Simplify the NMOS or PMOS selection by setting only one parameter

'mostype'
ngspice-37+ is required.

examples/xspice/table/table-generator-b4-2d.sp

@@ -1,25 +1,29 @@
 ** NMOSFET: table generator with BSIM4 2D (Vdrain, Vgate)
 * This file may be run by 'ngspice table-generator-b4-2d.sp'
-* It will generate a 2D data table by simulating the MOS drain current 
+* It will generate a 2D data table by simulating the MOS drain current
 * as function of drain and gate voltages. The simulation uses
 * the ngspice BSIM4.6.1 MOS model and Berkeley model parameters.
 * This table is an input file for the XSPICE 2D table model.
-* You have to select NMOS or PMOS by manually editing this file: currently
-* PMOS is selected. For NMOS change '*' in column 1 
-* for CSPARAM, m1, outfile, echo *table...
+* You have to select NMOS or PMOS by manually editing parameter
+* 'mostype'.
 * In addition you may change the step sizes vdstep vgstep vbstep in CSPARAM
 * to obtain the required resolution for the data.
 * These tables will contain pure dc data. For transient simulation you may
 * need to add some capacitors to the device model for a 'real world' simulation.
 
-*NMOS
-*.csparam vdstart=-0.1
-*.csparam vdstop=1.8
-*.csparam vdstep=0.05
-*.csparam vgstart=-0.1
-*.csparam vgstop=1.8
-*.csparam vgstep=0.05
+* setting the MOS type (NMOS or PMOS)
+.param mostype = 2 ; NMOS, 2 for PMOS
 
+.if (mostype == 1)
+*NMOS
+.csparam vdstart=-0.1
+.csparam vdstop=1.8
+.csparam vdstep=0.01
+.csparam vgstart=-0.1
+.csparam vgstop=1.8
+.csparam vgstep=0.01
+.csparam mtype=1
+.elseif (mostype == 2)
 *PMOS
 .csparam vdstart=-1.8
 .csparam vdstop=0.1
@@ -27,22 +31,41 @@
 .csparam vgstart=-1.8
 .csparam vgstop=0.1
 .csparam vgstep=0.01
+.csparam mtype=2
+.endif
 
 ** Circuit Description **
-*m1 2 1 3 0 nbsim4 L=0.13u W=10.0u rgeoMod=1
+.if (mostype == 1)
+m1 2 1 3 0 nbsim4 L=0.13u W=10.0u rgeoMod=1
+.elseif (mostype == 2)
 m1 2 1 3 0 pbsim4 L=0.13u W=10.0u rgeoMod=1
+.endif
 vgs 1 0 1.8
 vds 2 0 1.8
 vss 3 0 0
 
 .control
 ** output file **
-*set outfile = "bsim4n-2d-1.table"
-set outfile = "bsim4p-2d-1.table"
+echo
+if mtype = 1
+  set outfile = "$inputdir/bsim4n-2d-1.table"
+  echo nmos table generation , table is written to
+  echo $outfile
+else
+  if mtype = 2
+    set outfile = "$inputdir/bsim4p-2d-1.table"
+    echo pmos table generation , table is written to
+    echo $outfile
+  end
+end
+echo
 
 save i(vss)
-*echo *table for nmos bsim 4 > $outfile
-echo *table for pmos bsim 4 > $outfile
+if mtype = 1
+  echo *table for nmos bsim 4 > $outfile
+else
+  echo *table for pmos bsim 4 > $outfile
+end
 
 let xcount = floor((vdstop-vdstart)/vdstep) + 1
 let ycount = floor((vgstop-vgstart)/vgstep) + 1
@@ -95,7 +118,10 @@ end
 
 .endc
 
-.include ./modelcards/modelcard.pmos
+.if (mostype == 1)
 .include ./modelcards/modelcard.nmos
+.elseif (mostype == 2)
+.include ./modelcards/modelcard.pmos
+.endif
 
