Version 4
SHEET 1 4144 2708
WIRE 1968 -304 1968 -352
WIRE 1968 -224 1968 -176
WIRE 1968 -176 1840 -176
WIRE 1840 -352 1840 -304
WIRE 1840 -224 1840 -176
WIRE 1840 -176 1840 -160
WIRE 1968 -352 1840 -352
FLAG 1840 -160 GND
SYMBOL Variable\ resistances\\RES_PWL 1952 -320 R0
SYMATTR InstName U1
SYMBOL voltage 1840 -320 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 1
TEXT 1832 -424 Left 0 !.TRAN 200