Version 4
SHEET 1 880 680
WIRE 112 -32 64 -32
WIRE 112 -16 112 -32
WIRE 64 16 64 -32
WIRE 64 128 64 96
WIRE 112 128 64 128
WIRE 64 160 64 128
WIRE -128 208 -320 208
WIRE -16 208 -48 208
WIRE 0 208 -16 208
WIRE -320 240 -320 208
WIRE -64 336 -128 336
WIRE 64 336 64 256
WIRE 64 336 16 336
WIRE 112 336 64 336
WIRE -320 352 -320 320
WIRE -128 368 -128 336
WIRE -128 480 -128 448
FLAG 112 -16 0
FLAG 112 336 e
FLAG 112 128 c
FLAG -128 336 1
FLAG -320 352 0
FLAG -128 480 0
FLAG -16 208 b
FLAG -320 208 MINUS
SYMBOL Misc\\EuropeanResistor 48 0 R0
SYMATTR InstName Rc
SYMATTR Value 1.2k
SYMBOL Misc\\EuropeanResistor -144 224 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName Rb
SYMATTR Value 12k
SYMBOL Misc\\EuropeanResistor 32 320 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName Re
SYMATTR Value 980
SYMBOL npn 0 160 R0
SYMATTR InstName Q1
SYMATTR Value BC547B
SYMBOL voltage -320 224 R0
SYMATTR InstName VM
SYMATTR Value -5
SYMBOL voltage -128 352 R0
SYMATTR InstName V1
SYMATTR Value -8
TEXT -344 8 Left 2 !.dc V1  0 -15 0.01