Posts by EMS

LoRa Gateway: A Long-Range, Low-Power Wireless Communication

What is LoRa? LoRa, short for Long Range, is a proprietary spread spectrum modulation technique developed by Semtech Corporation. It is designed to enable long-range[…]

Joint Industry Standard (J-std-001): All you Need To Know

J-std-001 Essentials What is J-std-001? J-std-001, also known as J-STD-001 or IPC J-STD-001, is a widely recognized industry standard for soldered electrical and electronic assemblies.[…]

Copper PCB – 7 Important Issues That Users are Most Concerned About

Thermal Management One of the primary concerns for users of copper PCBs is thermal management. As electronic devices become more compact and powerful, the amount[…]

LoRa Radio: An Effective Long Range Radio Technology

What is LoRa Radio? LoRa is a proprietary spread spectrum modulation technique derived from chirp spread spectrum (CSS) technology. It operates in the sub-gigahertz frequency[…]

PCB X-ray Inspection: The Importance of X-ray Inspection in PCBA

What is PCB X-ray Inspection? PCB X-ray inspection is a non-destructive testing method used to examine the internal structure of printed circuit boards (PCBs) and[…]

Xenon Flash Tube Circuit: How To Build the Circuit

Introduction to Xenon Flash Circuits A xenon flash circuit is an electronic circuit that generates a brief, intense burst of light using a xenon flash[…]

How to Choose a Reliable PCB Manufacturer in China

Understanding the Importance of Choosing the Right PCB Manufacturer Printed Circuit Boards (PCBs) are the backbone of modern electronic devices. They provide the necessary interconnections[…]

Flyback Converter: A Power Conversion Device

Introduction to Flyback Converters A flyback converter is a type of isolated power converter that is widely used in various applications, ranging from low-power chargers[…]

UC3844: A Complete Guide to Everything you Need to Know

Introduction to the UC3844 The UC3844 is a fixed frequency current mode PWM controller commonly used in switched mode power supplies (SMPS). It is designed[…]

Transformerless Power Supply: Approved Way of Overcoming Cost and Space

Introduction to Transformerless Power Supply Transformerless power supplies have gained popularity in recent years due to their cost-effectiveness and space-saving design. Unlike traditional power supplies[…]