b3soipdcheck.c

ngspice又一个电子CAD仿真软件代码.功能更全

/**********
Copyright 1990 Regents of the University of California.  All rights reserved.
Author: 1998 Samuel Fung, Dennis Sinitsky and Stephen Tang
File: b3soipdcheck.c          98/5/01
Modified by Pin Su and Jan Feng	99/2/15
Modified by Pin Su 99/4/30
Modified by Pin Su 00/3/1
Modified by Pin Su and Hui Wan 02/3/5
Modifies by Paolo Nenzi 2002
**********/

/*
 * Revision 2.2.3  02/3/5  Pin Su 
 * BSIMPD2.2.3 release
 */

#include "ngspice.h"
#include "cktdefs.h"
#include "b3soipddef.h"
#include "trandefs.h"
#include "const.h"
#include "sperror.h"
#include "devdefs.h"
#include "suffix.h"

int
B3SOIPDcheckModel(B3SOIPDmodel *model, B3SOIPDinstance *here, CKTcircuit *ckt)
{
struct b3soipdSizeDependParam *pParam;
int Fatal_Flag = 0;
FILE *fplog;
    
    if ((fplog = fopen("b3soipdv223check.log", "w")) != NULL)
    {   pParam = here->pParam;
	fprintf(fplog, "B3SOIPDV223 Parameter Check\n");
	fprintf(fplog, "Model = %s\n", model->B3SOIPDmodName);
	fprintf(fplog, "W = %g, L = %g, M = %g\n", here->B3SOIPDw, 
	here->B3SOIPDl, here->B3SOIPDm);
   	    

            if (pParam->B3SOIPDnlx < -pParam->B3SOIPDleff)
	    {   fprintf(fplog, "Fatal: Nlx = %g is less than -Leff.\n",
			pParam->B3SOIPDnlx);
	        printf("Fatal: Nlx = %g is less than -Leff.\n",
			pParam->B3SOIPDnlx);
		Fatal_Flag = 1;
            }

	if (model->B3SOIPDtox <= 0.0)
	{   fprintf(fplog, "Fatal: Tox = %g is not positive.\n",
		    model->B3SOIPDtox);
	    printf("Fatal: Tox = %g is not positive.\n", model->B3SOIPDtox);
	    Fatal_Flag = 1;
	}

/* v2.2.3 */
        if (model->B3SOIPDtox - model->B3SOIPDdtoxcv <= 0.0)
        {   fprintf(fplog, "Fatal: Tox - dtoxcv = %g is not positive.\n",
                    model->B3SOIPDtox - model->B3SOIPDdtoxcv);
            printf("Fatal: Tox - dtoxcv = %g is not positive.\n", model->B3SOIPDtox - model->B3SOIPDdtoxcv);
            Fatal_Flag = 1;
        }


	if (model->B3SOIPDtbox <= 0.0)
	{   fprintf(fplog, "Fatal: Tbox = %g is not positive.\n",
		    model->B3SOIPDtbox);
	    printf("Fatal: Tbox = %g is not positive.\n", model->B3SOIPDtbox);
	    Fatal_Flag = 1;
	}

	if (pParam->B3SOIPDnpeak <= 0.0)
	{   fprintf(fplog, "Fatal: Nch = %g is not positive.\n",
		    pParam->B3SOIPDnpeak);
	    printf("Fatal: Nch = %g is not positive.\n",
		   pParam->B3SOIPDnpeak);
	    Fatal_Flag = 1;
	}
	if (pParam->B3SOIPDngate < 0.0)
	{   fprintf(fplog, "Fatal: Ngate = %g is not positive.\n",
		    pParam->B3SOIPDngate);
	    printf("Fatal: Ngate = %g Ngate is not positive.\n",
		   pParam->B3SOIPDngate);
	    Fatal_Flag = 1;
	}
	if (pParam->B3SOIPDngate > 1.e25)
	{   fprintf(fplog, "Fatal: Ngate = %g is too high.\n",
		    pParam->B3SOIPDngate);
	    printf("Fatal: Ngate = %g Ngate is too high\n",
		   pParam->B3SOIPDngate);
	    Fatal_Flag = 1;
	}

	if (pParam->B3SOIPDdvt1 < 0.0)
	{   fprintf(fplog, "Fatal: Dvt1 = %g is negative.\n",
		    pParam->B3SOIPDdvt1);   
	    printf("Fatal: Dvt1 = %g is negative.\n", pParam->B3SOIPDdvt1);   
	    Fatal_Flag = 1;
	}
	    
	if (pParam->B3SOIPDdvt1w < 0.0)
	{   fprintf(fplog, "Fatal: Dvt1w = %g is negative.\n",
		    pParam->B3SOIPDdvt1w);
	    printf("Fatal: Dvt1w = %g is negative.\n", pParam->B3SOIPDdvt1w);
	    Fatal_Flag = 1;
	}
	    
