Version 4 SHEET 1 880 680 WIRE 304 272 304 240 WIRE 304 384 304 352 WIRE 416 240 304 240 WIRE 416 272 416 240 WIRE 416 384 416 352 FLAG 416 384 0 FLAG 304 384 0 SYMBOL current 416 352 M180 WINDOW 0 24 88 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName I1 SYMATTR Value PWL FILE pwl_stimulus.txt SYMBOL res 288 256 R0 SYMATTR InstName R1 SYMATTR Value 1 TEXT 320 448 Left 0 !.tran 2