Version 4
SHEET 1 880 680
WIRE 144 0 112 0
WIRE 336 0 304 0
WIRE 544 0 512 0
WIRE 736 16 672 16
WIRE 144 32 144 0
WIRE 336 32 336 0
WIRE 544 32 544 0
WIRE 672 32 672 16
WIRE -176 96 -240 96
WIRE -48 96 -96 96
WIRE 736 96 736 16
WIRE -48 144 -48 96
WIRE -16 144 -48 144
WIRE 96 144 80 144
WIRE 112 144 112 0
WIRE 112 144 96 144
WIRE 176 144 112 144
WIRE 288 144 272 144
WIRE 304 144 304 0
WIRE 304 144 288 144
WIRE 368 144 304 144
WIRE 480 144 464 144
WIRE 512 144 512 0
WIRE 512 144 480 144
WIRE 576 144 512 144
WIRE 672 144 672 96
WIRE -48 176 -240 176
WIRE -16 176 -48 176
WIRE 144 176 144 96
WIRE 144 176 80 176
WIRE 176 176 144 176
WIRE 336 176 336 96
WIRE 336 176 272 176
WIRE 368 176 336 176
WIRE 544 176 544 96
WIRE 544 176 464 176
WIRE 576 176 544 176
WIRE 736 176 672 176
WIRE -48 208 -48 176
WIRE 144 208 144 176
WIRE 336 208 336 176
WIRE 544 208 544 176
WIRE 736 240 736 176
FLAG 736 240 0
FLAG -48 288 0
FLAG 144 288 0
FLAG 336 288 0
FLAG 544 288 0
FLAG 96 144 V1
FLAG 288 144 V2
FLAG 480 144 V3
FLAG 672 144 V4
FLAG -48 96 V0
FLAG -240 96 V00
SYMBOL tline 32 160 R0
SYMATTR InstName T1
SYMATTR Value Td=2.5n Z0=120
SYMBOL tline 224 160 R0
SYMATTR InstName T2
SYMATTR Value Td=5.5n Z0=120
SYMBOL tline 416 160 R0
SYMATTR InstName T3
SYMATTR Value Td=5.5n Z0=120
SYMBOL tline 624 160 R0
SYMATTR InstName T4
SYMATTR Value Td=5.5n Z0=120
SYMBOL cap 528 32 R0
SYMATTR InstName C1
SYMATTR Value 3p
SYMBOL cap 320 32 R0
SYMATTR InstName C2
SYMATTR Value 3p
SYMBOL cap 128 32 R0
SYMATTR InstName C3
SYMATTR Value 3p
SYMBOL voltage -240 80 R0
WINDOW 3 -42 -123 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V_4M
SYMATTR Value PULSE(0 3 250n 5n 5n 120n 250n 10)
SYMBOL res 720 80 R0
SYMATTR InstName R1
SYMATTR Value 150
SYMBOL cap 656 32 R0
SYMATTR InstName C4
SYMATTR Value 180p
SYMBOL res -64 192 R0
SYMATTR InstName R2
SYMATTR Value 1e6
SYMBOL res 128 192 R0
SYMATTR InstName R3
SYMATTR Value 1e6
SYMBOL res 320 192 R0
SYMATTR InstName R4
SYMATTR Value 1e6
SYMBOL res 528 192 R0
SYMATTR InstName R5
SYMATTR Value 1e6
SYMBOL res -80 80 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R6
SYMATTR Value 30
TEXT -188 224 Left 0 !.tran 2500n