Version 4
SHEET 1 1044 680
WIRE 32 -64 -144 -64
WIRE 320 -64 32 -64
WIRE 560 -64 416 -64
WIRE 704 -64 560 -64
WIRE 832 -64 704 -64
WIRE 896 -64 832 -64
WIRE 976 -64 896 -64
WIRE 704 0 704 -64
WIRE -144 80 -144 -64
WIRE 368 96 368 0
WIRE 560 96 560 -64
WIRE 976 96 976 -64
WIRE 96 144 32 144
WIRE 224 144 176 144
WIRE 304 144 224 144
WIRE 704 144 704 80
WIRE 704 144 624 144
WIRE 32 192 32 144
WIRE 464 192 368 192
WIRE 560 192 464 192
WIRE 704 192 704 144
WIRE 224 208 224 144
WIRE 464 208 464 192
WIRE 832 208 832 -64
WIRE -144 320 -144 160
WIRE 32 320 32 272
WIRE 224 320 224 272
WIRE 464 320 464 288
WIRE 704 320 704 272
WIRE 832 320 832 272
WIRE 976 320 976 176
FLAG 32 320 0
FLAG 224 320 0
FLAG -144 320 0
FLAG 704 320 0
FLAG 832 320 0
FLAG 976 320 0
FLAG 464 320 0
FLAG 32 -64 36V_DC_from_power_supply
FLAG 896 -64 output_voltage
SYMBOL voltage -144 64 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 36
SYMBOL voltage 32 176 R0
WINDOW 3 22 120 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PULSE(0 3 10ns 100ns 100ns 98u 100µs)
SYMATTR InstName V2
SYMBOL cap 208 208 R0
SYMATTR InstName C1
SYMATTR Value 220nF
SYMBOL res 80 160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 22k
SYMBOL npn 304 96 R0
SYMATTR InstName Q1
SYMATTR Value BC547B
SYMBOL npn 624 96 M0
SYMATTR InstName Q2
SYMATTR Value BC547B
SYMBOL res 688 -16 R0
SYMATTR InstName R2
SYMATTR Value 100k
SYMBOL res 688 176 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL res 960 80 R0
SYMATTR InstName R4
SYMATTR Value 120
SYMBOL polcap 816 208 R0
WINDOW 3 24 56 Left 2
SYMATTR Value 470µ
SYMATTR InstName C2
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=2.5 Irms=3.94757 Rser=0.012 Lser=0 mfg="KEMET" pn="T520V477M2R5ATE012" type="Tantalum"
SYMBOL res 448 192 R0
SYMATTR InstName R5
SYMATTR Value 470
SYMBOL pnp 416 0 M270
SYMATTR InstName Q3
SYMATTR Value BC327-40
TEXT -176 344 Left 2 !.tran 100m startup