Disadvantages of the traditional four-layer stackup of PCBs
If the interlayer capacitance is not large enough, the electric field will be distributed over a relatively large area of…
The difference between HDI board and through-hole PCB
1.Manufacturing technology and structural characteristics HDI board: It is manufactured by the build-up method, and the technical level of the…
AD-DC controller pcb layout guide
In the application of 65W~150W output power range, CrM PFC+QR Flyback topology is a very commonly selected architecture. Under the…
What are the symptoms of damage to components on PCB?
In the circuit, electronic components are divided into strong and weak. The ranking of electronic components’ resistance is as follows:…
PCB Design for Manufacturability (DFM)
DFM: Design for Manufacture DFM means design for manufacturing, Design for manufacturability, that is, starting from improving the manufacturability of…
Grounding points for high-digital circuit PCBs
“Grounding” generally refers to connecting a circuit, device or system to a good conductor that serves as a reference potential…
PCB design tips: fewer holes, fewer detours, less automation…
1.Familiarity with factory manufacturing processes In this era of fabless IC companies, it is not surprising that many engineers are…
EMC considerations for PCB design
1 Layer distribution （1） Double-layer board, the top layer is the signal layer, the bottom layer is the ground plane….
Signal integrity problems caused by poor PCB design
1.Definition of signal integrity: Definition: Signal integrity (SI) refers to the quality of the signal on the signal line. Poor…
Buy rogers pcb material
To buy Rogers PCB material, follow these steps: 1. Determine the specific product and grade of Rogers PCB material you…
blind buried vias
blind buried vias 1. What are blind and buried vias? As the design of portable products is developing towards miniaturization…
circuit board construction
1. The names of circuit boards are: Circuit board, PCB board, aluminum substrate, high-frequency board, PCB, ultra-thin circuit board, ultra-thin circuit board,…
circuit board function
What is a functional block in a circuit board? I believe many people know about circuit boards, so what are…
circuit board lines
PCB design wiring Wiring, also known as Layout, is one of the most basic and important work skills for PCB…
