Version 4 SHEET 1 880 680 WIRE 176 32 64 32 WIRE 320 32 176 32 WIRE 400 32 320 32 WIRE 320 64 320 32 WIRE 400 64 400 32 WIRE 64 144 64 112 WIRE 400 160 400 144 WIRE 64 240 64 224 WIRE 240 240 64 240 WIRE 320 240 320 144 WIRE 320 240 240 240 WIRE 400 240 320 240 WIRE 240 256 240 240 FLAG 240 256 0 FLAG 176 32 na FLAG 320 32 nb SYMBOL res 48 16 R0 SYMATTR InstName R1 SYMATTR Value 11 SYMBOL res 48 128 R0 SYMATTR InstName R2 SYMATTR Value 11 SYMBOL res 304 48 R0 SYMATTR InstName R4 SYMATTR Value 7 SYMBOL res 384 48 R0 SYMATTR InstName R5 SYMATTR Value 5 SYMBOL voltage 400 144 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 5 TEXT 48 280 Left 2 !.op