Version 4
SHEET 1 880 680
WIRE 576 -272 256 -272
WIRE 256 -96 256 -272
WIRE 576 -64 576 -272
WIRE -32 -48 -224 -48
WIRE 192 -48 48 -48
WIRE 256 32 256 0
WIRE 256 32 160 32
WIRE -224 48 -224 -48
WIRE 160 64 160 32
WIRE 256 64 256 32
WIRE -224 224 -224 128
WIRE 160 224 160 128
WIRE 160 224 -224 224
WIRE 256 224 256 144
WIRE 256 224 160 224
WIRE 576 224 576 16
WIRE 576 224 256 224
WIRE 256 288 256 224
FLAG 256 288 0
DATAFLAG -224 -48 ""
DATAFLAG -224 -48 ""
DATAFLAG 144 -48 ""
DATAFLAG 256 32 ""
DATAFLAG 256 32 ""
DATAFLAG 576 -272 ""
SYMBOL npn2 192 -96 R0
SYMATTR InstName Q1
SYMATTR Value BC847C
SYMBOL voltage 576 -80 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 3V
SYMBOL voltage -224 32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR InstName V2
SYMATTR Value 1.6V
SYMATTR SpiceLine Rser=150k
SYMBOL res 64 -64 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL cap 144 64 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C575OX5ROJI07M" type="X5R"
SYMBOL res 240 48 R0
SYMATTR InstName RLast
SYMATTR Value 1k
TEXT -258 312 Left 2 !.tran 100s