In order to achieve the smaller space, faster speed, higher performance of the goal, the printed circuit board "light, thin, short, small" requirements continue to improve, PCB board structure requirements continue to improve.
If the transmission line is isotropic, there will always be a current as long as the signal is transmitted.
The properties of the developed substrate materials are provided to the designer of the whole electronic products in time, so that the designer can establish accurate and advanced data basis.
The simultaneous dumping of current underground may temporarily raise the ground's electrical potential, causing a change in reference, a phenomenon known as ground rebound. The main conditions that affect grounding bounce include load capacitance, socket
an all-digital system may not have a separate analog power plane, and adding a new power plane can become prohibitively expensive unless the designer creates a partitioned island or separate plane on top of the existing layer.
Many peers have completed the planning of electronic products often appear problems. Related to the lack of necessary elements in the planning of electrical principles, but more important is when all necessary elements are considered.
Gold deposition is used by chemical deposition, through the method of chemical REDOX reaction to generate a layer of coating, generally thick, is a kind of chemical nickel gold deposit method, can reach a thicker gold layer.
With the 3D capabilities of the layout tool, designers can interactively handle their component placement in real time and correct all clearance errors in the design's mechanical features.
The cooling metal block of the three-end voltage regulator must be well grounded. The grounding isolation belt near the crystal oscillator must be well grounded.
The manufacturing process of dry press PCB electronic ceramics mainly includes blank forming, blank sintering and finishing, forming circuit on the substrate.
With the rapid development of mobile phone, electronics, communication industry, automatic driving, to a large extent, the PCB circuit board industry continues to grow and grow rapidly, people for the quality of PCB components, layers, weight, precision,
These PCBS are widely used in mechanically sensitive devices because the flexibility allows the board to resist vibration. Flexible PCB is more durable than traditional PCB, but flexible PCB manufacturing process is sensitive and complex.