mos2sacl.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: 1985 Thomas L. Quarles

This function is obsolete (was used by an old sensitivity analysis)
**********/

/* actually load the current ac sensitivity 
 * information into the  array previously provided 
 */

#include "ngspice.h"
#include "smpdefs.h"
#include "cktdefs.h"
#include "const.h"
#include "mos2defs.h"
#include "sperror.h"
#include "suffix.h"

int
MOS2sAcLoad(GENmodel *inModel, CKTcircuit *ckt)
{
    MOS2model *model = (MOS2model *)inModel;
    MOS2instance *here;
    int xnrm;
    int xrev;
    double A0;
    double Apert = 0.0;
    double DELA;
    double DELAinv;
    double gdpr0;
    double gspr0;
    double gds0;
    double gbs0;
    double gbd0;
    double gm0;
    double gmbs0;
    double gdpr;
    double gspr;
    double gds;
    double gbs;
    double gbd;
    double gm;
    double gmbs;
    double xcgs0;
    double xcgd0;
    double xcgb0;
    double xbd0;
    double xbs0;
    double xcgs;
    double xcgd;
    double xcgb;
    double xbd;
    double xbs;
    double vbsOp;
    double vbdOp;
    double vspr;
    double vdpr;
    double vgs;
    double vgd;
    double vgb;
    double vbs;
    double vbd;
    double vds;
    double ivspr;
    double ivdpr;
    double ivgs;
    double ivgd;
    double ivgb;
    double ivbs;
    double ivbd;
    double ivds;
    double cspr;
    double cdpr;
    double cgs;
    double cgd;
    double cgb;
    double cbs;
    double cbd;
    double cds;
    double cs0;
    double csprm0;
    double cd0;
    double cdprm0;
    double cg0;
    double cb0;
    double cs;
    double csprm;
    double cd;
    double cdprm;
    double cg;
    double cb;
    double icspr;
    double icdpr;
    double icgs;
    double icgd;
    double icgb;
    double icbs;
    double icbd;
    double icds;
    double ics0;
    double icsprm0;
    double icd0;
    double icdprm0;
    double icg0;
    double icb0;
    double ics;
    double icsprm;
    double icd;
    double icdprm;
    double icg;
    double icb;
    double DvDp = 0.0;
    int i;
    int flag;
    int error;
    int iparmno;
    double arg;
    double sarg;
    double sargsw;
    double SaveState[44];
    int    save_mode;
    SENstruct *info;

#ifdef SENSDEBUG
    printf("MOS2senacload\n");
    printf("CKTomega = %.5e\n",ckt->CKTomega);
#endif /* SENSDEBUG */
    info = ckt->CKTsenInfo;
    info->SENstatus = PERTURBATION;
    for( ; model != NULL; model = model->MOS2nextModel) {
        for(here = model->MOS2instances; here!= NULL;
                here = here->MOS2nextInstance) {
	    if (here->MOS2owner != ARCHme) continue;

            /* save the unperturbed values in the state vector */
            for(i=0; i <= 16; i++)
                *(SaveState + i) = *(ckt->CKTstate0 + here->MOS2states + i);

            *(SaveState + 17) = here->MOS2sourceConductance;  
            *(SaveState + 18) = here->MOS2drainConductance;  
            *(SaveState + 19) = here->MOS2cd;  
            *(SaveState + 20) = here->MOS2cbs;  
            *(SaveState + 21) = here->MOS2cbd;  
            *(SaveState + 22) = here->MOS2gmbs;  
            *(SaveState + 23) = here->MOS2gm;  
            *(SaveState + 24) = here->MOS2gds;  
            *(SaveState + 25) = here->MOS2gbd;  
            *(SaveState + 26) = here->MOS2gbs;  
            *(SaveState + 27) = here->MOS2capbd;  
            *(SaveState + 28) = here->MOS2capbs;  
            *(SaveState + 29) = here->MOS2Cbd;  
            *(SaveState + 30) = here->MOS2Cbdsw;  
            *(SaveState + 31) = here->MOS2Cbs;  
            *(SaveState + 32) = here->MOS2Cbssw;  
            *(SaveState + 33) = here->MOS2f2d;  
            *(SaveState + 34) = here->MOS2f3d;  
            *(SaveState + 35) = here->MOS2f4d;  
            *(SaveState + 36) = here->MOS2f2s;  
            *(SaveState + 37) = here->MOS2f3s;  
            *(SaveState + 38) = here->MOS2f4s;  
            *(SaveState + 39) = here->MOS2cgs;  
            *(SaveState + 40) = here->MOS2cgd;  
            *(SaveState + 41) = here->MOS2cgb;  
            *(SaveState + 42) = here->MOS2vdsat;  
            *(SaveState + 43) = here->MOS2von;  
            save_mode  = here->MOS2mode;  

