Version 4 SHEET 1 940 680 WIRE -288 -32 -352 -32 WIRE 48 -32 -288 -32 WIRE 256 -32 48 -32 WIRE 512 -32 256 -32 WIRE -352 0 -352 -32 WIRE 48 16 48 -32 WIRE 256 16 256 -32 WIRE 512 16 512 -32 WIRE 160 32 96 32 WIRE 208 32 160 32 WIRE 464 32 368 32 WIRE -352 144 -352 80 WIRE -288 144 -352 144 WIRE -192 144 -288 144 WIRE 48 144 48 112 WIRE 160 144 160 32 WIRE 160 144 48 144 WIRE 256 144 256 112 WIRE 368 144 368 32 WIRE 368 144 256 144 WIRE -288 176 -288 144 WIRE -192 176 -192 144 WIRE 48 192 48 144 WIRE 256 192 256 144 WIRE 512 208 512 112 WIRE 640 208 512 208 WIRE 688 208 640 208 WIRE -352 240 -352 144 WIRE 0 272 -16 272 WIRE 352 272 304 272 WIRE 640 272 640 208 WIRE -192 288 -192 256 WIRE -80 288 -192 288 WIRE -16 288 -16 272 WIRE 352 288 352 272 WIRE 48 304 48 288 WIRE 160 304 48 304 WIRE 256 304 256 288 WIRE 256 304 160 304 WIRE -192 320 -192 288 WIRE 160 320 160 304 WIRE 512 320 512 208 WIRE -80 400 -80 288 WIRE -80 400 -144 400 WIRE 80 400 -80 400 WIRE 112 400 80 400 WIRE 352 400 352 368 WIRE 464 400 432 400 WIRE 640 416 640 352 WIRE 80 432 80 400 WIRE 432 432 432 400 WIRE 432 432 80 432 WIRE -352 528 -352 320 WIRE -304 528 -352 528 WIRE -192 528 -192 416 WIRE -192 528 -304 528 WIRE 160 528 160 416 WIRE 160 528 -192 528 WIRE 512 528 512 416 WIRE 512 528 160 528 FLAG -288 176 0 FLAG -288 -32 Vcc FLAG -304 528 Vee FLAG 352 272 in FLAG -16 288 0 FLAG 352 400 0 FLAG 688 208 out FLAG 640 416 0 SYMBOL voltage -352 -16 R0 WINDOW 3 37 78 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value 15v SYMATTR InstName V1 SYMBOL voltage -352 224 R0 WINDOW 3 20 99 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value 15v SYMATTR InstName V2 SYMBOL voltage 352 272 R0 WINDOW 3 -97 107 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value SINE(0 0m1 1k) SYMATTR InstName V3 SYMBOL pmos 96 112 R180 WINDOW 3 55 113 Left 2 SYMATTR Value RRQ030P03 SYMATTR InstName M1 SYMBOL pmos 208 112 M180 WINDOW 3 -89 119 Left 2 SYMATTR Value RRQ030P03 SYMATTR InstName M2 SYMBOL nmos 0 192 R0 WINDOW 3 -79 -14 Left 2 SYMATTR Value IRF2805S SYMATTR InstName M3 SYMBOL res -208 160 R0 SYMATTR InstName R1 SYMATTR Value 1k SYMBOL nmos 304 192 M0 WINDOW 3 61 -13 Left 2 SYMATTR Value IRF2805S SYMATTR InstName M7 SYMBOL nmos -144 320 M0 WINDOW 3 -104 131 Left 2 SYMATTR Value IRF2805S SYMATTR InstName M8 SYMBOL nmos 112 320 R0 WINDOW 3 -12 138 Left 2 SYMATTR Value IRF2805S SYMATTR InstName M9 SYMBOL pmos 464 112 M180 WINDOW 3 -87 122 Left 2 SYMATTR Value RRQ030P03 SYMATTR InstName M4 SYMBOL nmos 464 320 R0 WINDOW 3 -76 135 Left 2 SYMATTR Value IRF2805S SYMATTR InstName M5 SYMBOL res 624 256 R0 SYMATTR InstName R2 SYMATTR Value 10k TEXT -200 72 Left 2 !.tran 10m