How to Minimize Parasitic Capacitance in PCB

Discussion in 'General Electronics Chat' started by sailmike, Apr 21, 2016.

  1. sailmike

    Thread Starter Member

    Nov 11, 2013
    143
    3
    I have a circuit design that's highly influenced by parasitic capacitance. I need advice on how to design my PCB to minimize parasitic capacitance. I've attached the schematic. There will also be a potentiometer where M3, M4, and M7 meet to help balance this circuit.



    Thanks,
    Mike
    upload_2016-4-21_13-54-28.jpeg
     
  2. crutschow

    Expert

    Mar 14, 2008
    12,988
    3,226
    To minimize parasitic capacitance make the critical traces as narrow as the PCB process can handle, keep a good distance from nearby traces. and have no other traces or ground plane underneath the trace.
    Also keep the traces as short as possible.
     
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