Version 4
SHEET 1 1168 680
WIRE 448 32 448 -48
WIRE 640 64 640 -48
WIRE 640 144 640 64
WIRE 448 192 448 112
WIRE 512 192 448 192
WIRE 576 192 512 192
WIRE 640 272 640 240
WIRE 832 272 640 272
WIRE 448 304 448 192
WIRE 640 304 640 272
WIRE 448 432 448 384
WIRE 640 432 640 384
FLAG 640 -128 0
FLAG 640 432 0
FLAG 448 432 0
FLAG 448 -128 0
FLAG 640 64 E
FLAG 512 192 B
FLAG 640 272 C
SYMBOL voltage 640 -32 R180
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value PWL(10m 5 100m 0)
SYMBOL pnp 576 240 M180
SYMATTR InstName Q3
SYMATTR Value 2N3906
SYMBOL res 432 16 R0
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res 432 288 R0
SYMATTR InstName R6
SYMATTR Value 2.61k
SYMBOL res 624 288 R0
SYMATTR InstName R7
SYMATTR Value 100
SYMBOL voltage 448 -32 R180
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 3.6
TEXT 792 -96 Left 2 !.tran 120m
TEXT 768 248 Left 2 ;Gate (p-channel MOSFET)