How to create grooves on a PCB board
In this PCB example, a hot pad has been used -- manually creating arcs and lines, see Pad 1 of J6 for details.
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EMI design specification steps for PCB circuit boards
Experienced power developers know that EMI suppression in the PCB design process can save a lot of time for EMI suppression design in the final process to the greatest extent. This article will explain to you the specification steps in PCB EMI design, int
What are the PCB types of soft board used by SMT patch factory?
in order to inhibit the crosstalk between PCB circuit board wires, in the design of wiring should be as far as possible to avoid long distance equal wiring, as far as possible to open the distance between lines, signal line and ground and power line as fa
How to ensure the precision of PCB board milling
Frame production is the production of PCB circuit board in the early stage, frame design not only has an impact on the uniformity of electroplating, but also has an impact on the milling board,
The design of PCB circuit board with high temperature silicone oil film needs attention
Wiring is the most important process in PCB design. This will directly affect the performance of PCB board. In the process of PCB design, wiring generally has such three levels of division: the first is the cloth, the most basic requirements of PCB design
The hole of the printed circuit board causes a capacitance of approximately 0.6pf
G Handle the ground wire on the printed circuit board, the power cord and ground wire are the most important. To overcome electromagnetic interference, the most important means is grounding.
The basic rules of PCB board layout and wiring are described in detail
The output terminals of high-speed CMOS circuits have considerable load capacity, that is, quite large output value. If the output end of a gate is led to the input terminal with quite high input impedance through a very long line, the reflection problem
Protel DXP drawing process of PCB board
DRC should always be done when manually adjusting because sometimes some lines break. Each wiring layer can be printed out separately to facilitate rewiring.
The common preventive measures against ESD in PCB board design are analyzed
ESD sensitive circuits should be placed near the center of the circuit, so that other circuits can provide some shielding for them.
Five methods to improve the quality of PCB circuit boards for vehicles are recommended
Attention should be paid to the wiring of signal lines under magnetic beads, between pads and those that may come into contact with magnetic beads. Some magnetic beads conduct electricity quite well and may produce unexpected conductive paths.
The advantages and disadvantages of PCB flexible circuit board are introduced
All kinds of reliability design in digital circuit application is related to the reliability requirements of the circuit in practical application and product engineering requirements, so it is not possible to add various kinds of high-cost "guarantee...
Causes of PCB board bending and warping and methods of prevention
In fact, the biggest source of stress in Reflow process is "temperature", which not only makes the circuit board soft, but also distorts the circuit board. This, coupled with the material properties of "thermal expansion and cold contractio...
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