sensor circuit which shows proximity of an object by LED bar graph. Also, you will see two other simple proximity sensor designs. Proximity sensors are devices that detect the presence of an object within a certain range without any physical contact. They are widely used in various applications such as […]
Let’s understand the SMPS Block Diagram working. A Switch Mode Power Supply is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Unlike linear power supplies, which convert excess energy into heat, SMPS circuit uses a switching element that rapidly turns on and off to regulate the output voltage and current. […]