The grounding isolation belt near the crystal oscillator must be well grounded. In a word: the copper coating on PCB, if the grounding problem is handled well, is certainly "more advantages than disadvantages", it can reduce the signal line back...
PCB is the mother of electronic products. As long as the electronics industry continues to develop, there will always be business opportunities, and if it can survive the trough, it will meet the peak.
it is generally sufficient to handle high end harmonics and keep the transient signal low enough, that is, common-mode EMI can be dropped very low. The PCB layer-stack design example presented in this paper will assume layer spacing of 3 to 6mil.
1, PCBA processing equipment, 2, PCBA processing plant environment, 3, PCBA processing technical service ability, 4, PCBA processing finished product packaging, 5, assess the overall strength of PCBA processing plant, 6, PCBA processing price and delivery
The larger the number of turns of common mode choke, the larger the parasitic capacitance and the worse the effect of high frequency isolation.
Local collision occurs in PCB process, and the copper wire is separated from the substrate by external mechanical force. This defect manifests as poor positioning or orientation, falling copper wire will have obvious distortion, or in the same direction o
With the expansion of 5G commercial pace, the upgrading of consumer electronic products and the emergence of new applications, the further growth of Internet traffic, and the increasing demand for switches and servers driven by the construction of data ce
With the expansion of 5G commercial pace, the upgrading of consumer electronic products and the emergence of new applications, the further growth of Internet traffic, and the increasing demand for switches and servers driven by the construction of data ce
PCB customization, BOM, material selection and other electronic industry supply chain solutions, one-stop to meet the comprehensive needs of small and medium-sized customers in the electronics industry.
Some customers have designed contour lines for Keep layer, Board layer, Top over layer and so on, and these contour lines do not coincide, which makes it difficult for PCB manufacturers to judge which contour line shall prevail.
From the point of view of function, the hole can be divided into two categories: one is used as an electrical connection between the layers; The second is used for fixing or positioning devices. In terms of technological process, through holes are general
Copper coating on PCB, if the grounding problem is handled well, is "more advantages than disadvantages", it can reduce the signal line backflow area, reduce the signal external electromagnetic interference.
