(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. That is, let a lead “drill” through the gap under other resistors, capacitors, and triode pins, or “wind” from one end of a lead that may cross. In special circumstances, how complex the circuit is, it is also necessary to simplify the design. It is allowed to connect with wires to solve the problem of cross circuit.
(2) Components such as resistors, diodes, and tubular capacitors can be installed in “vertical” and “horizontal” installation methods. The vertical type refers to the installation and welding of the component body perpendicular to the circuit board, which has the advantage of saving space. The horizontal type refers to the installation and welding of the component body in parallel and close to the circuit board, and its advantage is that the mechanical strength of the component installation is better.
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