Version 4
SHEET 1 880 680
WIRE 96 -128 -16 -128
WIRE 208 -128 96 -128
WIRE 320 -128 208 -128
WIRE 448 -128 320 -128
WIRE 320 -112 320 -128
WIRE 448 -112 448 -128
WIRE 320 16 320 -32
WIRE 320 16 -144 16
WIRE -144 64 -144 16
WIRE 96 96 96 -48
WIRE 144 96 96 96
WIRE 208 96 208 -48
WIRE 320 96 320 16
WIRE -16 128 -16 -128
WIRE 208 144 208 96
WIRE 256 144 208 144
WIRE 96 160 96 96
WIRE -96 208 -144 208
WIRE -80 208 -96 208
WIRE 0 208 -16 208
WIRE 32 208 0 208
WIRE -96 304 -96 208
WIRE 96 304 96 256
WIRE 208 304 208 144
WIRE 320 304 320 192
WIRE -144 320 -144 208
FLAG -96 384 0
FLAG 96 384 0
FLAG 320 384 0
FLAG 208 384 0
FLAG 448 -32 0
FLAG -144 384 0
FLAG 0 288 0
SYMBOL npn 32 160 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL npn 256 96 R0
SYMATTR InstName Q2
SYMATTR Value 2N2222
SYMBOL res 80 288 R0
SYMATTR InstName R1
SYMATTR Value 2500
SYMBOL res 304 288 R0
SYMATTR InstName R2
SYMATTR Value 2.2k
SYMBOL res 80 -144 R0
SYMATTR InstName R3
SYMATTR Value 11k
SYMBOL res 192 -144 R0
SYMATTR InstName R4
SYMATTR Value 56000
SYMBOL res 304 -128 R0
SYMATTR InstName R5
SYMATTR Value 2800
SYMBOL res -112 288 R0
SYMATTR InstName R6
SYMATTR Value 16000
SYMBOL res 192 288 R0
SYMATTR InstName R7
SYMATTR Value 15k
SYMBOL cap -128 384 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C1
SYMATTR Value 39n
SYMBOL cap 208 80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 2.2µ
SYMBOL voltage 448 -128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL res -128 224 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R10
SYMATTR Value 16000
SYMBOL cap -160 64 R0
SYMATTR InstName C3
SYMATTR Value 39n
SYMBOL res -32 112 R0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL cap -16 192 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 10n
SYMBOL res -16 192 R0
SYMATTR InstName R9
SYMATTR Value 2200R
TEXT -222 408 Left 2 !.tran 100m