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Recent content by sunbox23

  1. S

    I got a problem in OrCAD Pspice

    I am fixing the drawing errors and looking over the circuit again. Maybe I also should modify the circuit of bandgap reference. Thank you for your help.I really appreciate it. sunbox.
  2. S

    I got a problem in OrCAD Pspice

    Oh,it's my fault.I should be more carefully.Thank you very much.
  3. S

    I got a problem in OrCAD Pspice

    I modify Q26's gate and check Q4/5/6/7: but the problem is still not resolved. how to set parameters in this picture when simulation is running:
  4. S

    I got a problem in OrCAD Pspice

    In that picture , there is not include the Supply voltage and input signals. But in pspice schemattic document picture ,they are included
  5. S

    I got a problem in OrCAD Pspice

    this is a circuit of CMOS Low-Power Operational Amplifier the picture of the circuit is in the attachment: I am also puzzled by the following errors : ERROR -- Convergence problem in DC sweep and ERROR -- Discontinuing simulation due to convergence problem how to solve these...
  6. S

    I got a problem in OrCAD Pspice

    I got a problem in OrCAD Pspice ,I really need you help !! The error code is : **** 05/13/10 01:41:38 ******* PSpice 10.5.0 (Jan 2005) ******* ID# 2090008641 ** Profile: "SCHEMATIC1-1" [ D:\PROGRAM FILES\ORCAD\ORCAD_10.5\1\testfile1-pspicefiles\schematic1\1.sim ] **** CIRCUIT...
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