 .end

examples/xspice/table/table-generator-b4-3d.sp

@@ -1,17 +1,20 @@
 ** NMOSFET: table generator with BSIM4 3D (Vdrain, Vgate, Vbulk)
 * This file may be run by 'ngspice table-generator-b4-3d.sp'
-* It will generate a 3D data table by simulating the MOS drain current 
+* It will generate a 3D data table by simulating the MOS drain current
 * as function of drain and gate voltages. The simulation uses
 * the ngspice BSIM4.6.1 MOS model and Berkeley model parameters.
 * This table is an input file for the XSPICE 3D table model.
-* You have to select NMOS or PMOS by manually editing this file: currently
-* NMOS is selected. For PMOS change '*' in column 1 
-* for CSPARAM, m1, outfile, echo *table...
+* You have to select NMOS or PMOS by manually editing parameter
+* 'mostype'.
 * In addition you may change the step sizes vdstep vgstep vbstep in CSPARAM
 * to obtain the required resolution for the data.
 * These tables will contain pure dc data. For transient simulation you may
 * need to add some capacitors to the device model for a 'real world' simulation.
 
+* setting the MOS type (NMOS or PMOS)
+.param mostype = 1 ; NMOS, 2 for PMOS
+
+.if (mostype == 1)
 *NMOS
 .csparam vdstart=-0.1
 .csparam vdstop=1.8
@@ -22,21 +25,27 @@
 .csparam vbstart=-1.8
 .csparam vbstop=0.4
 .csparam vbstep=0.2
-
+.csparam mtype=1
+.elseif (mostype == 2)
 *PMOS
-*.csparam vdstart=-1.8
-*.csparam vdstop=0.1
-*.csparam vdstep=0.05
-*.csparam vgstart=-1.8
-*.csparam vgstop=0.1
-*.csparam vgstep=0.05
-*.csparam vbstart=-0.4
-*.csparam vbstop=1.8
-*.csparam vbstep=0.2
+.csparam vdstart=-1.8
+.csparam vdstop=0.1
+.csparam vdstep=0.05
+.csparam vgstart=-1.8
+.csparam vgstop=0.1
+.csparam vgstep=0.05
+.csparam vbstart=-0.4
+.csparam vbstop=1.8
+.csparam vbstep=0.2
+.csparam mtype=2
+.endif
 
 ** Circuit Description **
+.if (mostype == 1)
 m1 2 1 3 4 nbsim4 L=0.13u W=10.0u rgeoMod=1
-*m1 2 1 3 4 pbsim4 L=0.13u W=10.0u rgeoMod=1
+.elseif (mostype == 2)
+m1 2 1 3 4 pbsim4 L=0.13u W=10.0u rgeoMod=1
+.endif
 vgs 1 0 1.8
 vds 2 0 1.8
 vss 3 0 0
@@ -44,12 +53,26 @@ vbs 4 0 0
 
 .control
 ** output file **
-set outfile = "bsim4n-3d-1.table"
-*set outfile = "bsim4p-3d-1.table"
+echo
+if mtype = 1
+  set outfile = "$inputdir/bsim4n-3d-1.table"
+  echo nmos table generation , table is written to
+  echo $outfile
+else
+  if mtype = 2
+    set outfile = "$inputdir/bsim4p-3d-1.table"
+    echo pmos table generation , table is written to
+    echo $outfile
+  end
+end
+echo
 
 save i(vss)
-echo * 3D table for nmos bsim 4 > $outfile
-*echo * 3D table for nmos bsim 4 > $outfile
+if mtype = 1
+  echo * 3D table for nmos bsim 4 > $outfile
+else
+  echo * 3D table for nmos bsim 4 > $outfile
+end
 
 let xcount = floor((vdstop-vdstart)/vdstep) + 1
 let ycount = floor((vgstop-vgstart)/vgstep) + 1