	if (pParam->B3SOIPDw0 == -pParam->B3SOIPDweff)
	{   fprintf(fplog, "Fatal: (W0 + Weff) = 0 cauing divided-by-zero.\n");
	    printf("Fatal: (W0 + Weff) = 0 cauing divided-by-zero.\n");
	    Fatal_Flag = 1;
        }   

	if (pParam->B3SOIPDdsub < 0.0)
	{   fprintf(fplog, "Fatal: Dsub = %g is negative.\n", pParam->B3SOIPDdsub);
	    printf("Fatal: Dsub = %g is negative.\n", pParam->B3SOIPDdsub);
	    Fatal_Flag = 1;
	}
	if (pParam->B3SOIPDb1 == -pParam->B3SOIPDweff)
	{   fprintf(fplog, "Fatal: (B1 + Weff) = 0 causing divided-by-zero.\n");
	    printf("Fatal: (B1 + Weff) = 0 causing divided-by-zero.\n");
	    Fatal_Flag = 1;
        }  
        if (pParam->B3SOIPDu0temp <= 0.0)
	{   fprintf(fplog, "Fatal: u0 at current temperature = %g is not positive.\n", pParam->B3SOIPDu0temp);
	    printf("Fatal: u0 at current temperature = %g is not positive.\n",
		   pParam->B3SOIPDu0temp);
	    Fatal_Flag = 1;
        }
    
/* Check delta parameter */      
        if (pParam->B3SOIPDdelta < 0.0)
	{   fprintf(fplog, "Fatal: Delta = %g is less than zero.\n",
		    pParam->B3SOIPDdelta);
	    printf("Fatal: Delta = %g is less than zero.\n", pParam->B3SOIPDdelta);
	    Fatal_Flag = 1;
        }      

	if (pParam->B3SOIPDvsattemp <= 0.0)
	{   fprintf(fplog, "Fatal: Vsat at current temperature = %g is not positive.\n", pParam->B3SOIPDvsattemp);
	    printf("Fatal: Vsat at current temperature = %g is not positive.\n",
		   pParam->B3SOIPDvsattemp);
	    Fatal_Flag = 1;
	}
/* Check Rout parameters */
	if (pParam->B3SOIPDpclm <= 0.0)
	{   fprintf(fplog, "Fatal: Pclm = %g is not positive.\n", pParam->B3SOIPDpclm);
	    printf("Fatal: Pclm = %g is not positive.\n", pParam->B3SOIPDpclm);
	    Fatal_Flag = 1;
	}

	if (pParam->B3SOIPDdrout < 0.0)
	{   fprintf(fplog, "Fatal: Drout = %g is negative.\n", pParam->B3SOIPDdrout);
	    printf("Fatal: Drout = %g is negative.\n", pParam->B3SOIPDdrout);
	    Fatal_Flag = 1;
	}
      if ( model->B3SOIPDunitLengthGateSidewallJctCap > 0.0)
      {
	if (here->B3SOIPDdrainPerimeter < pParam->B3SOIPDweff)
	{   fprintf(fplog, "Warning: Pd = %g is less than W.\n",
		    here->B3SOIPDdrainPerimeter);
	   printf("Warning: Pd = %g is less than W.\n",
		    here->B3SOIPDdrainPerimeter);
            here->B3SOIPDdrainPerimeter =pParam->B3SOIPDweff; 
	}
	if (here->B3SOIPDsourcePerimeter < pParam->B3SOIPDweff)
	{   fprintf(fplog, "Warning: Ps = %g is less than W.\n",
		    here->B3SOIPDsourcePerimeter);
	   printf("Warning: Ps = %g is less than W.\n",
		    here->B3SOIPDsourcePerimeter);
            here->B3SOIPDsourcePerimeter =pParam->B3SOIPDweff;
	}
      }
/* Check capacitance parameters */
        if (pParam->B3SOIPDclc < 0.0)
	{   fprintf(fplog, "Fatal: Clc = %g is negative.\n", pParam->B3SOIPDclc);
	    printf("Fatal: Clc = %g is negative.\n", pParam->B3SOIPDclc);
	    Fatal_Flag = 1;
        } 

