Design method for suppressing electromagnetic interference of chip radiator and printed circuit board assembly

The embodiment of the invention provides a design method for suppressing electromagnetic interference of a chip radiator and a printed circuit board assembly, and the method comprises the steps: building an electromagnetic simulation model of the printed circuit board assembly, the electromagnetic simulation model is used for generating an electromagnetic simulation model, and determining a chip electric field intensity allowable peak value and a chip module electric field intensity peak value corresponding to each preset frequency point according to the electromagnetic simulation model, and the printed circuit board assembly comprises a printed circuit board and a chip module arranged on the printed circuit board; the chip module comprises a chip and a radiator arranged corresponding to the chip; and in response to determining that the electric field intensity peak value of the chip module corresponding to at least one preset frequency point is greater than the allowable peak value of the electric field inte