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Last update 8 years 1 month
by Carlo Maragno
Draft1.ascVersion 4 SHEET 1 880 680 WIRE -608 -624 -1280 -624 WIRE -1216 -272 -1280 -272 WIRE -1280 -208 -1280 -272 WIRE -608 -192 -608 -624 WIRE 368 -192 -608 -192 WIRE 592 -192 464 -192 WIRE 720 -192 592 -192 WIRE -1280 -112 -1280 -128 WIRE -1184 -112 -1280 -112 WIRE -1280 -80 -1280 -112 WIRE 720 -80 720 -192 WIRE 224 -64 224 -80 WIRE 288 -64 224 -64 WIRE 448 -64 448 -144 WIRE 448 -64 368 -64 WIRE -80 -32 -112 -32 WIRE 32 -32 -16 -32 WIRE 160 -32 112 -32 WIRE 224 -16 224 -64 WIRE 448 48 448 -64 WIRE 448 48 368 48 WIRE -1280 64 -1280 0 WIRE -1216 64 -1280 64 WIRE -192 80 -224 80 WIRE -112 80 -112 -32 WIRE 0 80 -112 80 WIRE 160 96 160 -32 WIRE 160 96 64 96 WIRE 224 96 224 64 WIRE 224 96 160 96 WIRE 304 96 224 96 WIRE 0 112 -64 112 WIRE -112 144 -112 80 WIRE -288 256 -288 224 WIRE -112 256 -112 208 WIRE -112 256 -288 256 WIRE -64 256 -64 112 WIRE -64 256 -112 256 WIRE -288 304 -288 256 FLAG 32 128 v- FLAG 32 64 v+ FLAG -288 384 0 FLAG -288 144 5v FLAG 368 144 v- FLAG 592 -192 vgnd FLAG -224 80 vgnd FLAG 224 -80 v+ FLAG -1216 -272 v+ FLAG -1216 64 v- FLAG -1280 192 5v FLAG -1184 -112 vgnd FLAG -1280 272 vgnd FLAG -1280 -544 0 FLAG 720 0 0 SYMBOL Opamps\\OP27 32 32 R0 SYMATTR InstName U1 SYMBOL res 128 -48 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 1.5m SYMBOL cap -16 -48 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 2200pf SYMBOL res -96 64 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R2 SYMATTR Value 8k SYMBOL diode -128 144 R0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL res -272 240 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R3 SYMATTR Value 10k SYMBOL res -272 400 R180 WINDOW 0 36 76 Left 2 WINDOW 3 58 62 VLeft 2 SYMATTR InstName R4 SYMATTR Value 50k SYMBOL pnp 304 144 M180 WINDOW 0 4 68 Right 2 WINDOW 3 9 28 Right 2 SYMATTR InstName Q1 SYMATTR Value 2N3906 SYMBOL nmos 368 -144 R270 SYMATTR InstName M1 SYMATTR Value BSZ42DN25NS3 SYMBOL res 208 -32 R0 SYMATTR InstName R5 SYMATTR Value 5k SYMBOL res 384 -80 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 1.2k SYMBOL voltage -1280 -224 R0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL voltage -1280 -96 R0 SYMATTR InstName V2 SYMATTR Value 12 SYMBOL voltage -1280 176 R0 SYMATTR InstName V3 SYMATTR Value 5 SYMBOL voltage -1280 -640 R0 SYMATTR InstName V4 SYMATTR Value 40 SYMBOL res 704 -96 R0 SYMATTR InstName R7 SYMATTR Value 100k TEXT -1314 408 Left 2 !.tran 5m