Version 4 SHEET 1 1112 984 WIRE 192 -112 112 -112 WIRE 544 -112 192 -112 WIRE 112 -96 112 -112 WIRE 432 -64 432 -80 WIRE 192 -16 192 -112 WIRE 304 -16 192 -16 WIRE 112 0 112 -16 WIRE 304 16 304 -16 WIRE 432 16 432 0 WIRE 192 80 192 -16 WIRE 224 80 192 80 WIRE 544 80 544 -112 WIRE 544 80 512 80 WIRE 0 176 -144 176 WIRE 224 176 0 176 WIRE 752 176 512 176 WIRE 848 176 752 176 WIRE -144 192 -144 176 WIRE 0 192 0 176 WIRE 752 192 752 176 WIRE 848 192 848 176 WIRE 224 272 80 272 WIRE 624 272 512 272 WIRE -144 288 -144 272 WIRE 0 288 0 256 WIRE 752 288 752 256 WIRE 848 288 848 272 WIRE 80 304 80 272 WIRE 624 304 624 272 WIRE 80 400 80 384 WIRE 624 400 624 384 WIRE 192 464 192 80 WIRE 224 464 192 464 WIRE 544 464 544 80 WIRE 544 464 512 464 WIRE 0 560 -144 560 WIRE 224 560 0 560 WIRE 752 560 512 560 WIRE 848 560 752 560 WIRE -144 576 -144 560 WIRE 0 576 0 560 WIRE 752 576 752 560 WIRE 848 576 848 560 WIRE 224 656 80 656 WIRE 624 656 512 656 WIRE -144 672 -144 656 WIRE 0 672 0 640 WIRE 752 672 752 640 WIRE 848 672 848 656 WIRE 80 688 80 656 WIRE 624 688 624 656 WIRE 80 784 80 768 WIRE 624 784 624 768 WIRE 304 832 304 816 WIRE 432 832 432 816 FLAG 112 0 0 FLAG 304 832 0 FLAG -144 288 0 FLAG 0 288 0 FLAG 80 400 0 FLAG -144 672 0 FLAG 0 672 0 FLAG 80 784 0 FLAG 848 288 0 FLAG 752 288 0 FLAG 624 400 0 FLAG 848 672 0 FLAG 752 672 0 FLAG 624 784 0 FLAG 432 832 0 FLAG 112 -112 IN FLAG -144 176 OUT1 FLAG -144 560 OUT2 FLAG 848 560 OUT4 FLAG 848 176 OUT3 FLAG 432 -80 0 SYMBOL voltage 112 -112 R0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL cap -16 192 R0 SYMATTR InstName C1 SYMATTR Value 47µ SYMBOL res 64 288 R0 SYMATTR InstName R1 SYMATTR Value 40.2K SYMBOL cap -16 576 R0 SYMATTR InstName C3 SYMATTR Value 47µ SYMBOL res 64 672 R0 SYMATTR InstName R2 SYMATTR Value 19.1K SYMBOL cap 736 192 R0 SYMATTR InstName C4 SYMATTR Value 47µ SYMBOL res 608 288 R0 SYMATTR InstName R3 SYMATTR Value 13.3K SYMBOL cap 736 576 R0 SYMATTR InstName C5 SYMATTR Value 47µ SYMBOL res 608 672 R0 SYMATTR InstName R4 SYMATTR Value 30.1K SYMBOL cap 416 -64 R0 SYMATTR InstName C6 SYMATTR Value 4.7µ SYMBOL res 832 176 R0 SYMATTR InstName Rload3 SYMATTR Value 2.74 SYMBOL res 832 560 R0 SYMATTR InstName Rload4 SYMATTR Value 1.5 SYMBOL res -160 176 R0 SYMATTR InstName Rload1 SYMATTR Value 1.27 SYMBOL res -160 560 R0 SYMATTR InstName Rload2 SYMATTR Value 2.1 SYMBOL LTM4668A 368 416 R0 SYMATTR InstName U1 TEXT 536 856 Left 2 !.tran 1.2m startup