Version 4
SHEET 1 880 680
WIRE -720 -256 -864 -256
WIRE -576 -256 -640 -256
WIRE -464 -256 -576 -256
WIRE -864 -208 -864 -256
WIRE -576 -192 -576 -256
WIRE -464 -192 -464 -256
WIRE -864 -80 -864 -128
WIRE -576 -80 -576 -128
WIRE -576 -80 -864 -80
WIRE -464 -80 -464 -112
WIRE -464 -80 -576 -80
FLAG -576 -80 0
SYMBOL cap -592 -192 R0
SYMATTR InstName C1
SYMATTR Value 2,214n
SYMBOL res -480 -208 R0
SYMATTR InstName R1
SYMATTR Value 100Meg
SYMBOL res -624 -272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value {R_v}
SYMBOL voltage -864 -224 R0
WINDOW 0 -153 5 Left 2
WINDOW 123 -153 33 Left 2
WINDOW 39 -103 109 Left 2
WINDOW 3 -123 211 Left 2
SYMATTR InstName Hight_Voltage1
SYMATTR Value2 AC 1000
SYMATTR SpiceLine Rser=0.1
SYMATTR Value PULSE(0 1000 0 1n 1n {pulse} 500µ)
TEXT -312 -272 Left 2 !.step param R_v 10k 60k 50k\n.step param pulse 1u 499u 250u
TEXT -312 -184 Left 2 !;tran 50m startup
TEXT -312 -216 Left 2 !.model SWITCH SW(Ron=1 Roff=100Meg Vt=.5 Vh=-.4)
TEXT -576 -320 Left 2 ;LAST
TEXT -536 0 Left 2 !.ac lin 100 2khz 100Meghz
RECTANGLE Normal -352 -48 -736 -304 2