Version 4
SHEET 1 2852 1412
WIRE 144 -64 -544 -64
WIRE 464 -64 240 -64
WIRE 144 -16 -208 -16
WIRE 288 -16 256 -16
WIRE 1408 144 1120 144
WIRE -544 192 -544 -64
WIRE -208 192 -208 -16
WIRE 464 192 464 -64
WIRE 688 192 464 192
WIRE 736 192 688 192
WIRE 1120 224 1120 144
WIRE 1072 240 1072 160
WIRE 1632 288 1616 288
WIRE 1744 288 1712 288
WIRE -544 352 -544 272
WIRE -208 352 -208 272
WIRE 1072 368 1072 288
WIRE 1408 384 1408 144
WIRE 1488 384 1408 384
WIRE 1616 384 1616 288
WIRE 1616 384 1568 384
WIRE 1648 384 1616 384
WIRE 1744 384 1744 288
WIRE 1744 384 1712 384
WIRE 2000 384 1744 384
WIRE 2000 432 2000 384
WIRE 1408 480 1408 384
WIRE 1120 544 1120 304
WIRE -1664 560 -1664 464
WIRE -1360 560 -1360 464
WIRE 1072 560 1072 480
WIRE 1408 624 1408 560
WIRE 144 672 -544 672
WIRE 432 672 240 672
WIRE 1072 688 1072 608
WIRE 1120 704 1120 624
WIRE -1664 720 -1664 640
WIRE 144 720 -208 720
WIRE 288 720 256 720
WIRE -1360 736 -1360 640
WIRE 1408 768 1408 624
WIRE -544 928 -544 672
WIRE -208 928 -208 720
WIRE 1408 928 1408 848
WIRE -544 1088 -544 1008
WIRE -208 1088 -208 1008
FLAG -1360 736 0
FLAG -544 352 0
FLAG -208 352 0
FLAG -1360 464 int_out
FLAG 688 192 vpos
FLAG -1664 720 0
FLAG -1664 464 vin
FLAG -544 1088 0
FLAG -208 1088 0
FLAG 1072 368 0
FLAG 1072 160 vpos
FLAG 432 672 vneg
FLAG 1072 688 0
FLAG 1072 480 vneg
FLAG 2000 432 0
FLAG 1408 928 0
FLAG 1408 624 vfb
FLAG 1616 288 Mess1
FLAG 1744 288 Mess2
FLAG 1120 704 0
SYMBOL bv -1360 544 R0
SYMATTR InstName B1
SYMATTR Value V=idt(V(vin)-((V(vfb))))
SYMBOL bv -544 176 R0
SYMATTR InstName B2
SYMATTR Value V=if(V(int_out)>10u,1,0)
SYMBOL bv -208 176 R0
SYMATTR InstName B3
SYMATTR Value V=if(V(int_out)<0,1,0)
SYMBOL Digital\\srflop 192 -112 R0
SYMATTR InstName A1
SYMBOL voltage -1664 544 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 0
SYMATTR Value2 AC 1
SYMATTR InstName V1
SYMATTR Value SINE()
SYMBOL bv -544 912 R0
SYMATTR InstName B6
SYMATTR Value V=if(V(int_out)<-10u,1,0)
SYMBOL bv -208 912 R0
SYMATTR InstName B7
SYMATTR Value V=if(V(int_out)>0,1,0)
SYMBOL Digital\\srflop 192 624 R0
SYMATTR InstName A3
SYMBOL e 1120 208 R0
SYMATTR InstName E1
SYMATTR Value 24
SYMBOL e 1120 528 R0
SYMATTR InstName E2
SYMATTR Value -24
SYMBOL res 1728 272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 4
SYMBOL cap 1712 368 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 20µ
SYMBOL res 1392 464 R0
SYMATTR InstName R2
SYMATTR Value 300
SYMBOL res 1392 752 R0
SYMATTR InstName R3
SYMATTR Value 30
SYMBOL ind 1472 400 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName 20u
SYMATTR Value 20µ
TEXT -1698 1112 Left 2 !.ac dec 10 10 1meg