The design of printed PCB circuit boards starts from determining the size of the board. The size of printed PCB circuit boards is limited by the size of the case shell, so as to fit into the shell.
The development trend of PCB manufacturing technology in the future is to high density, high precision, fine aperture, fine wire, small spacing, high reliability, multi-layer, high-speed transmission, light weight, thin shape.
mechanical -- the mechanical layer is what defines the appearance of the whole PCB board, actually when we say the mechanical layer we mean the structure of the whole PCB board.
The coupling capacitance between the wires determines the amplitude of the forward crosstalk pulse, and the coupling capacitance is determined by many factors, such as PCB material, geometry, line crossing location, and so on.
Flexible Printed Circuit (PCB) can be designed with the general design of PCB software. Also use Gerber format for FPC manufacturers. Because the manufacturing process is different from ordinary PCBS, each manufacturer will have their own limits on minimu
Flexible Printed Circuit (PCB) can be designed with the general design of PCB software. Also use Gerber format for FPC manufacturers. Because the manufacturing process is different from ordinary PCBS, each manufacturer will have their own limits on minimu
The increased cost caused by EMC on PCB board is usually caused by increasing the number of layers to enhance shielding effect and increasing ferrite bead and choke to inhibit high frequency harmonic devices. In addition, it is usually necessary to match
At this time, even if only a small high frequency current flows through the wire, there will be a certain high frequency voltage drop. Therefore, for high frequency circuits, the PCB layout is as compact as possible so that the printed wires are as short
After careful consideration and prediction, the design of online circuit testing can be carried out at the early stage of design and realized at the later stage of production process.
Because, if you select higher voltage and threshold, increase the number of high voltage leakage reading, you can improve the detection rate of PCB defect board. For example, a large Taiwan-funded PCB enterprise in Suzhou uses 300V, 30M and 20 euros to te
At the same time, it must be easily removed by flux quickly in the subsequent welding high temperature for welding. OSP process is simple, low cost, widely used in PCB manufacturers.
The parameter constraint editor facilitates PCB layout and wiring under multi-dimensional constraints, and for the first time, enables automatic routing software and PCB design rules to be fully checked against complex electrical and process requirements,
Telegram