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tented vias
Tented Vias in PCB

The article emphasizes the significance of tenting PCB vias to shield them from external factors, enhancing signal integrity and assembly processes, particularly in high-speed and SMT applications. It discusses design

PCB Short Circuit Causes, Detection and Prevention

The article delves into PCB short circuits, covering causes, detection, and prevention. It addresses issues like pad design, scratching, and Conductive Anodic Filament formation, offering insights for manufacturing and usage.

Fundamentals of Short Circuit

Short circuits, prevalent in electronics, pose serious risks like fires, damage, and shocks. Identifying causes such as wire damage or component failure is crucial for prevention. Protective measures like circuit

PCB Soldering Defects

PCB solder defects, like bridging, fillet issues, virtual soldering, voiding, and tombstoning, arise from factors such as temperature control and component placement. Prevention involves planning, using advanced equipment, inspections, and

Basic Guide to PCB Solder Bridges

Solder bridges in PCBs are unintended connections between circuit paths or pads, leading to short circuits and device malfunctions. They stem from design flaws, process defects, or solder paste quality

Fundamentals of Open Circuit

An open circuit is a disruption in the electrical path, hindering current flow. It can result from component failures, conductor faults, or design errors. Unlike short circuits, open circuits are

QFP Package

QFP, or Quad Flat Package, is a compact Surface Mount Device widely used in electronic manufacturing, featuring densely packed pins suitable for LSI and VLSI circuits. Despite advantages like clear

Transistor Outline (TO) Package

TO packaging, short for Transistor Outline, includes a TO header and TO cap, providing physical and environmental protection for transistors. The TO header acts like a plug for circuit board

What Are Buried Vias in PCB and Their Purpose

Buried vias enhance signal efficiency in multilayer PCBs, crucial for high-density interconnects. Despite added costs, they play a vital role in advanced electronic devices, optimizing circuit performance. Designed for multilayer

PCB Blind Via Tutorial

Blind vias revolutionize PCB design, offering precise interlayer connections without spanning the entire board. Their benefits include suitability for miniaturized designs and compatibility with advanced technologies like HDI. However, higher

PCB Pad Fundamentals

PCB pads, essential for electronic connectivity, serve as connection points and aid heat dissipation. Through-hole pads suit pin insertion, while surface mount pads are for smaller components. Varied pad shapes

How to Test Circuit Boards Using a Multimeter

When electronic devices encounter malfunctions, troubleshooting the internal PCBA board is a common method. These circuit boards are the core of device functionality; however, various faults may arise due to

What is Functional Testing in PCBA

Functional Testing (FCT) in PCBA is vital for validating that circuit boards function according to design specifications in real-world scenarios. This quality assurance step, akin to prototype validation, minimizes post-delivery

Why Cold Drains Phone Battery and How to Avoid It

Extreme cold affects phone batteries, causing lithium-ion traffic jams and increased internal resistance, leading to accelerated drain. To prevent this, charge the phone fully indoors, use insulation cases, keep it

Field Effect Transistor (FET)

Field-Effect Transistors (FETs) control current with the gate’s electric field, featuring terminals like Source, Drain, and Gate for high input impedance, reducing signal distortion. JFET and MOSFET, the two main

Digital Integrated Circuit

Digital integrated circuits (ICs) process discrete signals, crucial in computing, communication, and signal processing. Their operation involves converting continuous analog signals into discrete digital signals for efficient processing. Types include

Bipolar Junction Transistor Basics Tutorial

BJT, or Bipolar Junction Transistor, is a key electronic component with three terminals—emitter, base, and collector. Evolving from point-contact transistors, it persists as a vital technology for switching and amplification.

Guide to PCB Solder Mask Opening Design

PCB solder mask openings are crucial for various applications, including test points, heat dissipation, grounding, gold fingers, and current capacity enhancement. Design considerations, like choosing between opening and tenting, are

BJT NPN Transistor

NPN transistors, part of the BJT family, excel in linear amplification, switching, and high gain at low to mid frequencies. With N-P-N structure, they play crucial roles in amplifiers, switches,

Comprehensive In-Circuit Testing (ICT) Guide

ICT testing swiftly verifies electronic components and circuit connections on PCBs, efficiently detecting defects such as soldering issues, component errors, and circuit parameter deviations. With flexibility and rapid turnaround, it’s

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