Version 4 SHEET 1 880 680 WIRE 96 -48 0 -48 WIRE 144 -48 96 -48 WIRE 336 -48 240 -48 WIRE 432 -48 336 -48 WIRE 592 -48 528 -48 WIRE 640 -48 592 -48 WIRE 640 -32 640 -48 WIRE 144 -16 96 -16 WIRE 288 -16 240 -16 WIRE 432 -16 384 -16 WIRE 576 -16 528 -16 WIRE 0 0 0 -48 WIRE 640 64 640 48 WIRE 336 112 336 -48 WIRE 432 112 336 112 WIRE 592 112 528 112 WIRE 640 112 592 112 WIRE 0 128 0 80 WIRE 640 128 640 112 WIRE 384 144 368 144 WIRE 432 144 384 144 WIRE 576 144 528 144 WIRE 640 224 640 208 WIRE 0 240 0 208 FLAG 0 240 0 FLAG 384 144 0 FLAG 96 -16 0 FLAG 288 -16 0 FLAG 576 144 0 FLAG 576 -16 0 FLAG 384 -16 0 FLAG 640 64 0 FLAG 640 224 0 FLAG 96 -48 1 FLAG 592 112 2 FLAG 592 -48 3 FLAG 336 -48 4 SYMBOL voltage 0 112 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value PULSE(0 1 0 1p 1p 1 2) SYMBOL Misc\\EuropeanResistor -16 -16 R0 SYMATTR InstName R1 SYMATTR Value 25 SYMBOL tline 192 -32 R0 SYMATTR InstName T1 SYMATTR Value Td=4n Z0=25 SYMBOL tline 480 128 R0 SYMATTR InstName T2 SYMATTR Value Td=8n Z0=50 SYMBOL tline 480 -32 R0 SYMATTR InstName T3 SYMATTR Value Td=4n Z0=50 SYMBOL Misc\\EuropeanResistor 624 112 R0 SYMATTR InstName R2 SYMATTR Value 1u SYMBOL Misc\\EuropeanResistor 624 -48 R0 SYMATTR InstName R3 SYMATTR Value 1T TEXT 0 -192 Left 2 !.tran 0 20n 0 10p TEXT 0 -152 Left 2 !.options plotwinsize=0