* D:\Documents\Sims\LTSpice\2026\10 - Oct\12\1diode2g2+gdt_cg-watts.asc
* Generated by LTspice 24.1.9 for Windows.
L1 n010 n015 10 Rser=0.3125
R1 n010 N025 1
R2 n015 N025 1
R5 Pin2 N030 1
C2 N029 N028 100f Rser={ESR}
C4 N027 N026 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 N011 N012 D
R3 0 N013 {res}
R4 N008 N004 {res}
S1 N014 N016 Pin2 MON G
S2 N021 N020 MON Pin2 G
R6 Pin1 MON 1e8
C1 N031 N030 {SEE_1} Rser={ESR}
C3 n015 N019 1p Rser={ESR}
R9 N026 n015 1
R13 0 N019 1
B2 N024 N023 V={Vhold+Rdyn*(I(S2)-Ihold)}
B1 N017 N018 V={Vhold+Rdyn*(I(S1)-Ihold)}
R14 Pin2 Pin1 {Rleak}
R15 MON 0 1
R16 N003 n002 1
R17 Pin1 N027 1
R18 N028 Pin2 1
R19 N025 N029 1
R20 n009 N023 1
R21 N014 Pin1 1
R10 N031 MON 1
R12 N020 Pin1 1
R22 N024 Pin2 1
R23 N013 N012 1
R24 N011 N008 1
R25 N018 Pin2 1
R26 N021 N022 1
R28 N016 n005 1
R29 n005 N017 1
I2 N022 n009 0
I1 N003 N004 0
.model D D
.lib C:\Users\vinya\AppData\Local\LTspice\lib\cmp\standard.dio
.param PC=3u
.tran 0 172.70863Ks 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 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
