PCB Help

Discussion in 'Homework Help' started by tahirkn, Jan 21, 2012.

  1. tahirkn

    Thread Starter New Member

    Jun 5, 2011
    3
    0
    I design this pcb for servo voltage control. Please guide me if any mistake in it hen please solve for me.
     
  2. panic mode

    Senior Member

    Oct 10, 2011
    1,321
    304
    can you post schematic?
    why are D9 and D10 in anti-parallel?
     
  3. n1ist

    Active Member

    Mar 8, 2009
    171
    16
    Is the connection between TIP127-2/7k5 and D9/D10/zener intentional? If so, I would run the trace so it doesn't look like an accidental cross (4-way connection).

    Check your trace-to-pad clearances; there are a few places, like the 8V input connector pins or the anode of D4 where they look a bit close

    I was taught to avoid 90-degree bends in traces, and to use two 45-degree ones instead.

    Make the polarity indicators for the electrolytics a bit larger and visible when the part is loaded.
    /mike
     
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