Version 4 SHEET 1 1228 680 WIRE 240 48 160 48 WIRE 160 80 160 48 WIRE 496 80 496 48 WIRE 160 192 160 160 WIRE 496 192 496 160 FLAG 160 192 0 FLAG 240 48 1 FLAG 496 192 0 FLAG 496 48 REF SYMBOL voltage 160 64 R0 WINDOW 123 24 106 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value2 AC 1 SYMATTR InstName V1 SYMATTR Value "" SYMBOL res 480 64 R0 SYMATTR InstName R1 SYMATTR Value 1k TEXT 128 -32 Left 2 !.ac dec 100 1meg 10meg TEXT 128 -72 Left 2 !.inc myref.txt