Version 4 SHEET 1 1428 836 WIRE -336 -416 -448 -416 WIRE -256 -416 -336 -416 WIRE -128 -416 -256 -416 WIRE 560 -416 -128 -416 WIRE -336 -384 -336 -416 WIRE -256 -384 -256 -416 WIRE -448 -336 -448 -416 WIRE -336 -288 -336 -320 WIRE -256 -288 -256 -320 WIRE 560 -240 560 -416 WIRE 640 -240 560 -240 WIRE 736 -240 640 -240 WIRE 816 -240 736 -240 WIRE 960 -240 816 -240 WIRE -448 -208 -448 -256 WIRE 112 -208 -16 -208 WIRE 400 -208 112 -208 WIRE 1344 -208 400 -208 WIRE -16 -176 -16 -208 WIRE 816 -128 816 -240 WIRE 960 -128 960 -240 WIRE 736 -96 736 -240 WIRE 640 -80 640 -240 WIRE -16 -64 -16 -96 WIRE 560 -64 560 -240 WIRE 816 -64 816 -80 WIRE 400 -32 400 -208 WIRE 640 0 560 0 WIRE 656 0 640 0 WIRE 736 0 736 -32 WIRE 736 0 656 0 WIRE 960 0 960 -64 WIRE -128 32 -128 -416 WIRE -80 32 -128 32 WIRE 208 32 176 32 WIRE 320 32 272 32 WIRE -128 48 -128 32 WIRE -80 64 -80 32 WIRE 192 80 48 80 WIRE 176 112 176 32 WIRE 176 112 64 112 WIRE 208 112 176 112 WIRE 320 112 320 32 WIRE 320 112 288 112 WIRE 656 112 656 0 WIRE 656 112 320 112 WIRE 112 128 112 -208 WIRE 176 128 112 128 WIRE -128 144 -128 128 WIRE -80 144 -80 128 WIRE -80 144 -128 144 WIRE 112 160 112 128 WIRE 656 160 656 112 WIRE 816 160 816 -64 WIRE 816 160 656 160 WIRE 960 160 960 80 WIRE 960 160 816 160 WIRE 1296 160 1152 160 WIRE -128 176 -128 144 WIRE -16 176 -16 80 WIRE -16 176 -128 176 WIRE 80 176 -16 176 WIRE 656 176 656 160 WIRE 192 192 192 80 WIRE 192 192 144 192 WIRE 224 192 192 192 WIRE 400 192 400 48 WIRE 400 192 288 192 WIRE 736 192 736 0 WIRE 1072 192 1072 160 WIRE 1072 192 944 192 WIRE -32 208 -304 208 WIRE 64 208 64 112 WIRE 64 208 48 208 WIRE 80 208 64 208 WIRE 400 256 400 192 WIRE 448 256 400 256 WIRE 576 256 528 256 WIRE 608 256 576 256 WIRE 944 272 944 192 WIRE 992 272 944 272 WIRE 1248 272 1232 272 WIRE 1296 272 1296 160 WIRE 1296 272 1248 272 WIRE 576 288 576 256 WIRE 656 288 656 272 WIRE 768 288 656 288 WIRE -304 304 -304 208 WIRE -128 304 -128 176 WIRE 192 304 128 304 WIRE 176 320 176 128 WIRE 656 320 656 288 WIRE 0 336 -16 336 WIRE 128 336 128 304 WIRE 128 336 80 336 WIRE 144 336 128 336 WIRE 864 336 784 336 WIRE 992 336 944 336 WIRE 1344 336 1344 -208 WIRE 1344 336 1248 336 WIRE 256 352 256 304 WIRE 256 352 208 352 WIRE 288 352 256 352 WIRE 400 352 400 256 WIRE 400 352 352 352 WIRE 144 368 96 368 WIRE 576 400 576 368 WIRE 768 400 768 288 WIRE 864 400 768 400 WIRE 992 400 944 400 WIRE 1344 400 1248 400 WIRE 400 416 400 352 WIRE 656 432 656 400 WIRE 784 432 784 336 WIRE 784 432 656 432 WIRE -304 448 -304 384 WIRE 0 448 -80 448 WIRE 96 448 96 368 WIRE 96 448 80 448 WIRE 112 448 112 224 WIRE 176 448 176 384 WIRE 176 448 112 448 WIRE 992 464 816 464 WIRE 1296 464 1248 464 WIRE 656 480 656 432 WIRE 736 480 736 256 WIRE 736 480 656 480 WIRE 1296 496 1296 464 WIRE -80 512 -80 448 WIRE 112 512 112 448 WIRE 816 512 816 464 WIRE 816 512 112 512 WIRE 400 544 400 480 WIRE 656 560 656 480 WIRE -128 592 -128 384 WIRE -80 592 -128 592 WIRE -16 608 -16 336 WIRE 1344 608 1344 400 WIRE 1344 608 -16 608 WIRE -128 640 -128 592 WIRE 816 672 816 512 WIRE 816 816 816 752 FLAG 656 560 0 FLAG 400 544 0 FLAG -128 640 0 FLAG 816 816 0 FLAG -16 -64 0 FLAG -448 -208 0 FLAG -304 448 0 FLAG 1296 496 0 FLAG -336 -288 0 FLAG -256 -288 0 FLAG 576 400 0 SYMBOL res -144 32 R0 WINDOW 0 -38 18 Left 2 WINDOW 3 -49 53 Left 2 SYMATTR InstName R1 SYMATTR Value 300k SYMBOL res -144 288 R0 WINDOW 0 -35 19 Left 2 WINDOW 3 -40 49 Left 2 SYMATTR InstName R2 SYMATTR Value 30k SYMBOL res 64 192 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 