Version 4
SHEET 1 1160 1096
WIRE -256 -80 -1040 -80
WIRE -16 -80 -256 -80
WIRE 80 -80 -16 -80
WIRE 288 -80 176 -80
WIRE 320 -80 288 -80
WIRE 416 -80 400 -80
WIRE 528 -80 416 -80
WIRE 640 -80 528 -80
WIRE -1040 -64 -1040 -80
WIRE 528 -64 528 -80
WIRE 640 -64 640 -80
WIRE 160 -16 160 -32
WIRE -1040 32 -1040 16
WIRE 528 32 528 0
WIRE 640 32 640 16
WIRE 160 80 160 64
WIRE 208 80 160 80
WIRE -16 144 -16 -80
WIRE -256 192 -256 -80
WIRE -16 256 -16 224
WIRE 160 256 160 80
WIRE 288 256 288 -80
WIRE 416 256 416 -80
WIRE -256 352 -256 272
WIRE -256 352 -368 352
WIRE -128 352 -256 352
WIRE -80 352 -128 352
WIRE 512 352 480 352
WIRE 624 352 592 352
WIRE -368 368 -368 352
WIRE -256 368 -256 352
WIRE -368 448 -368 432
WIRE -256 448 -256 432
WIRE -128 448 -128 352
WIRE -80 448 -128 448
WIRE 512 448 480 448
WIRE 128 528 128 512
WIRE 320 544 320 512
WIRE 320 624 320 608
WIRE -128 672 -128 448
WIRE 624 672 624 352
WIRE 624 672 -128 672
FLAG -1040 32 0
FLAG 528 32 0
FLAG 640 32 0
FLAG 320 624 0
FLAG 128 528 0
FLAG -256 448 0
FLAG -368 448 0
FLAG 640 -80 OUT
FLAG -1040 -80 IN
FLAG 208 224 0
FLAG 512 448 0
SYMBOL res 144 -32 R0
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL res 304 -64 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 10m
SYMBOL nmos 80 -32 R270
WINDOW 0 57 42 VTop 2
WINDOW 3 -14 72 VLeft 2
SYMATTR InstName Q1
SYMATTR Value FDB33N25
SYMBOL cap 304 544 R0
SYMATTR InstName C2
SYMATTR Value 0.2µ
SYMBOL cap 512 -64 R0
SYMATTR InstName Cload
SYMATTR Value 22µ
SYMBOL voltage -1040 -80 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR Value pwl(0 0 20u 0 50u 12 100m 12 101m 80 200m 80 201m 12)
SYMATTR InstName V1
SYMBOL zener -272 432 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5371B
SYMBOL cap -384 368 R0
SYMATTR InstName C4
SYMATTR Value .1µ
SYMBOL res 624 -80 R0
SYMATTR InstName Rload
SYMATTR Value 100
SYMBOL res 608 336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 40K
SYMBOL cap 192 80 R0
WINDOW 3 39 35 Left 2
SYMATTR Value 47n
SYMATTR InstName C1
SYMBOL res 192 128 R0
WINDOW 3 39 67 Left 2
SYMATTR Value 100
SYMATTR InstName R4
SYMBOL LTC4380-2 208 384 R0
SYMATTR InstName U1
SYMBOL res -32 128 R0
SYMATTR InstName R3
SYMATTR Value 80K
SYMBOL res -272 176 R0
SYMATTR InstName R5
SYMATTR Value 10K
TEXT 776 680 Left 2 !.tran 10