Version 4
SHEET 1 2420 1512
WIRE 64 -320 0 -320
WIRE 112 -320 64 -320
WIRE 256 -320 192 -320
WIRE -48 -304 -112 -304
WIRE -1152 -224 -1328 -224
WIRE -48 -224 -48 -256
WIRE 0 -192 0 -240
WIRE 64 -192 64 -240
WIRE 64 -192 0 -192
WIRE 112 -192 64 -192
WIRE -1152 -160 -1152 -224
WIRE -1152 -144 -1152 -160
WIRE 64 -96 0 -96
WIRE 112 -96 64 -96
WIRE 240 -96 192 -96
WIRE -768 -80 -944 -80
WIRE -48 -80 -112 -80
WIRE -528 -64 -576 -64
WIRE -368 -64 -528 -64
WIRE -208 -64 -272 -64
WIRE -1152 -16 -1152 -80
WIRE -1024 -16 -1152 -16
WIRE -944 -16 -944 -80
WIRE -944 -16 -1024 -16
WIRE -368 -16 -464 -16
WIRE -528 0 -528 -64
WIRE -528 0 -656 0
WIRE -48 0 -48 -32
WIRE -1024 16 -1024 -16
WIRE -768 16 -768 -80
WIRE -720 16 -768 16
WIRE 0 32 0 -16
WIRE 64 32 64 -16
WIRE 64 32 0 32
WIRE 112 32 64 32
WIRE 848 96 496 96
WIRE -1024 128 -1024 80
WIRE 848 144 848 96
WIRE -1536 160 -1616 160
WIRE -1616 192 -1616 160
WIRE -944 192 -944 -16
WIRE -720 192 -944 192
WIRE -464 208 -464 -16
WIRE -464 208 -656 208
WIRE 1824 208 1680 208
WIRE 1968 208 1824 208
WIRE 2080 208 1968 208
WIRE 2128 208 2080 208
WIRE 800 224 720 224
WIRE 1680 256 1680 208
WIRE 1824 256 1824 208
WIRE -1536 272 -1536 160
WIRE -1152 272 -1152 224
WIRE -1152 272 -1296 272
WIRE -48 288 -48 240
WIRE -48 288 -160 288
WIRE -48 320 -48 288
WIRE -1792 352 -1904 352
WIRE -1616 352 -1616 272
WIRE -1616 352 -1712 352
WIRE -160 352 -160 288
WIRE 848 384 848 240
WIRE 848 384 720 384
WIRE 976 384 848 384
WIRE 1200 384 1040 384
WIRE 1680 384 1680 320
WIRE 1680 384 1360 384
WIRE 496 400 496 96
WIRE -1904 432 -1904 352
WIRE -1152 432 -1152 352
WIRE 848 480 848 384
WIRE -1296 496 -1296 272
WIRE -832 496 -1296 496
WIRE -208 496 -208 -64
WIRE -208 496 -832 496
WIRE 1200 496 1200 384
WIRE 1360 496 1360 384
WIRE 2128 512 2128 208
WIRE 1968 528 1968 208
WIRE 800 560 720 560
WIRE 128 592 -112 592
WIRE 128 608 64 608
WIRE -112 624 -112 592
WIRE -112 624 -432 624
WIRE 128 624 96 624
WIRE -832 656 -832 496
WIRE -656 656 -832 656
WIRE -112 656 -112 624
WIRE 0 656 -112 656
WIRE 64 656 64 608
WIRE -160 688 -432 688
WIRE 0 704 -112 704
WIRE 128 704 64 704
WIRE 128 720 64 720
WIRE 848 720 848 576
WIRE 1200 720 1200 528
WIRE 1200 720 848 720
WIRE 1360 720 1360 528
WIRE 1824 720 1824 320
WIRE 1824 720 1360 720
WIRE -160 736 -160 688
WIRE -112 736 -112 704
WIRE -112 736 -160 736
WIRE 96 736 96 624
WIRE 128 736 96 736
WIRE -112 752 -112 736
WIRE 64 752 64 720
WIRE 64 752 -112 752
WIRE 496 752 496 480
WIRE 848 752 848 720
WIRE 1680 816 1680 384
WIRE 1824 816 1824 720
WIRE 1680 960 1680 880
WIRE 1824 960 1824 880
WIRE 1824 960 1680 960
WIRE 1968 960 1968 592
WIRE 1968 960 1824 960
WIRE 2128 960 2128 592
WIRE 2128 960 1968 960
WIRE -1136 1056 -1312 1056
WIRE -976 1056 -1072 1056
WIRE -688 1056 -976 1056
WIRE 96 1056 96 736
WIRE 96 1056 -624 1056
WIRE -1312 1072 -1312 1056
WIRE -1136 1088 -1216 1088
WIRE -944 1088 -1072 1088
WIRE -1248 1264 -1328 1264
WIRE -1216 1264 -1216 1088
WIRE -1216 1264 -1248 1264
FLAG -1024 128 0
FLAG -1152 432 0
FLAG -1152 224 xx
FLAG -48 160 V+
FLAG -48 400 V-
FLAG -160 352 0
FLAG -576 -64 OUT
FLAG -1904 432 0
FLAG -1536 272 0
FLAG -1328 -224 0
FLAG 192 624 S1
FLAG 192 736 S2
FLAG 256 -320 S1gate
FLAG 112 -192 S12base
FLAG -112 -304 S1
FLAG -48 -224 0
FLAG 240 -96 S2gate
FLAG -112 -80 S2
FLAG -48 0 0
FLAG 112 32 0
FLAG 848 752 0
FLAG 496 752 0
FLAG 2128 960 0
FLAG 720 224 S1gate
FLAG 720 384 S12base
FLAG 720 560 S2gate
FLAG 2080 208 OUT2
