Section friends teach you the heat dissipation skills of PCB circuit board
For electronic equipment, a certain amount of heat will be generated during work, so that the internal temperature of the equipment will rise rapidly.
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The importance of electroplating to PCB circuit board production
In this process, all surface areas and boreholes are plated with copper, some resistance is poured on the surface of the unwanted copper, and then etching resistance metal is plated.
Update iteration depth of 5 major PCB substrates
The performance, quality, processability, manufacturing level, manufacturing cost and long-term reliability and stability of PCB depend largely on the copper clad plate material.
PCBA processing aluminum substrate manual soldering wire precautions
PCBA processing of aluminum substrate manual soldering wire points for attention: first, pay attention to the welding temperature, two, select the appropriate raw materials, three, with the iron head is harmful to spot welding force
Electromagnetic compatibility in PCB design
When the field strength of electromagnetic field exceeds a certain limit and the operation time is long enough, it may endanger human health. It can also interfere with other electronic devices and communications. All of these need to be protected.
PCB circuit board fault detection method
PCB circuit board fault detection methods: 1, determine the fault location, 2, detection equipment, 3, visual and physical detection, 4, special detection components, 5, on the circuit board for detection, 6, low voltage measurement
Why does the PCB board have to be impedance?
Impedance is usually denoted by z, z is a complex number, the real part is called resistance, the imaginary part is called reactance, and the unit of impedance is ohm.
New design PCB board find fault method to share
New design PCB board to find the fault method: 1. Voltage measurement method, 2. Signal injection method, 3. See, hear, smell, touch
3 step to realize PCB failure process analysis
As the carrier of various components and the hub of circuit signal transmission, PCB has become the most important and key part of electronic information products. Its quality and reliability determine the quality and reliability of the whole equipment.
EMC problem What are the factors in PCB design?
Factors related to EMC issues in PCB design: 1. System design: 2. Structural impact: 3. Cable influence: 4. Component selection: 5. Related to SI/PI simulation: 6. Grounding, 7.PCB design relationship, 8. Software anti-jamming technology: 9. Shielding: 10
More and more environmentally friendly PCB substrates
Environmental protection products in addition to not toxic, but also require the product can be recycled after waste.
Multilayer soft PCB classification
The simplest multilayer soft PCB is a three-layer soft PCB formed by two layers of copper shielding on both sides of a single-sided PCB. This three-layer soft PCB is electrically equivalent to a coaxial wire or a shielded wire.
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