Version 4
SHEET 1 880 680
WIRE 64 -80 32 -80
WIRE 464 -80 144 -80
WIRE 320 -48 224 -48
WIRE 592 -48 320 -48
WIRE 320 -32 320 -48
WIRE 592 -32 592 -48
WIRE 224 -16 224 -48
WIRE 320 64 320 48
WIRE 464 64 464 -80
WIRE 464 64 320 64
WIRE 480 64 464 64
WIRE 320 80 320 64
WIRE 592 112 592 48
WIRE 32 128 32 -80
WIRE 64 128 32 128
WIRE 160 128 128 128
WIRE 224 128 224 64
WIRE 224 128 160 128
WIRE 256 128 224 128
WIRE 464 128 464 64
WIRE 320 192 320 176
WIRE 400 192 320 192
WIRE 32 208 32 128
WIRE 160 208 160 128
WIRE 320 208 320 192
WIRE 400 224 400 192
WIRE 32 304 32 272
WIRE 160 304 160 272
WIRE 320 304 320 288
WIRE 400 304 400 288
WIRE 464 304 464 192
WIRE 592 304 592 192
FLAG 320 304 0
FLAG 464 304 0
FLAG 160 304 0
FLAG 32 304 0
FLAG 592 304 0
FLAG 400 304 0
FLAG 480 64 Output
SYMBOL cap 16 208 R0
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL cap 144 208 R0
SYMATTR InstName C2
SYMATTR Value 3p
SYMBOL cap 128 112 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C3
SYMATTR Value 3p
SYMBOL cap 480 192 R180
WINDOW 0 24 64 Left 0
WINDOW 3 24 8 Left 0
SYMATTR InstName C4
SYMATTR Value 100p
SYMBOL npn 256 80 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL res 208 -32 R0
SYMATTR InstName R2
SYMATTR Value 3k
SYMBOL ind 304 -48 R0
SYMATTR InstName L1
SYMATTR Value 1µ
SYMBOL ind 48 -64 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L2
SYMATTR Value 68n
SYMBOL voltage 592 96 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res 576 -48 R0
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL res 304 192 R0
SYMATTR InstName R3
SYMATTR Value 100
SYMBOL cap 384 224 R0
SYMATTR InstName C5
SYMATTR Value 100n
TEXT 16 328 Left 0 !.tran 0 100u 99u 100p