Kitty's Column

Electronic component symbols

by Lily Zhang

Electronic component symbols

Electronic component symbols are graphic marks used to represent different electronic components in electronic circuits. These symbols help engine...

Top Ten Quality Problems and Countermeasures of HDI-PCB

by Lily Zhang

Top Ten Quality Problems and Countermeasures of HDI-PCB

HDI is the abbreviation of High Density Interconnector, which is a (technology) for producing printed circuit boards. It is a circuit board with a ...

Several common high-frequency PCB surface treatment methods

by Lily Zhang

Several common high-frequency PCB surface treatment methods

When making high-frequency PCB samples, different surface treatment methods will be used according to the number of layers. For simple single-sided...

A comprehensive guide to understanding PCB/PCBA reverse engineering - an easy to understand introduction

by Lily Zhang

A comprehensive guide to understanding PCB/PCBA reverse engineering - an easy to understand introduction

PCB (Printed Circuit Board) and PCBA (Printed Circuit Board Assembly) are indispensable components of electronic devices. They are the physical car...

What is a buried capacitance circuit board?The concept and production method of buried capacitance

by Lily Zhang

What is a buried capacitance circuit board?The concept and production method of buried capacitance

1. Why do we need embedded components?The traditional method of circuit board design is to place components on the top and bottom surfaces of the c...
Posted in #PCB design

Integrated circuits: AND, OR, NOR, NAND, XOR, and NOT logic gates

by Lily Zhang

Integrated circuits: AND, OR, NOR, NAND, XOR, and NOT logic gates

For the design of any electronic system, it is essential to understand the operation of the integrated circuits (ICs) involved; in this case, we wi...

Reasons and Solutions for False Welding and False Welding in PCBA Processing

by Lily Zhang

Reasons and Solutions for False Welding and False Welding in PCBA Processing

Cold soldering and false soldering in PCBA processing will seriously affect the quality of product use, so PCBA processing needs to reduce false so...

How to reduce signal attenuation in high-speed PCB circuit boards

by Lily Zhang

How to reduce signal attenuation in high-speed PCB circuit boards

As a signal travels from source to load through PCB conductors, it experiences attenuation due to energy loss due to trace resistance and dielectr...

The definition of HDI circuit board, what does hdi circuit board mean?

by Lily Zhang

The definition of HDI circuit board, what does hdi circuit board mean?

Definition of HDI circuit board, what does HDI circuit board mean?HDI circuit board is the abbreviation of high-density interconnect printed circui...

The difference between SMD and NSMD pad design, advantages and disadvantages, and usage timing recommendations

by Lily Zhang

The difference between SMD and NSMD pad design, advantages and disadvantages, and usage timing recommendations

Do you know what SMD (Solder Mask Defined) and NSMD (Non-Solder Mask Defined) are? What is the difference between SMD and NSMD? What are the advant...

Antenna Design Considerations in IoT Design

by Lily Zhang

Antenna Design Considerations in IoT Design

As more and more devices are connected into Internet in wireless ways, electronic engineers are confronted with lots of challenges such as how to ...

Impedance design considerations for Flex-Rigid PCB

by Lily Zhang

Impedance design considerations for Flex-Rigid PCB

As electronics products witness their fast development, market calls for increasingly higher demands for flex-rigid PCB (printed circuit board) an...