Version 4
SHEET 1 880 680
WIRE 112 64 0 64
WIRE 224 64 192 64
WIRE 288 64 224 64
WIRE 400 64 368 64
WIRE 512 64 400 64
WIRE 512 80 512 64
WIRE 0 96 0 64
WIRE 224 112 224 64
WIRE 400 112 400 64
WIRE 0 224 0 176
WIRE 224 224 224 192
WIRE 224 224 0 224
WIRE 272 224 224 224
WIRE 400 224 400 192
WIRE 400 224 272 224
WIRE 512 224 512 160
WIRE 512 224 400 224
WIRE 272 240 272 224
FLAG 272 240 0
FLAG 224 64 Va
FLAG 400 64 vb
SYMBOL voltage 0 192 M180
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 V1
SYMATTR Value 4
SYMBOL res 208 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 5
SYMBOL res 240 208 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R2
SYMATTR Value 8
SYMBOL res 384 48 R90
WINDOW 0 2 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 6
SYMBOL res 416 208 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R4
SYMATTR Value 12
SYMBOL current 512 80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value 2
TEXT -34 264 Left 2 !.op