Version 4
SHEET 1 1392 680
WIRE 1008 -80 816 -80
WIRE 1152 -80 1072 -80
WIRE 1264 -80 1152 -80
WIRE 816 -64 816 -80
WIRE 816 -64 496 -64
FLAG 496 16 0
FLAG 1264 0 0
FLAG 1152 -16 0
SYMBOL voltage 496 -80 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -13 2 Left 2
WINDOW 3 -246 133 Left 2
SYMATTR InstName V3
SYMATTR Value SINE(0 {X} 2300 0 0)
SYMBOL diode 1008 -64 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 -7 33 VBottom 2
SYMATTR InstName D1
SYMATTR Value BAS21VM
SYMBOL cap 1136 -80 R0
SYMATTR InstName C1
SYMATTR Value 1µF
SYMBOL res 1248 -96 R0
SYMATTR InstName R1
SYMATTR Value 56Meg
TEXT 424 -152 Left 2 !.tran 1
TEXT 864 -360 Left 2 !.step param X list 1 2 3