* D:\Documents\Sims\LTSpice\2026\10 - Oct\11\1diode2g2+gdt_cg-ohms+watts.asc
* Generated by LTspice 24.1.9 for Windows.
L1 n010 n015 10 Rser=0.3125
R1 n010 N023 1
R2 n015 N023 1
R5 Pin2 N028 1
C2 N027 N026 100f Rser={ESR}
C4 N025 N024 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
D1 N008 N011 D
R3 0 N012 {res}
R4 N004 N003 {res}
S1 N013 N014 Pin2 MON G
S2 N020 N019 MON Pin2 G
R6 Pin1 MON 1e8
C1 N029 N028 {SEE_1} Rser={ESR}
C3 n015 N018 1p Rser={ESR}
R9 N024 n015 1
R13 0 N018 1
B2 N022 N021 V={Vhold+Rdyn*(I(S2)-Ihold)}
B1 N016 N017 V={Vhold+Rdyn*(I(S1)-Ihold)}
R14 Pin2 Pin1 {Rleak}
R15 MON 0 1
R16 N003 n002 1
R17 Pin1 N025 1
R18 N026 Pin2 1
R19 N023 N027 1
R20 n009 N021 1
R21 N013 Pin1 1
R10 N029 MON 1
R12 N019 Pin1 1
R22 N022 Pin2 1
R23 N012 N011 1
R24 N008 N004 1
R25 N017 Pin2 1
R26 N020 n009 1
R28 N014 n005 1
R29 n005 N016 1
.model D D
.lib C:\Users\vinya\AppData\Local\LTspice\lib\cmp\standard.dio
.param PC=3u
.tran 0 100 0 20m
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 res = 2
.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
