Version 4
SHEET 1 1328 680
WIRE 240 80 16 80
WIRE 304 80 240 80
WIRE 384 80 352 80
WIRE 416 80 384 80
WIRE 912 80 688 80
WIRE 976 80 912 80
WIRE 1056 80 1024 80
WIRE 1088 80 1056 80
WIRE 16 112 16 80
WIRE 352 112 352 80
WIRE 688 112 688 80
WIRE 1024 112 1024 80
WIRE 304 128 304 80
WIRE 976 128 976 80
WIRE 304 240 304 176
WIRE 352 240 352 192
WIRE 352 240 304 240
WIRE 976 240 976 176
WIRE 1024 240 1024 192
WIRE 1024 240 976 240
WIRE 16 256 16 192
WIRE 352 256 352 240
WIRE 688 256 688 192
WIRE 1024 256 1024 240
WIRE 240 320 240 80
WIRE 256 320 240 320
WIRE 384 320 336 320
WIRE 432 320 384 320
WIRE 464 320 432 320
WIRE 912 320 912 80
WIRE 944 320 912 320
WIRE 1056 320 1008 320
WIRE 1104 320 1056 320
WIRE 1136 320 1104 320
WIRE 384 384 384 320
WIRE 1056 384 1056 320
WIRE 384 496 384 448
WIRE 1056 496 1056 464
FLAG 16 256 0
FLAG 352 256 0
FLAG 384 80 vout
FLAG 384 496 0
FLAG 432 320 vout1
FLAG 688 256 0
FLAG 1024 256 0
FLAG 1056 80 vout2
FLAG 1056 496 0
FLAG 1104 320 vout3
SYMBOL bv 16 96 R0
SYMATTR InstName B1
SYMATTR Value V=if(time<{10*T},0,1)
SYMBOL e 352 96 R0
SYMATTR InstName E1
SYMATTR Value laplace(1/(1+{T}*s))
SYMBOL res 352 304 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value {R}
SYMBOL cap 368 384 R0
SYMATTR InstName C1
SYMATTR Value {C}
SYMBOL bv 688 96 R0
SYMATTR InstName B2
SYMATTR Value V=if(time<{10*T},0,1)
SYMBOL e 1024 96 R0
SYMATTR InstName E2
SYMATTR Value laplace({T}*s/(1+{T}*s))
SYMBOL res 1040 368 R0
SYMATTR InstName R2
SYMATTR Value {R}
SYMBOL cap 944 336 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName C2
SYMATTR Value {C}
TEXT 16 0 Left 0 !.tran {20*T}
TEXT 584 384 Left 0 !.param R = 1k\n.param C = 100nF\n.param T = {R*C}