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TDA2E: meaning of SCH lable ER8 and REV G3

Amelie Zheng
Genius 10865 points
Part Number: TDA2E


Hi Team,

May I ask a simply question about SCH?

There are some ER8 and REV G3 labels in the schematic diagram of J6. Do these labels have any special meaning?

https://www.ti.com/lit/df/sprr210/sprr210.pdf?ts=1599546624028&ref_url=https%253A%252F%252Fwww.ti.com%252Ftool%252FJ6EVM5777

 

  • 0
    TI__Guru 53275 points

    The labels are used to track changes as the design progressed.  Rev G2 label was to time-track when a specific change was made (like not populating the R256 resistor).  ER8 is similar, used to track change requests (like changing the population options between R795 and R796.  The schematic includes a change log which summarizes all the changes.