Introduction to the TL494 The TL494 is a versatile pulse width modulation (PWM) control circuit that is widely used in power supply applications. It is designed to provide all the necessary features for building a high-performance power supply, including voltage and current control, undervoltage lockout, and output protection. In this […]

Introduction to the UC3844 PWM Controller The UC3844 is a fixed-frequency pulse width modulation (PWM) controller integrated circuit commonly used in switch mode power supplies (SMPS). It provides an easy and cost-effective solution for controlling and regulating the output voltage in offline power converters and adapters. Key features of the […]

What is a Flyback Converter? A flyback converter is a type of isolated switching power supply that utilizes a transformer to store energy and deliver it to the output load. It is widely used in low to medium power applications, such as battery chargers, LED drivers, and power adapters for […]

Understanding PCB Capacitance Printed Circuit Board (PCB) design involves various aspects, one of which is managing the capacitance between traces and planes. PCB capacitance plays a crucial role in determining the performance, signal integrity, and electromagnetic compatibility of electronic circuits. In this article, we will delve into the concept of […]

Introduction to the 2SC2879 Transistor The 2SC2879 is a popular NPN silicon epitaxial planar transistor widely used in audio amplifier circuits, power supply regulators, DC/DC converters, and more. This high-voltage, high-current transistor is known for its excellent performance, reliability, and cost-effectiveness. In this comprehensive guide, we’ll cover everything you need […]

Introduction to PCB Etching Printed Circuit Board (PCB) etching is a crucial process in the manufacturing of electronic devices. It involves removing unwanted copper from the surface of the PCB to create the desired circuit pattern. The choice of etching method can significantly impact the quality, precision, and efficiency of […]

Introduction to the BMP280 and BME280 Sensors The BMP280 and BME280 are two popular environmental sensors used in a wide range of applications, from weather monitoring to IoT devices. Both sensors are produced by Bosch Sensortec and offer high-precision measurements of atmospheric pressure, temperature, and in the case of the […]

Introduction to PCB Edge Plating Printed Circuit Board (PCB) edge plating, also known as metalizing circuit board edges, is a process that involves coating the edges of a PCB with a conductive material, typically copper. This process is crucial for various applications, such as providing electrical connectivity, enhancing mechanical strength, […]

Introduction to PTC Thermistors PTC (Positive Temperature Coefficient) thermistors are temperature-sensitive resistors whose resistance increases significantly with rising temperature. Unlike traditional resistors that maintain a relatively stable resistance across a wide temperature range, PTC thermistors exhibit a sharp increase in resistance once they reach a specific temperature threshold, known as […]

What is a Heat Sensor Circuit? A heat sensor circuit is an electronic device that consists of a temperature-sensitive component, such as a thermistor or a thermocouple, and additional circuitry to process the sensor’s output. The temperature-sensitive component changes its electrical properties in response to changes in temperature, allowing the […]