FLAG -1312 1152 0
FLAG -1328 1344 0
FLAG -1248 1264 in
FLAG -976 1056 out1
SYMBOL srflop -320 -112 R0
SYMATTR InstName A1
SYMBOL cap -1040 16 R0
SYMATTR InstName C1
SYMATTR Value 218p
SYMBOL res -1168 256 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL voltage -48 144 R0
SYMATTR InstName V4
SYMATTR Value 5V
SYMBOL voltage -48 304 R0
SYMATTR InstName V5
SYMATTR Value 0V
SYMBOL Digital/schmitt -720 -48 R0
WINDOW 3 -121 141 Left 2
SYMATTR Value Vhigh=5 Vt=3 Vh=0.1 Td=1n
SYMATTR InstName A2
SYMBOL Digital/schmitt -720 128 R0
WINDOW 3 -117 122 Left 2
SYMATTR Value Vhigh=5 Vt=1 Vh=0.1 Td=1n
SYMATTR InstName A3
SYMBOL res -1808 368 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 5.2k
SYMBOL bi -1152 -80 R180
WINDOW 0 24 80 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName B1
SYMATTR Value I=I(V1)*(0.5-V(xx))*2
SYMBOL voltage -1616 288 R180
WINDOW 0 24 96 Left 2
WINDOW 3 24 16 Left 2
SYMATTR InstName V1
SYMATTR Value 2
SYMBOL Digital\\counter -576 624 R0
WINDOW 3 0 0 Invisible 0
SYMATTR Value cycles=4
SYMATTR InstName A4
SYMBOL Digital\\buf1 0 592 R0
WINDOW 0 -77 31 Left 2
WINDOW 3 -35 32 Left 2
SYMATTR InstName A8
SYMATTR Value Td 350n
SYMBOL Digital\\buf1 0 640 R0
WINDOW 0 -71 96 Left 2
WINDOW 3 -31 95 Left 2
SYMATTR InstName A9
SYMATTR Value Td 350n
SYMBOL Digital\\or 160 544 R0
SYMATTR InstName A12
SYMBOL Digital\\or 160 656 R0
SYMATTR InstName A11
SYMBOL res 48 -336 R0
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL res 48 -112 R0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL e 0 -336 R0
WINDOW 0 -13 -1 Left 2
SYMATTR InstName E1
SYMATTR Value 15
SYMBOL e 0 -112 R0
WINDOW 0 -16 1 Left 2
SYMATTR InstName E2
SYMATTR Value 15
SYMBOL res 208 -336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 5
SYMBOL res 208 -112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 5
SYMBOL res 2112 496 R0
WINDOW 0 -74 42 Left 2
WINDOW 3 -73 82 Left 2
SYMATTR InstName Ro1
SYMATTR Value 57.69
SYMBOL voltage 496 384 R0
WINDOW 0 -84 79 Left 2
WINDOW 3 -84 107 Left 2
WINDOW 123 42 78 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName HVcc
SYMATTR Value 24
SYMBOL nmos 800 144 R0
SYMATTR InstName M1
SYMATTR Value Si7336ADP
SYMBOL nmos 800 480 R0
SYMATTR InstName M2
SYMATTR Value Si7336ADP
SYMBOL diode 1696 320 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMBOL diode 1664 880 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value 1N5817
SYMBOL diode 1808 880 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value 1N5817
SYMBOL cap 1952 528 R0
SYMATTR InstName C2
SYMATTR Value 200µ
SYMBOL diode 1840 320 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMATTR Value 1N5817
SYMBOL etd44_1 1280 512 R0
SYMATTR InstName X1
SYMBOL cap 1040 368 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 370n
SYMBOL Digital\\or -656 1008 R0
SYMATTR InstName A5
SYMBOL voltage -1328 1248 R0
WINDOW 0 -37 9 Left 2
WINDOW 3 -253 84 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value PULSE(0 1 1m 0 0 1m 4m)
SYMBOL voltage -1312 1056 R0
WINDOW 0 -44 9 Left 2
WINDOW 3 -63 94 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V6
SYMATTR Value 0.5
SYMBOL Digital\\diffschmitt -1136 1008 R0
WINDOW 3 0 0 Invisible 0
SYMATTR Value Vt=0 Vh=0.1
SYMATTR InstName A7
TEXT -1736 504 Left 2 !.tran 30m startup
TEXT -928 -240 Left 2 !.lib opamp.sub
TEXT 664 416 Left 2 ;CTR
TEXT 680 256 Left 2 ;HO
TEXT 680 592 Left 2 ;LO
TEXT -1920 496 Left 2 ;RT