The cause of electromagnetic interference in PCB and the technique of eliminating interference
In PCB, EMI can be produced for many reasons, such as: RF current, common mode level, ground loop, impedance mismatch, magnetic flux
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Why is the common PCB board thickness 1.6mm
as PCB substrate epoxy resin (see the column of PCB substrate resin chapter), PCB substrate reinforcement materials, copper foil and other manufacturing technologies have not realized commercial production.
PCB board, the rules are very particular
Otherwise, you may be forced to make modifications and redesign your PCB stack structure.
Exposed pad on PCB
In addition, with the increase of width, PCB current-carrying capacity does not increase strictly in line with the linear increase
Cause analysis of PCB board defects
This will break the solder joints, bend the shape of the board, or it may cause the copper thread on the board to break.
How to do the precision of PCB circuit board "extreme"?
This technology has become a necessary means of detection in fine wire production, and is being rapidly popularized, applied and developed.
Why are PCB design layers mostly even?
the following methods can be used to balance the cascade, reduce the cost of PCB production and avoid PCB bending.
Understand PCB laminated design
It is important to note that the power layer should be near the layer that is not the main component plane, because the bottom plane will be more complete. Therefore, EMI performance is better than the first scheme.
PCB circuit board cooling skills
the thermal performance index analysis software module added in some professional PCB design software can help designers optimize circuit design.
The material that can make high speed PCB should meet these 5 requirements
Choose as large a component as possible when designing the power resistance, and adjust the layout of the printed board to allow enough space for heat dissipation.
Detail PCB circuit board high frequency board and high speed board difference!
there are still some differences between high frequency products and high speed products in the demand for plate.
PCB manufacturing enterprises lean production thinking
TPM and other high-end knowledge, but ignore the field management, ignore the most basic production activities of the people and equipment.
Just upload Gerber files, BOM files and design files, and the KINGFORD team will provide a complete quotation within 24h.