IC LM 386: The Complete Guide

Introduction to the LM386 Amplifier IC The LM386 is a popular, low-voltage audio power amplifier integrated circuit (IC) designed for use in low power consumer applications. This versatile chip is widely used in portable electronic devices, such as radios, portable music players, and small audio systems, thanks to its ease Read more…

What is a substrate in a PCB?

The printed circuit board (PCB) substrate provides the fundamental platform upon which conductive copper traces mount to route signals between components in an electronic product. This base laminate material insulates conductive paths protecting against shorts while mechanically supporting interconnects. With demands for higher density PCBs integrating more functionality continually growing Read more…

IPC-2221 Calculator for PCB Trace Current and Heating Trace Width, Current and Temp Rise Calculator

Determining correct trace widths on printed circuit boards ensuring stable operation without exceeding safe current density or heating levels requires careful ampacity and thermal analysis. While engineers historically performed these cumbersome calculations by hand, online utilities now automate analysis for convenient web-based trace width requirements planning aligned with IPC guidelines. Read more…

What is a PCB file?

Printed circuit board (PCB) design and manufacturing relies extensively on computer-aided design (CAD) files specifying physical board geometry, connectivity, documentation, and fabrication instructions needed to produce functional boards. With numerous software tools used across design, engineering, manufacturing, assembly, and testing workflows, understanding the file formats involved facilitates efficiency and quality. Read more…

How do you Print a Circuit Board on a 3D Printer?

3D printing technology has progressed tremendously allowing printing not just plastic parts but also advanced functional devices including printed circuit boards. Combining conductive materials alongside insulating polymers allows embedding electronic traces and components directly inside 3D printed constructs. Let’s get started understanding this progressive additive manufacturing process for embedding electronics. Read more…