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In the design of switching power supplies of high power factor in communication devices, high-quality PCB board design is the most significant aspect in solution to electromagnetic compatibility and reliability of the entire system(1). The article introduces the principles and methods of PCB board design in system design and optimization, as well as scientific rational distribution and how to deal with the key technical measures. This system meets the design requirements after commissioned.

PCB Board Design of Switching Power Supply with High Power Factor in Communication Equipment