Version 4
SHEET 1 880 680
WIRE -816 -112 -944 -112
WIRE -624 -112 -816 -112
WIRE -544 -112 -624 -112
WIRE -464 -112 -544 -112
WIRE -304 -112 -368 -112
WIRE -144 -112 -304 -112
WIRE -816 -80 -816 -112
WIRE -624 -80 -624 -112
WIRE -544 -80 -544 -112
WIRE -304 -80 -304 -112
WIRE -624 0 -624 -16
WIRE -544 0 -624 0
WIRE -448 0 -448 -64
WIRE -448 0 -544 0
WIRE -304 0 -304 -16
WIRE -304 0 -448 0
WIRE -944 32 -944 -112
WIRE -816 48 -816 -16
WIRE -752 48 -816 48
WIRE -624 48 -624 0
WIRE -624 48 -688 48
WIRE -816 112 -816 48
WIRE -624 112 -624 48
WIRE -144 112 -144 -112
WIRE -944 240 -944 112
WIRE -816 240 -816 192
WIRE -816 240 -944 240
WIRE -624 240 -624 192
WIRE -624 240 -816 240
WIRE -144 240 -144 192
WIRE -144 240 -624 240
WIRE -624 288 -624 240
FLAG -624 288 0
SYMBOL pmos -368 -64 M270
SYMATTR InstName M1
SYMATTR Value IRFR5305
SYMATTR Prefix X
SYMBOL cap -640 -80 R0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL res -560 -96 R0
SYMATTR InstName R1
SYMATTR Value 1meg
SYMBOL res -640 96 R0
SYMATTR InstName R2
SYMATTR Value 180k
SYMBOL diode -752 32 M90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL res -832 96 R0
SYMATTR InstName R3
SYMATTR Value 470
SYMBOL cap -320 -80 R0
SYMATTR InstName C2
SYMATTR Value 2µ2
SYMBOL res -160 96 R0
SYMATTR InstName R4
SYMATTR Value 2
SYMBOL voltage -944 16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 14
SYMBOL zener -800 -16 R180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D2
SYMATTR Value 1N750
TEXT -376 -152 Left 0 !.lib IRFR5305.LIB
TEXT -978 312 Left 0 !.tran 1