(1) Cross circuits are not allowed in printed circuits. For lines that may cross, you can use “drilling” and “winding” two methods to solve them. […]

High-current, high-power circuits should be avoided as far as possible in the central area of ​​the board, and the effects of heat dissipation and radiation should […]

Laminated design Under the premise of cost permitting, increasing the number of grounding layers and placing the signal layer close to the grounding layer can reduce […]