Version 4
SHEET 1 880 680
WIRE 208 96 112 96
WIRE 320 96 288 96
WIRE 320 144 320 96
WIRE 112 160 112 96
WIRE 112 288 112 240
WIRE 144 288 112 288
WIRE 208 288 144 288
WIRE 320 288 320 208
WIRE 320 288 288 288
WIRE 144 352 144 288
FLAG 320 96 a
FLAG 320 288 b
FLAG 144 352 0
SYMBOL voltage 112 144 R0
SYMATTR InstName V1
SYMATTR Value 0
SYMBOL res 304 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName Rg
SYMATTR Value 50
SYMBOL res 304 272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1
SYMBOL diode 304 144 R0
SYMATTR InstName D1
SYMATTR Value 1N4004
SYMATTR SpiceModel 1N4004
TEXT 40 312 Left 2 !.dc V1 0 5 0.01
TEXT 296 328 Left 2 !.inc 1N4004.txt