Version 4
SHEET 1 988 680
WIRE 0 -352 -64 -352
WIRE 160 -352 80 -352
WIRE 208 -352 160 -352
WIRE 336 -352 288 -352
WIRE -64 -304 -64 -352
WIRE 160 -304 160 -352
WIRE 336 -304 336 -352
WIRE -64 -192 -64 -224
WIRE 160 -192 160 -240
WIRE 336 -192 336 -240
WIRE 0 -128 -64 -128
WIRE 160 -128 80 -128
WIRE 336 -128 160 -128
WIRE -64 -80 -64 -128
WIRE 336 -80 336 -128
WIRE 160 -64 160 -128
WIRE -64 48 -64 0
WIRE 160 48 160 0
WIRE 336 48 336 0
FLAG 336 -192 0
FLAG 336 -352 V1
FLAG 160 -352 V2
FLAG 160 -192 0
FLAG 160 -128 V3
FLAG 160 48 0
FLAG -64 -192 0
FLAG -64 48 0
FLAG 336 48 0
SYMBOL cap 320 -304 R0
SYMATTR InstName C1
SYMATTR Value 0.25uF
SYMBOL cap 176 -240 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C2
SYMATTR Value 1uF
SYMBOL res 304 -368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL cap 176 0 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C3
SYMATTR Value 1uF
SYMBOL res 352 16 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL res 96 -368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RM2
SYMATTR Value 25
SYMBOL bv -64 -320 M0
SYMATTR InstName M2
SYMATTR Value V=((5.5-V(V3))*V(V1)/10) + V(V2)
SYMBOL bv -64 -96 M0
SYMATTR InstName M1
SYMATTR Value V=(V(V2)*V(V1)/10)+V(V3)
SYMBOL res 96 -144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RM1
SYMATTR Value 25
TEXT -72 104 Left 2 !.tran 0 300m 10m 0.01m
TEXT -72 136 Left 2 !.ic V(V1)=0.4