complex model: a script loads two circuits with MOS and

bipolar table models, and run a sequence of dc simulations
with switching the circuit.
This commit is contained in:
Holger Vogt 2018-08-17 21:32:10 +02:00
parent 2dfdf984d6
commit 9becf1313a
3 changed files with 117 additions and 0 deletions

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*ng_script
* A somewhat complex example:
* This script loads two circuits, then selects circuit 1,
* does three dc simulations, selects circuit 2, does
* two dc simulations on the bipolar table device.
* Always do a 'reset' in between to avoid memory leaks.
* you have to create the bipolar device table first by running
* the table generator table-generator-q-2d.sp
.control
source $inputdir/table-model-bip-2d-1-oc.sp $ circuit 2
source $inputdir/table-model-mos-2d-2-oc.sp $ circuit 1
*** analysis type ***
setcirc 1
dc V1 -0.1 1.7 0.06 V2 0.3 1.7 0.3
plot i(Vs)
plot deriv(i(Vs))
reset
dc v2 0 1.7 0.04
plot i(Vs)
plot deriv(i(Vs))
reset
dc V1 -0.1 1.7 0.06
plot i(Vs2)
setcirc 2
* bipolar model qinn
dc vce 0 5 0.05 ib 0.2u 1.8u 0.4u
*plot i(vee)
*plot v(1) ylimit 0 1
reset
* bipolar from table
dc vce2 0 5 0.05 ib2 0.2u 1.8u 0.4u
plot dc4.i(vee) i(vee2) title 'table q3, q4 output current (i(vee2)) compared to bjt model (dc1.i(vee))'
plot dc4.v(1) v(bb) ylimit 0.6 0.8 title 'table q3, q4 input diode (v(bb)) compared to bjt model (dc1.v(1))'
.endc

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** npn bipolar: table 2D (Vce, Ib) compared to q model
* bipolar transistor qinn from National Semi op-amp clc409
* please run the table generator table-generator-q-2d.sp in ngspice to
* create the table data file qinn-clc409-2d-1.table as required here
** Circuit Description **
Q3 2 1 3 QINN
ib 0 1 2u
vce 2 0 5
vee 3 0 0
xbip cc bb ee tbqnpn
ib2 0 bb 2u
vce2 cc 0 1
vee2 ee 0 0
* set a simulation temperature
.options temp=1
.subckt tbqnpn c b e
*** table model of npn bipolar transistor ***
* bip qinn from national op-amp CLC409
* table values extracted at nominal temperature of 27°C
* simple behavioral temperature model
.param fact = 0.05
.param tgain = 1. + (TEMPER / 27. - 1.) * {fact}
abip1 %vd(c e) %id(bint e) %id(c e) biptable1
.model biptable1 table2d (offset=0.0 gain={tgain} order=2 file="qinn-clc409-2d-1.table")
* CJE=1.632E-13
Cje b e 1.632E-13
* CJC=1.720E-13
Cjc b c 1.720E-13
* input diode
Dbe b bint DMOD
.model DMOD D (bv=5 is=1e-17 n=1.1)
.ends
.MODEL QINN NPN
+ IS =0.166f BF =3.239E+02 NF =1.000E+00 VAF=8.457E+01
+ IKF=2.462E-02 ISE=2.956E-17 NE =1.197E+00 BR =3.719E+01
+ NR =1.000E+00 VAR=1.696E+00 IKR=3.964E-02 ISC=1.835E-19
+ NC =1.700E+00 RB =118 IRB=0.000E+00 RBM=65.1
+ RC =2.645E+01 CJE=1.632E-13 VJE=7.973E-01
+ MJE=4.950E-01 TF =1.948E-11 XTF=1.873E+01 VTF=2.825E+00
+ ITF=5.955E-02 PTF=0.000E+00 CJC=1.720E-13 VJC=8.046E-01
+ MJC=4.931E-01 XCJC=589m TR =4.212E-10 CJS=629f
+ MJS=0 KF =2.000E-12 AF =1.000E+00 FC =9.765E-01
*
.end

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Code Model Test - 2d Table Model
* bsim4 transistor dc input and output characteristics
*
*
*** input sources ***
*
v1 d 0 DC 0.1
*
v2 g 0 DC 1.5
*
Vs s 0 0
Vs2 s2 0 0
*
*** table model of mos transistor ***
amos1 %vd(d s) %vd(g s) %id(d s) mostable1
.model mostable1 table2d (offset=0.0 gain=0.5 order=3 file="bsim4n-2d-3.table")
* L=0.13u W=10.0u rgeoMod=1
* BSIM 4.7
* change width of transistor by modifying parameter "gain"
* source is always tied to bulk (2d model!)
amos2 %vd(d s2) %vd(d s2) %id(d s2) mostable1
.end