Version 4
SHEET 1 880 680
WIRE -304 -80 -544 -80
WIRE 64 -80 -304 -80
WIRE -544 16 -544 -80
WIRE -304 128 -304 -80
WIRE -544 144 -544 96
WIRE -480 144 -544 144
WIRE -352 144 -400 144
WIRE 64 144 64 -80
WIRE -544 272 -544 144
WIRE -304 272 -304 224
WIRE -752 320 -976 320
WIRE -608 320 -672 320
WIRE -976 368 -976 320
WIRE -304 400 -304 352
WIRE -976 512 -976 448
WIRE -544 512 -544 368
WIRE -544 512 -976 512
WIRE -304 512 -304 480
WIRE -304 512 -544 512
WIRE 64 512 64 224
WIRE 64 512 -304 512
FLAG 64 512 0
SYMBOL voltage 64 128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 24
SYMBOL pmos -352 224 M180
SYMATTR InstName M1
SYMBOL res -560 0 R0
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL npn -608 272 R0
SYMATTR InstName Q1
SYMBOL res -384 128 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 2.4k
SYMBOL res -320 384 R0
SYMATTR InstName R3
SYMATTR Value 165
SYMBOL res -656 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 3k
SYMBOL voltage -976 352 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 0
SYMBOL current -304 272 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value 4m
TEXT -1010 536 Left 2 !.dc I1 4m 20m 1u