Lisa's Column

[Altium Designer] PCB knowledge - copper pouring skills and settings

by Marketing PCB HERO January 13, 2022

What are the pcb copper cladding skills? What is the pcb copper cladding setting method? The main function of pcb copper cladding is "reflow and sh...

Posted in PCB design

Comparison of STM8S105S4T6C and STM8S105C6T6

by Marketing PCB HERO January 10, 2022

STM8S105S4T6, 44 pins, LQFP package (LQFP44 10X10), fewer pins than STM8S105C6T6, but bigger than it. STM8S105C6T6, package LQFP48 (7*7), 48 pins...

Posted in IC, Material

The correct test method of ripple noise

by Marketing PCB HERO January 06, 2022

Accurately measuring power supply ripple is an art in itself. In the example shown in Figure 1, a junior engineer used an oscilloscope by mistake...

Posted in Test

How does the Bluetooth module work?

by Marketing PCB HERO January 06, 2022

1. The working principle of the Bluetooth module Bluetooth devices use electromagnetic waves to connect mobile phones and computers. Bluetooth prod...

Posted in module

Features and advantages of power supply modules

by Marketing PCB HERO January 05, 2022

The power module is a power supply that can be directly mounted on the printed circuit board. Its characteristics are that it can be an application...

Posted in Material, module

Rheostat vs potentiometer

by Marketing PCB HERO December 29, 2021

The potentiometer and rheostat are two components that are used in electronics. These two components are used for both laboratory and industrial pu...

Posted in Transformer

Causes of capacitor failure

by Marketing PCB HERO December 28, 2021

Like all other electronic component parts, a capacitor can fail when subjected to environmental or operational conditions for which the capacitor ...

Posted in Material

Latching vs non-latching relay

by Marketing PCB HERO December 28, 2021

Very often even in technical literature ‘‘latching relays’’ and ‘‘non-latching relays’’ are mixed up. In fact, they have different features. Let’s...

Posted in Relay

Posted in PCB fabrication

The Evolution of FR-4

by Marketing PCB HERO December 17, 2021

In the past 40-plus years of PCB manufacturing, the primary material of choice has overwhelmingly been e-glass supported FR-4 resin laminates. This...