* D:\Documents\Sims\LTSpice\2026\10 - Oct\13\1diode2g2+gdt_cg-watts-CS-sub.asc
* Generated by LTspice 24.1.9 for Windows.
L1 n010 n015 10 Rser=0.3125
R1 n010 CG 1
R2 n015 CG 1
R5 Pin2 N018 1
C2 N017 N016 100f Rser={ESR}
C4 N014 N013 100f IC=PC Rser={ESR}
L3 n007 n006 2 Rser=62.5m
R7 n006 Pin1 1
R8 n007 Pin2 1
L5 n002 EL_5 2 Rser=2
R11 N003 EL_5 1
S1 N004 N005 N011 N012 G
R6 Pin1 MON 1e8
C1 N019 N018 {SEE_1} Rser={ESR}
R9 N013 CG 1
B1 N008 N009 V={Vhold+Rdyn*(I(S1)-Ihold)}
R14 Pin2 Pin1 {Rleak}
R16 N003 n002 1
R17 Pin1 N014 1
R18 N016 Pin2 1
R19 CG N017 1
R21 N004 Pin1 1
R10 N019 MON 1
R25 N009 Pin2 1
R29 N005 N008 1
R3 0 N003 1
R4 N011 Pin2 1
R12 N012 MON 1
R13 N011 0 1
.param PC=3u
.tran 0 86.65k 0
K2 L3 L5 .99
.options reltol = 0.04
* Disconnect the\nneon bulb to\nturn this\ncircuit OFF.
* 'MON' is an internal node\nwithin the neon bulb. It\ndiscloses to us that the\ninternal dynamics is al-\nlowed to 'float' its vol-\ntage without limitation.
.param Vstrike=100 Vhold=50 Zon=2K Ihold=200u Tau=100u Rdyn=Zon Rleak=1e7 SEE_1={Tau/100Meg}
.model G SW(Ron=1e-50 Roff=1e12 Vt={.5*(Vstrike+Vhold)} Vh={.5*(Vstrike-Vhold)} Vser=0)
.param esr = 3
* GEAR\nAPPROXI-\nMATION\nMETHOD
* 19m <= max time step >= 20m\n          comatose vs surge
* This model of a neon bulb uses a dynamic resistance which\nis predicated upon using the original resistance of: Zon=2k.
.backanno
.end
