Version 4
SHEET 1 880 680
WIRE -80 -208 -160 -208
WIRE 64 -208 0 -208
WIRE 400 -208 64 -208
WIRE 400 -192 400 -208
WIRE 352 -176 320 -176
WIRE -160 -144 -160 -208
WIRE -64 -144 -160 -144
WIRE -64 -112 -64 -144
WIRE 144 -80 144 -96
WIRE -160 -64 -160 -144
WIRE 64 -64 64 -208
WIRE 112 -64 64 -64
WIRE 224 -48 176 -48
WIRE 320 -48 320 -176
WIRE 320 -48 304 -48
WIRE 112 -32 64 -32
WIRE -160 -16 -160 -64
WIRE -64 0 -64 -32
WIRE 64 0 64 -32
WIRE 64 0 -64 0
WIRE -64 32 -64 0
WIRE 144 48 144 -16
WIRE -160 128 -160 64
WIRE -112 128 -160 128
WIRE 400 128 400 -96
WIRE 544 128 400 128
WIRE -112 144 -112 128
WIRE -64 144 -64 112
WIRE 544 160 544 128
WIRE 144 176 144 128
WIRE -160 208 -160 128
WIRE 400 208 400 128
WIRE 544 304 544 240
WIRE -160 400 -160 288
WIRE 400 400 400 288
WIRE 400 400 -160 400
FLAG -112 144 0
FLAG 544 304 0
FLAG -64 144 0
FLAG -160 -64 VCC
IOPIN -160 -64 BiDir
FLAG 144 -96 VCC
IOPIN 144 -96 BiDir
FLAG 144 176 0
SYMBOL voltage -160 -32 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 120
SYMBOL voltage -160 192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 120
SYMBOL res 528 144 R0
SYMATTR InstName R3
SYMATTR Value 200k
SYMBOL Opamps\\LT6004 144 -48 R0
SYMATTR InstName U1
SYMBOL res 16 -224 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 25k
SYMBOL res -80 16 R0
SYMATTR InstName R4
SYMATTR Value 1MEG
SYMBOL pmos 352 -96 M180
SYMATTR InstName M1
SYMATTR Value IRFP9240
SYMBOL res 384 192 R0
SYMATTR InstName R2
SYMATTR Value 100MEG
SYMBOL res 320 -64 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL voltage -64 -128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 2.5
SYMBOL voltage 144 32 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 110
TEXT -194 406 Left 0 !.tran 10E-3