Version 4
SHEET 1 880 680
WIRE -304 -80 -368 -80
WIRE -112 -80 -224 -80
WIRE 64 -80 -32 -80
WIRE -368 160 -368 -80
WIRE -320 160 -368 160
WIRE -160 160 -256 160
WIRE -80 160 -160 160
WIRE 64 160 64 -80
WIRE 64 160 -16 160
WIRE -368 320 -368 160
WIRE -320 320 -368 320
WIRE -160 320 -160 160
WIRE -160 320 -256 320
WIRE -80 320 -160 320
WIRE 64 320 64 160
WIRE 64 320 -16 320
WIRE -160 464 -160 320
FLAG -160 464 0
FLAG -368 160 1
FLAG 64 160 2
SYMBOL polcap -16 144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 43 30 VTop 2
SYMATTR InstName C1
SYMATTR Value 0.22 IC=60
SYMBOL polcap -320 176 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C2
SYMATTR Value 0.22 IC=60
SYMATTR SpiceLine V=60
SYMBOL diode -80 336 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode -256 304 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL res -208 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RSchalt1
SYMATTR Value 15m
SYMBOL res -16 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName RCentlade1
SYMATTR Value 1k
TEXT -630 136 Left 2 !.tran 0 30 0 1m uic