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What meaning are these terms of modeling in spice simulation?

Discussion in 'Electronic Design' started by readeraz, Mar 5, 2008.

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  1. readeraz

    readeraz Guest

    There are some terms of transformer modeling in spice simulation, like
    below,

    ..SUBCKT 1TO1#0 1 2 3 4
    VISRC 9 4 DC 0V
    FCTRL 6 2 VISRC 1E+0
    EVCVS 8 9 5 2 1E+0
    RPRI 1 7 1E-1
    RSEC 8 3 1E-1
    LLEAK 7 5 1E-6
    LMAGNET 6 5 1E-6
    ..ENDS 1TO1

    I hope to know, what the terms of VISRC and FCTRL are?
    and when I use specification of
    ..
    FCTRL 6 2 VISRC 1E-1
    EVCVS 8 9 5 2 1E-1

    the simulation can be run, but if according to above specificagtion(1E
    +0)
    the simulation will stop,
    what happed? why
     
  2. readeraz

    readeraz Guest

    Thank you very much, Paul,
    I change both of them.
    when dont change, prompt is
    too samll step . then hang.
     
  3. readeraz

    readeraz Guest

    Thank ou RL,
     
  4. Probably too small a time step in your .TRAN statement. Or the step size
    is OK, but the time range is too big.
     
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