Version 4
SHEET 1 980 680
WIRE 448 0 256 0
WIRE 256 32 256 0
WIRE 448 32 448 0
WIRE 320 112 256 112
WIRE 256 128 256 112
WIRE 448 160 448 112
WIRE 80 176 -48 176
WIRE 192 176 160 176
WIRE 256 256 256 224
FLAG 448 160 0
FLAG -48 256 0
FLAG 256 256 0
FLAG 320 112 out
SYMBOL voltage 448 16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 132 Left 0
SYMATTR SpiceLine Rser=0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL voltage -48 160 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(0 10 0 1n 1n 20u 40u 10)
SYMBOL res 240 16 R0
SYMATTR InstName R1
SYMATTR Value 2.2k
SYMBOL res 176 160 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL npn 192 128 R0
SYMATTR InstName Q1
SYMATTR Value 2SC4523
TEXT -296 304 Left 0 !;dc V2 0 -10
TEXT -120 352 Left 0 !*Low Noise Amp PC=1W Ic=8A Vcbo=60V \n.model 2SC4523 NPN(Bf=100 br=5 rb 5 Rc=1 Cjc=65p Cje=100p Tr=0.40u Tf=0.1u)\n* SANYO Pulse Use
TEXT -264 200 Left 0 !.tran 0 100u 0