Discussion on RF PCB design

Before PCB layout, the product structure needs to be clarified. The structure needs to be reflected on the PCB. For example, the thickness of the outer edge of the cavity shell, the thickness of the middle compartment, the chamfer radius and the screw size on the compartment, etc. (in other words, the structural design is specifically designed according to the outline (structural part) drawn on the completed PCB). Generally, the thickness of the outer cavity is 4mm; The width of inner cavity is 3mm; The of dispensing process is 2mm; Chamfer radius 2.5mm. Take the lower left corner of the PCB board as the origin, the compartment shall be an integer multiple of grid 0.5, and at least the grid shall be an integer multiple of 0.1. This is conducive to the processing of the structure processor, and the error control is more accurate.

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