Why can’t the crystal oscillator be placed on the edge of the PCB
A dashcam needs to add an external adapter when testing. When the machine is powered on and tested, it is…
A brief discussion on key materials for high-frequency microwave RF PCB circuit boards
The circuit materials of printed circuit boards (PCBs) are key building blocks of radio frequency (RF)/microwave circuits – essentially the…
Ten problems about PCB defects
1.[Delamination] Delamination is a long-standing problem of PCB, and ranks first among common problems. The reasons for its occurrence may…
Recommendation for ARM and embedded linux
As many people always ask this question, so here to make a summary document for your reference. Here must first…
Let you know about the immersion gold process in PCB
The advantage of the immersion gold process is that the color deposited on the surface of the printed circuit is…
Detailed IC chip EMI design impact
Electromagnetic compatibility design often uses various control techniques. In general, the closer to the EMI source, the lower the cost…
In embedded, is there any difference between operating system and device driver?
First, the role of driving The operation of any computer system is the result of collaboration between hardware and software…
Peak current and decoupling capacitors during PCB layout
The main reason for the peak current is: The T3 and T4 tubes of the output stage are turned on…
What is a printed circuit board? What are the functions of a printed circuit board?
Printed circuit boards (PCBs) are convenient thin sheets used to house interconnected electrical components in a simple, convenient and economical…
Explanation of via cap oil and via opening
Simple Meaning of Nouns The via cover oil, ie the solder ring of the via, is covered with ink. Through-hole…
Analysis on Selection and Application of P0 Port Pull – up Resistor of 51 Singlechip
As the I / O port output time, the output low 0 output high for the high configuration (not 5V,…
Discussion on Electromagnetic Compatibility Design of SCM System from PCB Design to Software Processing
PCB design to software processing to introduce the handling of electromagnetic compatibility. First, the factors that affect EMC 1, the…
How to improve the wiring efficiency in PCB design
The wiring is an extremely important part of the PCB design and it will directly affect the performance of the…
Why can’t I touch the board with my hand?
It is a common knowledge of electronics engineers that human hands cannot directly touch or touch a circuit board. Why?…
Tell you how to make a good PCB board
Based on our past experience, I would like to talk about my views on the following aspects: To clarify design…
