eldo_user

Monte Carlo Analysis
Parameter Naming Conventions
LNA demo
.GLOBAL GND!
.CONNECT GND! 0
* BIPOLAR
.SUBCKT BIPNPN 1 2 3 4
Q0 1 2 3 4 NPNBIP
.MODEL NPNBIP NPN IS=24.5E-18 BF=121 NF=1 VAF=35 IKF=32E-3 ISE=847E-18
+ NE=1.9 BR=3.81 NR=1 VAR=3.2 IKR=2E-3 ISC=847E-18 NC=1.9
+ IRB=80E-6 RBM=5 XTB=0.5 EG=1.2 XTI=3 CJE=59.6E-15 VJE=0.895
+ MJE=0.41 TF=11E-12 XTF=15 VTF=1.5 ITF=40E-3 PTF=0 CJC=45.8E-15
+ VJC=0.642 MJC=0.33 XCJC=0.3 TR=5E-9 CJS=75.5E-15 VJS=0.65
+ MJS=0.33 FC=0.875
+ TRB1=1.05E-3 TRB2=4.4E-6 TRC1=1E-3 TRC2=3.1E-6 TRE1=0 TRE2=0
+ KF=1.32E-10 AF=1.8
+ RE=3.5 LOT=5% DEV=2.5%
+ RC=25 LOT=5% DEV=2.5%
+ RB=100 LOT=5% DEV=2.5%
+ ISS=1E-16 LOT=5% DEV=2.5%
.ENDS
* ANALYSIS
.PARAM FEND=3.8E9 FSTART=1.4E9 IBIAS=5M VCC=1.5
.TEMP 27
.AC LIN 100 FSTART FEND
* MEASURES
.DEFWAVE AC GAIN=V(OUT)/V(IN)
.EXTRACT AC LABEL=MAX_GAIN MAX(WM(GAIN))
.EXTRACT AC LABEL=GMAX MAX(W(GAIN))
.EXTRACT AC LABEL=FRES CROSSING(W(GAIN), MAX(W(GAIN))-0.001)
** CIRCUIT
XDUT GND! IN OUT VPLUS LNA_DEMO
RROUT OUT GND! 50
VVIN IN GND! DC 0 AC 1 RPORT=50
VVCC VPLUS GND! DC VCC
.SUBCKT LNA_TEST GNDA IN IREF OUT SUB VPLUS
LL1 NET8 GNDA L=1.2N
CC0 NET16 OUT C=500F
RR1 NET14 IN R=2K
RR0 NET19 NET14 R=2K
XQ2 IREF NET19 GNDA SUB BIPNPN
XQ1 VPLUS IREF NET14 SUB BIPNPN
XQ0 NET16 IN NET8 SUB BIPNPN
LL0 VPLUS NET16 L=8N
.ENDS LNA_TEST
.SUBCKT LNA_DEMO VMINUS IN OUT VPLUS
XDUT VMINUS NET020 NET022 OUT VMINUS VPLUS LNA_TEST
LL0 IN VMINUS 3.9N
Eldo® User's Manual, 15.3 543