* D:\Documents\Sims\LTSpice\2026\10 - Oct\05\nodiodes2g2+gdt_cg.asc
* Generated by LTspice 24.1.9 for Windows.
L1 N010 N015 10 Rser=0.3125
R1 N010 N014 1
R2 N015 N014 1
R5 N015 CG 1
C2 N014 N013 100f Rser={ESR}
C4 N012 N011 100f IC=PC Rser={ESR}
L3 N007 N006 2 Rser=62.5m
R7 N006 N012 1
R8 N007 N013 1
L5 N002 EL_5 2 Rser=2
R11 N002 EL_5 1
D1 N003 N004 D
R3 0 N004 {res}
R4 N003 N002 {res}
S1 Pin1 N005 Pin2 MON G
S2 N009 Pin1 MON Pin2 G
R6 Pin1 MON 1e8
C1 MON Pin2 {Tau/100Meg} Rser={ESR}
C3 CG N008 1p Rser={ESR}
R9 N011 CG 1
R10 Pin1 N012 1
R12 Pin2 N013 1
R13 0 N008 1
B2 Pin2 N009 V={Vhold+Rdyn*(I(S2)-Ihold)}
B1 N005 Pin2 V={Vhold+Rdyn*(I(S1)-Ihold)}
R14 Pin2 Pin1 {Rleak}
.model D D
.lib C:\Users\vinya\AppData\Local\LTspice\lib\cmp\standard.dio
.param PC=3u
.tran 0 2e4 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 = 3
.param Vstrike=100 Vhold=50 Zon=2K Ihold=200u Tau=100u Rdyn=Zon Rleak=1e7
.model G SW(Ron={Zon} Roff=1e12 Vt={.5*(Vstrike+Vhold)} Vh={.5*(Vstrike-Vhold)} Vser=0)
.param esr = 3
* GEAR APPROXIMATION METHOD
* 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
