New Circuit

Components used

SPICE netlist

* **************************************************
* Generated from CircuitSim Schematic
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X_D1 N2 0 LED_VIRTUAL_b2f33485 IS=1.15e-23 N=1 RS=0 CJO=0 M=0.5 VJ=3.2 BV=1e30 IBV=100p OnCurrent=20m
R_R1 N1 N3 140 Resistor_1d9c8cf9a__R_R1
V_V1 N1 0 dc 6 ac 0 0 distof1 0 0 distof2 0 0
E_VP1 VP1 0 N2 0 1
E_VP2 VP2 0 N1 0 1
V_IP1 N3 N2 0

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* Models and supporting definitions follow
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* 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_R1 r(tc1=0 tc2=0 tnom=27)

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* Simulation settings
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.tran 20u 100m 0 20u
.save V(VP1) V(VP2) I(V_IP1) V(X_D1.lit)
.end