30k SYMBOL res 304 96 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 300k SYMBOL res 432 272 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R6 SYMATTR Value 100 SYMBOL schottky 752 -32 R180 WINDOW 0 21 109 Left 2 WINDOW 3 -12 85 Left 2 SYMATTR InstName D1 SYMATTR Value PDS5100 SYMATTR Description Diode SYMATTR Type diode SYMBOL zener 416 480 R180 WINDOW 0 -42 43 Left 2 WINDOW 3 -92 -4 Left 2 SYMATTR InstName D2 SYMATTR Value TFZ6_2B SYMBOL nmos 608 176 R0 WINDOW 0 -62 11 Left 2 WINDOW 3 -86 34 Left 2 SYMATTR InstName M1 SYMATTR Value IRFP240 SYMBOL res 640 304 R0 SYMATTR InstName R7 SYMATTR Value 0.2 SYMBOL schottky 288 176 R90 WINDOW 0 13 -13 VBottom 2 WINDOW 3 29 -18 VTop 2 SYMATTR InstName D3 SYMATTR Value BAT54 SYMATTR Description Diode SYMATTR Type diode SYMBOL res 624 -96 R0 SYMATTR InstName R8 SYMATTR Value 3.3k SYMBOL schottky 752 256 R180 WINDOW 0 -40 56 Left 2 WINDOW 3 -111 3 Left 2 SYMATTR InstName D4 SYMATTR Value PDS5100 SYMATTR Description Diode SYMATTR Type diode SYMBOL res 944 -16 R0 SYMATTR InstName R9 SYMATTR Value 4 SYMBOL voltage -448 -352 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 0 -101 25 Left 2 WINDOW 3 -201 58 Left 2 SYMATTR InstName V1 SYMATTR Value SINE(40 1 100) SYMBOL voltage -304 288 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 2 SYMBOL cap 48 64 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value 3.3p SYMBOL load 944 -128 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName I1 SYMATTR Value PULSE(4 0 0 0.01 0.01 0.2 0.4 10) SYMBOL cap 544 -64 R0 WINDOW 0 -33 5 Left 2 WINDOW 3 -36 54 Left 2 SYMATTR InstName C1 SYMATTR Value 1µ SYMATTR SpiceLine V=100 Irms=2.09 Rser=0.0367162 Lser=0 SYMBOL cap 272 16 R90 WINDOW 0 -39 30 VBottom 2 WINDOW 3 -32 31 VTop 2 SYMATTR InstName C4 SYMATTR Value 56p SYMBOL Opamps\\LT1167 1120 368 R0 SYMATTR InstName U3 SYMBOL res 960 320 R90 WINDOW 0 -25 62 VBottom 2 WINDOW 3 -25 66 VTop 2 SYMATTR InstName R10 SYMATTR Value 1k SYMBOL res 960 384 R90 WINDOW 0 53 58 VBottom 2 WINDOW 3 49 59 VTop 2 SYMATTR InstName R11 SYMATTR Value 1k SYMBOL res -16 352 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R12 SYMATTR Value 5k SYMBOL res 1056 176 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R13 SYMATTR Value 12350 SYMBOL voltage 816 768 R180 WINDOW 0 24 96 Left 2 WINDOW 3 24 16 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V3 SYMATTR Value 12 SYMBOL Opamps\\LT1498 112 128 R0 WINDOW 0 17 11 Left 2 WINDOW 3 7 32 Left 2 SYMATTR InstName U1 SYMBOL Opamps\\LT1498 176 288 R0 WINDOW 0 22 88 Left 2 WINDOW 3 -27 111 Left 2 SYMATTR InstName U4 SYMBOL schottky 352 336 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D5 SYMATTR Value BAT54 SYMBOL res 96 432 R90 WINDOW 0 65 57 VBottom 2 WINDOW 3 62 58 VTop 2 SYMATTR InstName R14 SYMATTR Value 5k SYMBOL voltage -80 496 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V4 SYMATTR Value 1 SYMBOL cap 256 288 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value 470p SYMBOL voltage -16 -192 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V5 SYMATTR Value 12 SYMBOL cap -352 -384 R0 SYMATTR InstName C6 SYMATTR Value 1µ SYMBOL cap -272 -384 R0 SYMATTR InstName C7 SYMATTR Value 1000µ SYMBOL cap 800 -128 R0 SYMATTR InstName C8 SYMATTR Value 22µ SYMBOL res 560 272 R0 SYMATTR InstName R15 SYMATTR Value 3.3k SYMBOL cap -96 64 R0 SYMATTR InstName C2 SYMATTR Value 56p SYMBOL current 400 -32 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName I2 SYMATTR Value 7.5m TEXT -608 584 Left 2 !.tran 2