mos3sacl.c

linux平台下类似著名的电路板作图软件 Spice的源代码

/**********
Copyright 1990 Regents of the University of California.  All rights reserved.
Author: 1985 Thomas L. Quarles
**********/

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

#include "spice.h"
#include <stdio.h>
#include "smpdefs.h"
#include "cktdefs.h"
#include "const.h"
#include "mos3defs.h"
#include "util.h"
#include "sperror.h"
#include "suffix.h"

int
MOS3sAcLoad(inModel,ckt)
GENmodel *inModel;
register CKTcircuit *ckt;
{
    register MOS3model *model = (MOS3model *)inModel;
    register MOS3instance *here;
    int xnrm;
    int xrev;
    double A0;
    double Apert;
    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;
    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("MOS3senacload\n");
    printf("CKTomega = %.5e\n",ckt->CKTomega);
#endif /* SENSDEBUG */
    info = ckt->CKTsenInfo;
    info->SENstatus = PERTURBATION;
    for( ; model != NULL; model = model->MOS3nextModel) {
        for(here = model->MOS3instances; here!= NULL;
                here = here->MOS3nextInstance) {

            /* save the unperturbed values in the state vector */
            for(i=0; i <= 16; i++)
                *(SaveState + i) = *(ckt->CKTstate0 + here->MOS3states + i);

            *(SaveState + 17) = here->MOS3sourceConductance;  
            *(SaveState + 18) = here->MOS3drainConductance;  
            *(SaveState + 19) = here->MOS3cd;  
            *(SaveState + 20) = here->MOS3cbs;  
            *(SaveState + 21) = here->MOS3cbd;  
            *(SaveState + 22) = here->MOS3gmbs;  
            *(SaveState + 23) = here->MOS3gm;  
            *(SaveState + 24) = here->MOS3gds;  
            *(SaveState + 25) = here->MOS3gbd;  
            *(SaveState + 26) = here->MOS3gbs;  
            *(SaveState + 27) = here->MOS3capbd;  
            *(SaveState + 28) = here->MOS3capbs;  
            *(SaveState + 29) = here->MOS3Cbd;  
            *(SaveState + 30) = here->MOS3Cbdsw;  
            *(SaveState + 31) = here->MOS3Cbs;  
            *(SaveState + 32) = here->MOS3Cbssw;  
            *(SaveState + 33) = here->MOS3f2d;  
            *(SaveState + 34) = here->MOS3f3d;  
            *(SaveState + 35) = here->MOS3f4d;  
            *(SaveState + 36) = here->MOS3f2s;  
            *(SaveState + 37) = here->MOS3f3s;  
            *(SaveState + 38) = here->MOS3f4s;  
            *(SaveState + 39) = here->MOS3cgs;  
            *(SaveState + 40) = here->MOS3cgd;  
            *(SaveState + 41) = here->MOS3cgb;  
            *(SaveState + 42) = here->MOS3vdsat;  
            *(SaveState + 43) = here->MOS3von;  
            save_mode  = here->MOS3mode;  

            xnrm=1;
            xrev=0;
            if (here->MOS3mode < 0) {
                xnrm=0;
                xrev=1;
            }

            vbsOp = model->MOS3type * ( 
            *(ckt->CKTrhsOp+here->MOS3bNode) -
                *(ckt->CKTrhsOp+here->MOS3sNodePrime));
            vbdOp = model->MOS3type * ( 
            *(ckt->CKTrhsOp+here->MOS3bNode) -
                *(ckt->CKTrhsOp+here->MOS3dNodePrime));
            vspr = *(ckt->CKTrhsOld + here->MOS3sNode) 
                - *(ckt->CKTrhsOld +
                    here->MOS3sNodePrime) ;
            ivspr = *(ckt->CKTirhsOld + here->MOS3sNode) 
                - *(ckt->CKTirhsOld +
                    here->MOS3sNodePrime) ;
            vdpr = *(ckt->CKTrhsOld + here->MOS3dNode) 
                - *(ckt->CKTrhsOld +
                    here->MOS3dNodePrime) ;
            ivdpr = *(ckt->CKTirhsOld + here->MOS3dNode) 
                - *(ckt->CKTirhsOld +
                    here->MOS3dNodePrime) ;
            vgb = *(ckt->CKTrhsOld + here->MOS3gNode) 
                - *(ckt->CKTrhsOld +
                    here->MOS3bNode) ;
            ivgb = *(ckt->CKTirhsOld + here->MOS3gNode) 
                - *(ckt->CKTirhsOld +
                    here->MOS3bNode) ;
            vbs = *(ckt->CKTrhsOld + here->MOS3bNode) 
                - *(ckt->CKTrhsOld +
                    here->MOS3sNodePrime) ;
            ivbs = *(ckt->CKTirhsOld + here->MOS3bNode) 
                - *(ckt->CKTirhsOld +
                    here->MOS3sNodePrime) ;
            vbd = *(ckt->CKTrhsOld + here->MOS3bNode) 
                - *(ckt->CKTrhsOld +
                    here->MOS3dNodePrime) ;
            ivbd = *(ckt->CKTirhsOld + here->MOS3bNode) 
                - *(ckt->CKTirhsOld +
                    here->MOS3dNodePrime) ;
            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->MOS3name);
            printf("gate = %d ,drain = %d, drainprm = %d\n",
                    here->MOS3gNode,here->MOS3dNode,here->MOS3dNodePrime);
            printf("source = %d , sourceprm = %d ,body = %d, senparmno = %d\n",
                    here->MOS3sNode ,here->MOS3sNodePrime,
                    here->MOS3bNode,here->MOS3senParmNo);
            printf("\n without  perturbation \n");
#endif /* SENSDEBUG */
            /*  without  perturbation  */
            *(ckt->CKTstate0 + here->MOS3vbs) = vbsOp;
            *(ckt->CKTstate0 + here->MOS3vbd) = vbdOp;

            here->MOS3senPertFlag = ON ;
            if(info->SENacpertflag == 1){
                /* store the  unperturbed values of small signal parameters */
                if(error = MOS3load((GENmodel*)model,ckt)) return(error);
                *(here->MOS3senCgs) = here->MOS3cgs;
                *(here->MOS3senCgd) = here->MOS3cgd;
                *(here->MOS3senCgb) = here->MOS3cgb;
                *(here->MOS3senCbd) = here->MOS3capbd;
                *(here->MOS3senCbs) = here->MOS3capbs;
                *(here->MOS3senGds) = here->MOS3gds;
                *(here->MOS3senGbs) = here->MOS3gbs;
                *(here->MOS3senGbd) = here->MOS3gbd;
                *(here->MOS3senGm) = here->MOS3gm;
                *(here->MOS3senGmbs) = here->MOS3gmbs;

            }
            xcgs0= *(here->MOS3senCgs) * ckt->CKTomega;
            xcgd0= *(here->MOS3senCgd) * ckt->CKTomega;
            xcgb0= *(here->MOS3senCgb) * ckt->CKTomega;
            xbd0= *(here->MOS3senCbd) * ckt->CKTomega;
            xbs0= *(here->MOS3senCbs) * ckt->CKTomega;
            gds0= *(here->MOS3senGds);
            gbs0= *(here->MOS3senGbs);
            gbd0= *(here->MOS3senGbd);
            gm0= *(here->MOS3senGm);
            gmbs0= *(here->MOS3senGmbs);
            gdpr0 = here->MOS3drainConductance;
            gspr0 = here->MOS3sourceConductance;