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Recent content by kumi

  1. K

    Dracula errors: layer me1 has not been define yet

    Dracula errors Did you use the "ME1" layer in layout? Is the layer definiens in the techfile same as the drc rule file?
  2. K

    IC50 corner simulation question

    corner simulation mos transistor dear all: I had a question in using the corner simulation of cadence ic50.I use the singleModelLib.In the model file there are 6 section,"tt","fs","sf","ff","ss" for mos transistor and "res" for resistor. I want set the corner with mos transistor section and...
  3. K

    Who can help me ??? IC5141 USER3

    If you use the c-shell ,you can add <setenv CDS_Netlisting_Mode "Analog"> in .cshrc file.
  4. K

    Error when simulating OPA in Hspice: size parameter negative

    when i try to simulate an opa in hspice. I got the following error message: size parameter negative in extmem abort: internal memory manager error at entry extmem i don't konw it's means.does someone can tell me?? thank's a lot
  5. K

    Hspice error: xsram has 34 nodes, sram has 60 nodes

    hspice error I think it's means the subcircuit "sram" you defined have 60 nodes.but when you call the subcircuit.you only define the 34 node. the syntax of subcircuit definition is : .subckt CircuitName node1 node2 ......noden ... ... .ends the syntax of call the subcircuit is: Xn node1 node2...
  6. K

    fully differential two stage opamps

    Operational Amplifiers: theory and design(by:Johan H.Huijsing) ,maybe this book can help you.
  7. K

    how to test the opa ? (not simulation)

    how to test the opa is there some way to test(not simulation,use in bench test) the CMRR,PSRR & THD of the full diff opa? thanks a lot.
  8. K

    Is AC analysis for a bandgap reference required

    Did you mean that we should do AC analysis for the opa for the load of the opa is changed?
  9. K

    How to solve idiculously long path truncated in Solaris 8

    question about solaris 8 Hi everyone,I had a question about "source" command in solaris 8 when I type the "source /xxxx/xxxxxxx/CSHRC/Cadence/.cshrc.cds5033"(if total characters is more than 49),I got an error message just like"warning: ridiculously long path truncated",I don't know how to...
  10. K

    IC50 error: V0: Waveform type must be specified

    ic50 problem no,I run the ic50 in rh7.2 and if it was caused by the OS problem. what can I do? Change the OS?Is there any version of Solaris for PC,or any other way. Thanks a lot
  11. K

    IC50 error: V0: Waveform type must be specified

    ic50 problem dear all: I got an error when I simulating the schemetic using ic50. The error information is: V0: Waveform type must be specified if any waveform parameters are given??? 8O (V0 is a vpwl source)Does anyone can help me ? thanks a lot
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