Lily's Column

PCB Gold Fingers

by Lily Zhang

PCB Gold Fingers

Gold Fingers are the gold plated narrow connectors found on the edge of printed circuit boards to enable connections between multiple boards. They ...
Posted in PCB, PCB design, PCB fabrication, PCB manufacturing

How to Fabricate a PCB With DIY Methods?

by Lily Zhang

How to Fabricate a PCB With DIY Methods?

Method 1#: Cut the copper-clad laminate to the size required by the PCB Put the stencilpaper on the steel plate, use a pen to draw the circuit dia...
Posted in PCB, PCB design, PCB fabrication

High-speed PCB design

by Lily Zhang

High-speed PCB design

Not all printed circuit boards that operate with digital signals must necessarily be considered High Speed PCBs. In many cases, in fact, it is suff...
Posted in PCB, PCB design, PCB fabrication

RF PCB Design

by Lily Zhang

RF PCB Design

An RF PCB design is a bit different from a conventional board. What makes it distinct are parameters like impedance matching, type of traces (prefe...
Posted in PCB, PCB design, PCB fabrication

HOW TO REVERSE ENGINEER A PCB BOARD

by Lily Zhang

HOW TO REVERSE ENGINEER A PCB BOARD

Reverse engineering circuit boards can be a long process, but it’s well worth the payout. There are a few primary stages of reverse engineering PCB...
Posted in PCB design, Reverse Engineering

Heavy Copper PCB Design

by Lily Zhang

Heavy Copper PCB Design

Heavy Copper PCB Overview A heavy copper PCB is a board that has a heavy copper circuit. This kind of PCB is subjected to specialized plating and e...
Posted in PCB, PCB design, PCB fabrication

What is an Annular Ring?

by Lily Zhang

What is an Annular Ring?

Annular rings are a vital part of any printed circuit board (PCB), but they pose quite a challenge for PCB designers. With such precise work, it’s ...
Posted in PCB, PCB design, PCB fabrication, PCB layout

IPC Class 2 VS Class 3

by Lily Zhang

IPC Class 2 VS Class 3

What Do IPC Classes Mean? IPC separates PCBs in electronics manufacturing into three different classes. These classes signal the quality of the PCB...
Posted in PCB, PCB design, PCB fabrication, PCB manufacturing

How to Choose the most suitable Layer Number for PCB Design

by Lily Zhang

How to Choose the most suitable Layer Number for PCB Design

Layer Type and Advantages The designer selects the layer number for the design according to the complexity of the entire circuit, which mainly con...
Posted in PCB, PCB design, PCB fabrication, PCB layout, PCB manufacturing

How to avoid these routing mistakes when designing for controlled impedance

by Lily Zhang

How to avoid these routing mistakes when designing for controlled impedance

Differentiate CI traces from other traces The controlled impedance trace widths must be distinguishable from the remaining traces on the board. It ...
Posted in Impedance Control PCB, PCB, PCB design, PCB fabrication, PCB layout, PCB manufacturing

How to design a board with controlled impedance?

by Lily Zhang

How to design a board with controlled impedance?

What is a controlled impedance? Controlled impedance is the characteristic impedance of a transmission line formed by PCB traces and its associated...
Posted in Impedance Control PCB, PCB, PCB design

12 PCB thermal management techniques to reduce PCB heating

by Lily Zhang

12 PCB thermal management techniques to reduce PCB heating

1.Identifying thermal hotspots and high-current traces To fabricate a thermally stable PCB, thermal effects must be studied during the designing ph...
Posted in PCB, PCB design