Licky's Column

Do you know that PCBA is composed of several parts?

by Licky Li

Do you know that PCBA is composed of several parts?

Posted in PCB, PCB design, PCB fabrication, pcba

3 Types of Switching Power Supply Snubber Circuit

by Licky Li

3 Types of Switching Power Supply Snubber Circuit

1. What is a switching power supply snubber circuit? Snubber circuit is also called absorption circuit, which is an important protection circuit fo...
Posted in IC, PCB design, PCB fabrication, Relay, Transformer

How to Select the Right RF PCB Material

by Licky Li

How to Select the Right RF PCB Material

FR4 FR4 PCB material is a popular choice among electronic component manufacturers. However, it has a variety of drawbacks, including poor fire resi...
Posted in PCB, PCB design, PCB fabrication, RF pcb

Back Drilling --- A special craftsmanship of control depth drilling

by Licky Li

Back Drilling --- A special craftsmanship of control depth drilling

What is Back Drilling? Backdrill is the process of creating vias by removing the stub in multilayered printed wiring boards, to allow signals to fl...
Posted in Back drilling, PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

How to reveerse engineer a PCB?

by Licky Li

How to reveerse engineer a PCB?

Reverse engineering plays a role in many industries and is especially popular for those who utilize printed circuit boards (PCBs) in their work...
Posted in PCB fabrication, reverse engineer, Reverse Engineering

How to Design a PCB Panel for Less Money?

by Licky Li

How to Design a PCB Panel for Less Money?

Introduction: PCB panel is a combination of several PCB unit boards with various possible connection modes, as shown in the figures below. Typical,...
Posted in PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

High Frequency PCB Layout Techniques

by Licky Li

High Frequency PCB Layout Techniques

Introduction: The components are developing towards high speed, low consumption, small volume and high anti-interference. PCB design is an importan...
Posted in HDI PCB, PCB design, PCB fabrication, PCB layout

Key points of seven commonly used interface types in circuit design

by Licky Li

Key points of seven commonly used interface types in circuit design

TTL level interface   This interface type is basically a cliché. Starting from college to study analog circuits and digital circuits, for general c...
Posted in PCB design, PCB fabrication, PCB layout

Single-Layer vs. Multi-layer PCBs

by Licky Li

Single-Layer vs. Multi-layer PCBs

Single-Layer vs. Multilayer PCBs: What's the Difference? You can likely guess what the significant difference is between these two types of PCBs...
Posted in PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

How to Get BGA Perfectly Soldered on PCBs in SMT Assembly

by Licky Li

How to Get BGA Perfectly Soldered on PCBs in SMT Assembly

Because BGA (Ball Grid Array) solder balls are hidden under the body, it’s quite difficult to inspect their performance. Up to now, Automated X-ray...
Posted in BGA, PCB, PCB design, PCB fabrication, PCB layout, PCB manufacturing

PCB Layout considerations

by Licky Li

PCB Layout considerations

Designing the layout of your printed circuit board is crucial to creating a reliable, cost-effective board. While circuit design and component sele...
Posted in PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

How to measure solder mask thickness?

by Licky Li

How to measure solder mask thickness?

The solder mask is an essential element in printed circuit board manufacturing. Without a quality solder mask, most printed circuit boards wouldn’t...
Posted in PCB, PCB design, PCB fabrication