Lily's Column

What is a Heat Sink?

by Lily Zhang

What is a Heat Sink?

A heatsink is an electronic component that prevents components on a circuit board from frying because of increased heat capacity. It is made of col...

How to transfer Program Into Chip?

by Lily Zhang

How to transfer Program Into Chip?

IC programming is the process of transferring a computer program into an integrated computer circuit. Older types of IC include PROMs and EPROMs I ...

Teflon PCB

by Lily Zhang

Teflon PCB

What is Teflon PCB? Teflon PCB, or PTFE PCB, is a high-frequency PCB using polytetrafluoroethylene (PTFE) as its PCB substrate. Teflon PCBs transmi...

COB LED vs SMD LED vs DOB LED

by Lily Zhang

COB LED vs SMD LED vs DOB LED

What is COB LED Features of COB LED: high thermal generation, small areas for thermal dissipation; evenly-shed light, no halo; LEDs are bonded on...

PCBA inspection

by Lily Zhang

PCBA inspection

Several tests are available that fulfill the quality standards such as visual, manual, and X-ray inspection. Each test has its specification levels...

PCB Drilling

by Lily Zhang

PCB Drilling

The PCB Drill Tech Basically, there are two kinds of drilling technologies, mechanical and laser drilling. Mechanical and laser drilling compariso...
Posted in PCB, PCB fabrication, PCB manufacturing, PCB Milling

HDI board stack-ups

by Lily Zhang

HDI board stack-ups

HDI board stack-ups High-density interconnect, or HDI, circuit boards are printed circuit boards with a higher wiring density per unit area than tr...
Posted in PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

How are multilayer circuit boards made?

by Lily Zhang

How are multilayer circuit boards made?

Step 1: Inner layer core selection PCB core material The stack-up designates the materials to be used for the manufacture of a multilayer circuit...
Posted in PCB, PCB design, PCB fabrication, PCB Layer stack-up, PCB layout, PCB manufacturing

PCB stack-up

by Lily Zhang

PCB stack-up

What is a PCB stack-up? 6 layer PCB stack-up (thickness in inches) Stack-up describes the construction of a multilayer board in sequential order....

What is LoRa & LoRaWAN?

by Lily Zhang

What is LoRa & LoRaWAN?

Wireless communication is a big part of the online space, and several architectures exist for this type of network. One of them is LoRa, which func...

11 Best High-Speed PCB Routing Practices

by Lily Zhang

11 Best High-Speed PCB Routing Practices

1.Route high-speed signals over a solid ground plane As a rule of thumb, it’s most beneficial to have a common ground plane below signal traces. Fo...

Difference Between Photodiode and Phototransistor

by Lily Zhang

Difference Between Photodiode and Phototransistor

Photodiode and phototransistor are often confused with each other for their similar operation. Both are semiconductor-based components used for sen...