Printed circuit board
A printed circuit board and transmission line electrical technology, applied in the direction of printed circuit components, etc., can solve problems affecting signal transmission quality, differential signal impedance discontinuity, etc., and achieve the effect of ensuring transmission quality
Inactive Publication Date: 2012-10-31
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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The invention relates to a printed circuit board, which comprises a first signal layer, a first reference layer, a second signal layer and a third signal layer which are stacked sequentially, wherein a first differential couple is arranged on the first signal layer in an edge coupling manner, and comprises a first differential transmission line and a second differential transmission line which are adjacent to each other; a second differential couple is arranged in the second and the third signal layers in a broadside coupling manner, and comprises a third differential transmission line arranged in the second signal layer and a fourth differential transmission line arranged in the third signal layer; the first differential transmission line is electrically connected with the third differential transmission line through a first inclined through hole; and the second differential transmission line is electrically connected with the fourth differential transmission line through a second inclined through hole.
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