Version 4
SHEET 1 992 688
WIRE 208 96 96 96
WIRE 304 96 208 96
WIRE 96 128 96 96
WIRE 304 128 304 96
WIRE 96 224 96 208
WIRE 304 224 304 208
FLAG 304 224 0
FLAG 96 224 0
FLAG 208 96 VR
SYMBOL mbit 304 128 R0
SYMATTR InstName X1
SYMBOL voltage 96 112 R0
WINDOW 0 44 40 Left 0
WINDOW 3 -52 186 VLeft 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName VR
SYMATTR Value PULSE(-0.5 0.5 0 1 1 1u)
TEXT 152 216 Left 0 !.tran 0 2