阅读说明：本技术 一种印刷电路板及其设计方法 (Printed circuit board and design method thereof ) 是由 王敬文 于 2019-11-06 设计创作，主要内容包括：一种印刷电路板及其设计方法,包括：电磁带隙(EBG)结构和绕线结构；其中,EBG结构包括：多个EBG单元,每个EBG单元的电源层平面中直线信道经过补满和挖空处理其边界为矩形且电源层平面上开设有槽孔；绕线结构设置于每个EBG单元四周的挖空部分,绕线结构中绕线的设置方式为从挖空部分的外围至内围或者内围至外围。由于EBG单元的电源层平面上开设了槽孔,因此在抑制噪声带宽和止带深度方面表现更佳。(A printed circuit board and a design method thereof, comprising: an Electromagnetic Band Gap (EBG) structure and a wire winding structure; wherein, the EBG structure includes: the device comprises a plurality of EBG units, a plurality of signal processing units (EBG), a plurality of signal processing units (; the winding structure is arranged on the hollow part around each EBG unit, and the winding in the winding structure is arranged from the periphery to the inner periphery or from the inner periphery to the periphery of the hollow part. The EBG unit is better in noise bandwidth suppression and stopband depth due to the slotted holes formed in the power plane.)

1. A printed circuit board, comprising: an Electromagnetic Band Gap (EBG) structure and a winding structure;

wherein the EBG structure comprises: the device comprises a plurality of EBG units, a plurality of signal processing units and a plurality of control units (EBG), wherein the boundary of a linear channel in a power supply layer plane of each EBG unit is rectangular after filling and hollowing treatment, and a slotted hole is formed in the power supply layer plane;

the winding structure is arranged on a hollow part around each EBG unit, and the winding in the winding structure is arranged from the periphery to the inner periphery or from the inner periphery to the periphery of the hollow part.

2. The printed circuit board of claim 1, wherein the slot is formed in a center of the plane of the power plane.

3. A printed circuit board according to claim 1 or 2, wherein the slot is square and 5mm on a side.

4. The printed circuit board of claim 1, wherein the routing structure is a 4-fold routing structure.

5. The PCB of claim 1 or 4, wherein the width of the winding structure is 2mm, and each folded winding of the winding structure has a width of 0.2mm and a length of 20 mm.

6. A method of designing a printed circuit board, comprising:

filling and hollowing linear channels in a power supply layer plane of each EBG unit forming the EBG structure to enable the boundary of the power supply layer plane to form a rectangle; wherein the printed circuit board includes: the EBG structure and the winding structure;

a slotted hole is formed in the plane of the power supply layer of each EBG unit;

and arranging a winding structure from the periphery to the inner periphery or from the inner periphery to the outer periphery of the hollowed part at the periphery of each EBG unit.

7. The design method as claimed in claim 6, wherein the forming of the slot on the power plane of each EBG cell comprises:

and the central position of the plane of the power supply layer of each EBG unit is provided with the slotted hole.

8. The design method as claimed in claim 5 or 6, wherein the slot is square and 5mm long.

9. The design method of claim 6, wherein the winding structure is a 4-fold winding structure.

10. The design method according to claim 6 or 9, wherein the width of the winding structure is 2mm, and each folding line of the winding structure has a width of 0.2mm and a length of 20 mm.