BIM 111 PreLab 3

Components used

SPICE netlist

* **************************************************
* Generated from CircuitSim Schematic
**************************************************
X_D1 N5 0 LED_VIRTUAL_b2f33485 IS=1e-14 N=1 RS=0 CJO=0 M=0.5 VJ=1 BV=1e30 IBV=100p OnCurrent=5m
R_RL N5 0 1K Resistor_1d9c8cf9a__R_RL
R_RV1_A N1 N3 'max(1m,100*25/100)'
R_RV1_B N3 0 'max(1m,100*(100-25)/100)'
X_U2 N3 0 NC_1 NC_2 0 TL072
V_V1 N1 0 dc 4V ac 0 0 distof1 0 0 distof2 0 0

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* Models and supporting definitions follow
**************************************************
* LED source-variant replacement with current-sense brightness node
.subckt LED_VIRTUAL_b2f33485 T0 T1 IS=1e-14 N=1 RS=0 CJO=0 M=0.5 VJ=1 BV=1e30 IBV=100p OnCurrent=5m
    DLED T0 SENSE LED_VIRTUAL_b2f33485_DIODE
    .model LED_VIRTUAL_b2f33485_DIODE D(IS={IS} N={N} RS={RS} CJO={CJO} M={M} VJ={VJ} BV={BV} IBV={IBV})
    VSENSE SENSE T1 DC 0
    BLIT lit 0 V = { (i(VSENSE) > {OnCurrent}) ? 1 : ((i(VSENSE) < 0) ? 0 : (i(VSENSE) / {OnCurrent})) }
.ends LED_VIRTUAL_b2f33485
.model Resistor_1d9c8cf9a__R_RL r(tc1=0 tc2=0 tnom=27)
* TL072 OPERATIONAL AMPLIFIER "MACROMODEL" SUBCIRCUIT
* CREATED USING PARTS RELEASE 4.01 ON 06/16/89 AT 13:08
* (REV N/A)      SUPPLY VOLTAGE: +/-15V
* CONNECTIONS:   NON-INVERTING INPUT
*                | INVERTING INPUT
*                | | POSITIVE POWER SUPPLY
*                | | | NEGATIVE POWER SUPPLY
*                | | | | OUTPUT
*                | | | | |
.SUBCKT TL072    1 2 3 4 5
    *
    C1   11 12 3.498E-12
    C2    6  7 15.00E-12
    DC    5 53 DX
    DE   54  5 DX
    DLP  90 91 DX
    DLN  92 90 DX
    DP    4  3 DX
    EGND 99  0 POLY(2) (3,0) (4,0) 0 .5 .5
    FB    7 99 POLY(5) VB VC VE VLP VLN 0 4.715E6 -5E6 5E6 5E6 -5E6
    GA    6  0 11 12 282.8E-6
    GCM   0  6 10 99 8.942E-9
    ISS   3 10 DC 195.0E-6
    HLIM 90  0 VLIM 1K
    J1   11  2 10 JX
    J2   12  1 10 JX
    R2    6  9 100.0E3
    RD1   4 11 3.536E3
    RD2   4 12 3.536E3
    RO1   8  5 150
    RO2   7 99 150
    RP    3  4 2.143E3
    RSS  10 99 1.026E6
    VB    9  0 DC 0
    VC    3 53 DC 2.200
    VE   54  4 DC 2.200
    VLIM  7  8 DC 0
    VLP  91  0 DC 25
    VLN   0 92 DC 25
    .MODEL DX D(IS=800.0E-18)
    .MODEL JX PJF(IS=15.00E-12 BETA=270.1E-6 VTO=-1)
.ENDS

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* Simulation settings
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.tran 100u 100m 0
.save V(X_D1.lit)
.end