            xnrm=1;
            xrev=0;
            if (here->MOS2mode < 0) {
                xnrm=0;
                xrev=1;
            }

            vbsOp = model->MOS2type * ( 
            *(ckt->CKTrhsOp+here->MOS2bNode) -
                *(ckt->CKTrhsOp+here->MOS2sNodePrime));
            vbdOp = model->MOS2type * ( 
            *(ckt->CKTrhsOp+here->MOS2bNode) -
                *(ckt->CKTrhsOp+here->MOS2dNodePrime));
            vspr = *(ckt->CKTrhsOld + here->MOS2sNode) 
                - *(ckt->CKTrhsOld +
                    here->MOS2sNodePrime) ;
            ivspr = *(ckt->CKTirhsOld + here->MOS2sNode) 
                - *(ckt->CKTirhsOld +
                    here->MOS2sNodePrime) ;
            vdpr = *(ckt->CKTrhsOld + here->MOS2dNode) 
                - *(ckt->CKTrhsOld +
                    here->MOS2dNodePrime) ;
            ivdpr = *(ckt->CKTirhsOld + here->MOS2dNode) 
                - *(ckt->CKTirhsOld +
                    here->MOS2dNodePrime) ;
            vgb = *(ckt->CKTrhsOld + here->MOS2gNode) 
                - *(ckt->CKTrhsOld +
                    here->MOS2bNode) ;
            ivgb = *(ckt->CKTirhsOld + here->MOS2gNode) 
                - *(ckt->CKTirhsOld +
                    here->MOS2bNode) ;
            vbs = *(ckt->CKTrhsOld + here->MOS2bNode) 
                - *(ckt->CKTrhsOld +
                    here->MOS2sNodePrime) ;
            ivbs = *(ckt->CKTirhsOld + here->MOS2bNode) 
                - *(ckt->CKTirhsOld +
                    here->MOS2sNodePrime) ;
            vbd = *(ckt->CKTrhsOld + here->MOS2bNode) 
                - *(ckt->CKTrhsOld +
                    here->MOS2dNodePrime) ;
            ivbd = *(ckt->CKTirhsOld + here->MOS2bNode) 
                - *(ckt->CKTirhsOld +
                    here->MOS2dNodePrime) ;
            vds = vbs - vbd ;
            ivds = ivbs - ivbd ;
            vgs = vgb + vbs ;
            ivgs = ivgb + ivbs ;
            vgd = vgb + vbd ;
            ivgd = ivgb + ivbd ;

#ifdef SENSDEBUG
            printf("senacload instance name %s\n",here->MOS2name);
            printf("gate = %d ,drain = %d, drainprm = %d\n", 
                    here->MOS2gNode,here->MOS2dNode,here->MOS2dNodePrime);
            printf("source = %d , sourceprm = %d ,body = %d, senparmno = %d\n",
                    here->MOS2sNode ,here->MOS2sNodePrime,
                    here->MOS2bNode,here->MOS2senParmNo);
            printf("\n without  perturbation \n");
#endif /* SENSDEBUG */
            /*  without  perturbation  */
            *(ckt->CKTstate0 + here->MOS2vbs) = vbsOp;
            *(ckt->CKTstate0 + here->MOS2vbd) = vbdOp;

            here->MOS2senPertFlag = ON ;
            if(info->SENacpertflag == 1){
                /* store the  unperturbed values of small signal parameters */
                if((error = MOS2load((GENmodel*)model,ckt)))
		  return(error);
                *(here->MOS2senCgs) = here->MOS2cgs;
                *(here->MOS2senCgd) = here->MOS2cgd;
                *(here->MOS2senCgb) = here->MOS2cgb;
                *(here->MOS2senCbd) = here->MOS2capbd;
                *(here->MOS2senCbs) = here->MOS2capbs;
                *(here->MOS2senGds) = here->MOS2gds;
                *(here->MOS2senGbs) = here->MOS2gbs;
                *(here->MOS2senGbd) = here->MOS2gbd;
                *(here->MOS2senGm) = here->MOS2gm;
                *(here->MOS2senGmbs) = here->MOS2gmbs;

            }
            xcgs0= *(here->MOS2senCgs) * ckt->CKTomega;
            xcgd0= *(here->MOS2senCgd) * ckt->CKTomega;
            xcgb0= *(here->MOS2senCgb) * ckt->CKTomega;
            xbd0= *(here->MOS2senCbd) * ckt->CKTomega;
            xbs0= *(here->MOS2senCbs) * ckt->CKTomega;
            gds0= *(here->MOS2senGds);
            gbs0= *(here->MOS2senGbs);
            gbd0= *(here->MOS2senGbd);
            gm0= *(here->MOS2senGm);
            gmbs0= *(here->MOS2senGmbs);
            gdpr0 = here->MOS2drainConductance;
            gspr0 = here->MOS2sourceConductance;