Bipolar Junction Transistor amp
CH
Charles-Weinberg
·
Created Sep 28, 2026
·
Updated Sep 28, 2026

Details
Components
5
Schematic
Yes
Simulation
Interactive
Copies
Not copied yet
Tags
About this circuit
Imported circuit.
Components used
Components used
5 components
NameManufacturerMPNCountType
SPICE netlist
* **************************************************
* Generated from CircuitSim Schematic
**************************************************
C_C1 N7 0 400u IC=0
C_C2 N10 N4 22u IC=0
C_C3 N8 N9 400u IC=0
X_Q1 N1 N5 N8 NPN3T_d3c2f74f IS=1e-16 BF=100 NF=1 VAF=1e30 IKF=1e30 ISE=0 NE=1.5 BR=1 NR=1 VAR=1e30 IKR=1e30 ISC=0 NC=2 RB=0 IRB=1e30 RBM=0 RE=0 RC=0 CJE=0 VJE=0.75 MJE=0.33 TF=0 XTF=0 VTF=1e30 ITF=0 PTF=0 CJC=0 VJC=0.75 MJC=0.33 XCJC=1 TR=0 CJS=0 VJS=0.75 MJS=0 XTB=0 EG=1.11 XTI=3 KF=0 AF=1 FC=0.5 TNOM=27 AREA=1 TEMP=27
X_Q2 N5 N4 N6 NPN3T_d3c2f74f IS=1e-16 BF=100 NF=1 VAF=1e30 IKF=1e30 ISE=0 NE=1.5 BR=1 NR=1 VAR=1e30 IKR=1e30 ISC=0 NC=2 RB=0 IRB=1e30 RBM=0 RE=0 RC=0 CJE=0 VJE=0.75 MJE=0.33 TF=0 XTF=0 VTF=1e30 ITF=0 PTF=0 CJC=0 VJC=0.75 MJC=0.33 XCJC=1 TR=0 CJS=0 VJS=0.75 MJS=0 XTB=0 EG=1.11 XTI=3 KF=0 AF=1 FC=0.5 TNOM=27 AREA=1 TEMP=27
R_R1 N10 N3 600 Resistor_1d9c8cf9a__R_R1 temp=27
R_R2 N8 0 100 Resistor_1d9c8cf9a__R_R2 temp=27
R_R3 N7 0 150 Resistor_1d9c8cf9a__R_R3 temp=27
R_R4 N1 N5 1k Resistor_1d9c8cf9a__R_R4 temp=27
R_R5 N6 N7 100 Resistor_1d9c8cf9a__R_R5 temp=27
R_R6 N9 0 1k Resistor_1d9c8cf9a__R_R6 temp=27
R_R7 N1 N4 10k Resistor_1d9c8cf9a__R_R7 temp=27
R_R8 N4 0 1k Resistor_1d9c8cf9a__R_R8 temp=27
V_V1 N1 0 dc 9 ac 0 0 distof1 0 0 distof2 0 0
V_V2 N3 0 dc 0 ac 1 0 distof1 0 0 distof2 0 0 sin ( 0 100m 1.00k 0 0 0 )
E_PR1 PR1 0 N4 0 1
E_PR2 PR2 0 N5 0 1
E_PR3 PR3 0 N9 0 1
E_PR4 PR4 0 N3 0 1
**************************************************
* Models and supporting definitions follow
**************************************************
.subckt NPN3T_d3c2f74f C B E params: AREA=1 TEMP=27 IS=1e-16 BF=100 NF=1 VAF=1e30 IKF=1e30 ISE=0 NE=1.5 BR=1 NR=1 VAR=1e30 IKR=1e30 ISC=0 NC=2 RB=0 IRB=1e30 RBM=0 RE=0 RC=0 CJE=0 VJE=0.75 MJE=0.33 TF=0 XTF=0 VTF=1e30 ITF=0 PTF=0 CJC=0 VJC=0.75 MJC=0.33 XCJC=1 TR=0 CJS=0 VJS=0.75 MJS=0 XTB=0 EG=1.11 XTI=3 KF=0 AF=1 FC=0.5 TNOM=27
.model NPN3T_d3c2f74f_CORE NPN(Level=1 IS={IS} BF={BF} NF={NF} VAF={VAF} IKF={IKF} ISE={ISE} NE={NE} BR={BR} NR={NR} VAR={VAR} IKR={IKR} ISC={ISC} NC={NC} RB={RB} IRB={IRB} RBM={RBM} RE={RE} RC={RC} CJE={CJE} VJE={VJE} MJE={MJE} TF={TF} XTF={XTF} VTF={VTF} ITF={ITF} PTF={PTF} CJC={CJC} VJC={VJC} MJC={MJC} XCJC={XCJC} TR={TR} CJS={CJS} VJS={VJS} MJS={MJS} XTB={XTB} EG={EG} XTI={XTI} KF={KF} AF={AF} FC={FC} TNOM={TNOM})
Q_CORE C B E NPN3T_d3c2f74f_CORE AREA={AREA} TEMP={TEMP}
.ends NPN3T_d3c2f74f
.model Resistor_1d9c8cf9a__R_R1 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_R2 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_R3 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_R4 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_R5 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_R6 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_R7 r(tc1=0 tc2=0 tnom=27)
.model Resistor_1d9c8cf9a__R_R8 r(tc1=0 tc2=0 tnom=27)
**************************************************
* Simulation settings
**************************************************
.options rshunt=1e12
.tran 20u 1e12 0 20u
.save V(PR2) V(PR3) V(PR4) V(PR1)
.endTry this circuit yourself
Free to get started. No download — runs in your browser with a full SPICE engine.