Eliminate RF current in PCB
When we combine the forward - clock - oriented field and the reverse - clock - oriented field, the effect of elimination can be produced.
Контрактное производство электроники под ключ в Китае
Шэньчжэнь, район Баоань, улица Фуюн, улица Фуцяо, район 3, промышленный парк Лонгхуй 6
Cause and influence of emi in pcb
The above examples can help us understand Maxwell equations and PCB routing, and they are illustrated by very simple mathematical formulas.
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.
High-density interconnected Circuit Board (HDI)
The best stacking mode, because the use of multi-layer ground reference plane has very good geomagnetic absorption capacity.
How to heat circuit boards
In the design of the power resistance as far as possible to select some large components, and adjust the layout of the printed circuit board so that it has enough space for heat dissipation.
Manual welding is generally divided into four steps
The solder on the surface of the solder joint forms a sharp tip. This is mostly due to insufficient heating temperature or too little flux, as well as improper Angle when the iron leaves the solder joint.
Circuit board processing process
The capacitor lead should not be too long, especially the high-frequency bypass capacitor should not have a lead.
CMOS devices and their circuits
The promotion and application of EDA technology and SCM technology in each industry, to the continuous improvement of economic efficiency of each industry provided , promoting the long-term development of Chinese software industry, is of great significanc
Chip heating
Some do not notice this phenomenon, directly adjust the sense resistance or working frequency to reach the required current, which may seriously affect the service life of LED.
EDA and SCM application on keyboard
as well as the corresponding single chip microcomputer and supporting compilation software. Key board is generally selected matrix keyboard, has a wide range of practicability.
Circuit board machining small aperture
When wet, the solder can flow and expand freely on the wire and pad to form adhesive connection.
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