/* v2.2.3 */
        if (pParam->B3SOIPDmoin < 5.0)
        {   fprintf(fplog, "Warning: Moin = %g is too small.\n",
                    pParam->B3SOIPDmoin);
            printf("Warning: Moin = %g is too small.\n", pParam->B3SOIPDmoin);
        }
        if (pParam->B3SOIPDmoin > 25.0)
        {   fprintf(fplog, "Warning: Moin = %g is too large.\n",
                    pParam->B3SOIPDmoin);
            printf("Warning: Moin = %g is too large.\n", pParam->B3SOIPDmoin);
        }


	if (model->B3SOIPDcapMod == 3) {
		if (pParam->B3SOIPDacde < 0.4)
		{  fprintf (fplog, "Warning: Acde = %g is too small.\n",
		   	    pParam->B3SOIPDacde);
 		   printf ("Warning: Acde = %g is too small.\n",
                    	    pParam->B3SOIPDacde);
		}
		if (pParam->B3SOIPDacde > 1.6)
		{  fprintf (fplog, "Warning: Acde = %g is too large.\n",
		   	    pParam->B3SOIPDacde);
 		   printf ("Warning: Acde = %g is too large.\n",
                    	    pParam->B3SOIPDacde);
		}
	}
/* v2.2.3 */
     
      if (model->B3SOIPDparamChk ==1)
      {
/* Check L and W parameters */ 
	if (pParam->B3SOIPDleff <= 5.0e-8)
	{   fprintf(fplog, "Warning: Leff = %g may be too small.\n",
	            pParam->B3SOIPDleff);
	    printf("Warning: Leff = %g may be too small.\n",
		    pParam->B3SOIPDleff);
	}    
	
	if (pParam->B3SOIPDleffCV <= 5.0e-8)
	{   fprintf(fplog, "Warning: Leff for CV = %g may be too small.\n",
		    pParam->B3SOIPDleffCV);
	    printf("Warning: Leff for CV = %g may be too small.\n",
		   pParam->B3SOIPDleffCV);
	}  
	
        if (pParam->B3SOIPDweff <= 1.0e-7)
	{   fprintf(fplog, "Warning: Weff = %g may be too small.\n",
		    pParam->B3SOIPDweff);
	    printf("Warning: Weff = %g may be too small.\n",
		   pParam->B3SOIPDweff);
	}             
	
	if (pParam->B3SOIPDweffCV <= 1.0e-7)
	{   fprintf(fplog, "Warning: Weff for CV = %g may be too small.\n",
		    pParam->B3SOIPDweffCV);
	    printf("Warning: Weff for CV = %g may be too small.\n",
		   pParam->B3SOIPDweffCV);
	}        
	
/* Check threshold voltage parameters */
	if (pParam->B3SOIPDnlx < 0.0)
	{   fprintf(fplog, "Warning: Nlx = %g is negative.\n", pParam->B3SOIPDnlx);
	   printf("Warning: Nlx = %g is negative.\n", pParam->B3SOIPDnlx);
        }
	if (model->B3SOIPDtox < 1.0e-9)
	{   fprintf(fplog, "Warning: Tox = %g is less than 10A.\n",
	            model->B3SOIPDtox);
	    printf("Warning: Tox = %g is less than 10A.\n", model->B3SOIPDtox);
        }

        if (pParam->B3SOIPDnpeak <= 1.0e15)
	{   fprintf(fplog, "Warning: Nch = %g may be too small.\n",
	            pParam->B3SOIPDnpeak);
	    printf("Warning: Nch = %g may be too small.\n",
	           pParam->B3SOIPDnpeak);
	}
	else if (pParam->B3SOIPDnpeak >= 1.0e21)
	{   fprintf(fplog, "Warning: Nch = %g may be too large.\n",
	            pParam->B3SOIPDnpeak);
	    printf("Warning: Nch = %g may be too large.\n",
	           pParam->B3SOIPDnpeak);
	}

	if (fabs(pParam->B3SOIPDnsub) >= 1.0e21)
	{   fprintf(fplog, "Warning: Nsub = %g may be too large.\n",
	            pParam->B3SOIPDnsub);
	    printf("Warning: Nsub = %g may be too large.\n",
	           pParam->B3SOIPDnsub);
	}

	if ((pParam->B3SOIPDngate > 0.0) &&
	    (pParam->B3SOIPDngate <= 1.e18))
	{   fprintf(fplog, "Warning: Ngate = %g is less than 1.E18cm^-3.\n",
	            pParam->B3SOIPDngate);
	    printf("Warning: Ngate = %g is less than 1.E18cm^-3.\n",
	           pParam->B3SOIPDngate);
	}
       
        if (pParam->B3SOIPDdvt0 < 0.0)
	{   fprintf(fplog, "Warning: Dvt0 = %g is negative.\n",
		    pParam->B3SOIPDdvt0);   
	    printf("Warning: Dvt0 = %g is negative.\n", pParam->B3SOIPDdvt0);   
	}
	    
	if (fabs(1.0e-6 / (pParam->B3SOIPDw0 + pParam->B3SOIPDweff)) > 10.0)
	{   fprintf(fplog, "Warning: (W0 + Weff) may be too small.\n");
	    printf("Warning: (W0 + Weff) may be too small.\n");
        }

