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A quick list of common errors in schematic diagrams and PCB design
Date:October 1, 2025    Views:11

    In the field of electronic design, schematic diagrams and PCB design are the cornerstones of product development. However, various problems are inevitable during the design process. If not promptly addressed, they may affect the performance and reliability of the circuit board. This article will list common errors in schematic diagrams and PCB design and organize them into a practical quick reference list for your reference.

01
Common mistakes in schematic design

① The ERC report pin is not connected to the signal

When creating the package, I/O attributes were wrongly defined for the pins.
When creating or placing components, inconsistent grid properties were modified, resulting in the pins and wires not being connected.
When creating the component, the pin direction was reversed and the connection was incorrect.

 

② The component ran out of the drawing boundary

The component was not created in the center of the component library chart paper.

 

③ The network table of engineering files can only be partially loaded into the PCB

When generating the netlist, "global" was not selected.

 

④When using custom components composed of multiple parts

Mistakenly using the annotate function.

02
Common mistakes in PCB designCB

① The network reported that the NODE was not found when loading

The components in the schematic diagram use packages that are not in the PCB library.

The components in the schematic diagram use packages with inconsistent names in the PCB library.

The components in the schematic diagram use packages with inconsistent pin numbers in the PCB library.

 

② It cannot be printed onto a single page when printing

When creating the PCB library, it was not set at the origin.

There are hidden characters outside the PCB board boundary.

 

③ The DRC reporting network is divided into several parts

The network is not connected. You need to use CONNECTEDCOPPER to search.



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