Version 4
SHEET 1 980 680
WIRE -256 80 -352 80
WIRE -112 80 -256 80
WIRE 416 80 -112 80
WIRE 544 112 304 112
WIRE 304 128 304 112
WIRE -256 160 -256 80
WIRE -64 208 -160 208
WIRE 128 224 32 224
WIRE 192 224 128 224
WIRE 304 224 304 208
WIRE 304 224 272 224
WIRE -112 240 -112 80
WIRE 128 240 128 224
WIRE -352 256 -352 80
WIRE -160 256 -160 208
WIRE -144 256 -160 256
WIRE 416 256 416 80
WIRE -64 272 -64 208
WIRE -64 272 -80 272
WIRE -48 272 -64 272
WIRE 304 272 304 224
WIRE 384 272 304 272
WIRE -256 288 -256 240
WIRE -144 288 -256 288
WIRE 496 288 448 288
WIRE 544 288 544 112
WIRE 544 288 496 288
WIRE 576 288 544 288
WIRE 384 304 304 304
WIRE -256 320 -256 288
WIRE 128 336 128 320
WIRE 192 336 128 336
WIRE 304 336 304 304
WIRE 304 336 272 336
WIRE 32 352 32 224
WIRE 304 352 304 336
WIRE 128 368 128 336
WIRE 304 448 304 432
WIRE 304 448 272 448
WIRE -352 480 -352 336
WIRE -256 480 -256 400
WIRE -256 480 -352 480
WIRE -112 480 -112 304
WIRE -112 480 -256 480
WIRE 32 480 32 432
WIRE 32 480 -112 480
WIRE 128 480 128 448
WIRE 128 480 32 480
WIRE 416 480 416 320
WIRE 416 480 128 480
WIRE -256 512 -256 480
FLAG -256 512 0
FLAG -48 272 VH
FLAG 272 448 VH
FLAG 576 288 out
DATAFLAG 496 288 "round($*10k)/10k"
SYMBOL voltage 128 352 R0
SYMATTR InstName V1
SYMATTR Value 4.2
SYMBOL res 288 208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 288 112 R0
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL res 288 320 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL res 288 336 R0
SYMATTR InstName R4
SYMATTR Value 100k
SYMBOL res 112 224 R0
SYMATTR InstName R5
SYMATTR Value 0.01
SYMBOL res -272 144 R0
SYMATTR InstName R6
SYMATTR Value 100k
SYMBOL Opamps/UniversalOpamp2 416 288 R0
SYMATTR InstName U1
SYMBOL res -272 304 R0
SYMATTR InstName R7
SYMATTR Value 100k
SYMBOL voltage -352 240 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL current 32 352 R0
WINDOW 3 -58 147 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value PWL(0 0 10m 1 30m -1 40m 0)
SYMBOL Opamps/UniversalOpamp2 -112 272 R0
SYMATTR InstName U2
TEXT -344 576 Left 2 !.tran 0 40m 0 10u
TEXT -344 624 Left 2 !.options plotwinsize=0