/* Check subthreshold parameters */
	if (pParam->B3SOIPDnfactor < 0.0)
	{   fprintf(fplog, "Warning: Nfactor = %g is negative.\n",
		    pParam->B3SOIPDnfactor);
	    printf("Warning: Nfactor = %g is negative.\n", pParam->B3SOIPDnfactor);
	}
	if (pParam->B3SOIPDcdsc < 0.0)
	{   fprintf(fplog, "Warning: Cdsc = %g is negative.\n",
		    pParam->B3SOIPDcdsc);
	    printf("Warning: Cdsc = %g is negative.\n", pParam->B3SOIPDcdsc);
	}
	if (pParam->B3SOIPDcdscd < 0.0)
	{   fprintf(fplog, "Warning: Cdscd = %g is negative.\n",
		    pParam->B3SOIPDcdscd);
	    printf("Warning: Cdscd = %g is negative.\n", pParam->B3SOIPDcdscd);
	}
/* Check DIBL parameters */
	if (pParam->B3SOIPDeta0 < 0.0)
	{   fprintf(fplog, "Warning: Eta0 = %g is negative.\n",
		    pParam->B3SOIPDeta0); 
	    printf("Warning: Eta0 = %g is negative.\n", pParam->B3SOIPDeta0); 
	}
	      
/* Check Abulk parameters */	    
        if (fabs(1.0e-6 / (pParam->B3SOIPDb1 + pParam->B3SOIPDweff)) > 10.0)
       	{   fprintf(fplog, "Warning: (B1 + Weff) may be too small.\n");
       	    printf("Warning: (B1 + Weff) may be too small.\n");
        }    

/* Check Saturation parameters */
     	if (pParam->B3SOIPDa2 < 0.01)
	{   fprintf(fplog, "Warning: A2 = %g is too small. Set to 0.01.\n", pParam->B3SOIPDa2);
	    printf("Warning: A2 = %g is too small. Set to 0.01.\n",
		   pParam->B3SOIPDa2);
	    pParam->B3SOIPDa2 = 0.01;
	}
	else if (pParam->B3SOIPDa2 > 1.0)
	{   fprintf(fplog, "Warning: A2 = %g is larger than 1. A2 is set to 1 and A1 is set to 0.\n",
		    pParam->B3SOIPDa2);
	    printf("Warning: A2 = %g is larger than 1. A2 is set to 1 and A1 is set to 0.\n",
		   pParam->B3SOIPDa2);
	    pParam->B3SOIPDa2 = 1.0;
	    pParam->B3SOIPDa1 = 0.0;

	}

	if (pParam->B3SOIPDrdsw < 0.0)
	{   fprintf(fplog, "Warning: Rdsw = %g is negative. Set to zero.\n",
		    pParam->B3SOIPDrdsw);
	    printf("Warning: Rdsw = %g is negative. Set to zero.\n",
		   pParam->B3SOIPDrdsw);
	    pParam->B3SOIPDrdsw = 0.0;
	    pParam->B3SOIPDrds0 = 0.0;
	}
	else if ((pParam->B3SOIPDrds0 > 0.0) && (pParam->B3SOIPDrds0 < 0.001))
	{   fprintf(fplog, "Warning: Rds at current temperature = %g is less than 0.001 ohm. Set to zero.\n",
		    pParam->B3SOIPDrds0);
	    printf("Warning: Rds at current temperature = %g is less than 0.001 ohm. Set to zero.\n",
		   pParam->B3SOIPDrds0);
	    pParam->B3SOIPDrds0 = 0.0;
	}
	 if (pParam->B3SOIPDvsattemp < 1.0e3)
	{   fprintf(fplog, "Warning: Vsat at current temperature = %g may be too small.\n", pParam->B3SOIPDvsattemp);
	   printf("Warning: Vsat at current temperature = %g may be too small.\n", pParam->B3SOIPDvsattemp);
	}

	if (pParam->B3SOIPDpdibl1 < 0.0)
	{   fprintf(fplog, "Warning: Pdibl1 = %g is negative.\n",
		    pParam->B3SOIPDpdibl1);
	    printf("Warning: Pdibl1 = %g is negative.\n", pParam->B3SOIPDpdibl1);
	}
	if (pParam->B3SOIPDpdibl2 < 0.0)
	{   fprintf(fplog, "Warning: Pdibl2 = %g is negative.\n",
		    pParam->B3SOIPDpdibl2);
	    printf("Warning: Pdibl2 = %g is negative.\n", pParam->B3SOIPDpdibl2);
	}
/* Check overlap capacitance parameters */
        if (model->B3SOIPDcgdo < 0.0)
	{   fprintf(fplog, "Warning: cgdo = %g is negative. Set to zero.\n", model->B3SOIPDcgdo);
	    printf("Warning: cgdo = %g is negative. Set to zero.\n", model->B3SOIPDcgdo);
	    model->B3SOIPDcgdo = 0.0;