Version 4
SHEET 1 880 820
WIRE 560 -160 16 -160
WIRE 640 -160 560 -160
WIRE -112 -48 -304 -48
WIRE 16 -48 16 -160
WIRE 16 -48 -32 -48
WIRE 64 -48 16 -48
WIRE 288 -48 144 -48
WIRE 640 -32 640 -160
WIRE -304 48 -304 -48
WIRE -32 48 -304 48
WIRE 288 48 288 -48
WIRE 288 48 48 48
WIRE 640 128 640 48
WIRE -304 176 -304 48
WIRE -32 176 -304 176
WIRE 288 176 288 48
WIRE 288 176 32 176
WIRE -304 304 -304 176
WIRE -240 304 -304 304
WIRE -128 304 -176 304
WIRE -32 304 -128 304
WIRE 96 304 32 304
WIRE 160 304 96 304
WIRE 288 304 288 176
WIRE 288 304 224 304
WIRE -128 368 -128 304
WIRE 192 368 -128 368
WIRE 96 400 96 304
WIRE 96 400 -192 400
WIRE -304 432 -304 304
WIRE 288 432 288 304
WIRE -192 480 -192 400
WIRE -192 480 -240 480
WIRE -144 480 -192 480
WIRE -16 480 -64 480
WIRE 64 480 -16 480
WIRE 192 480 192 368
WIRE 192 480 144 480
WIRE 224 480 192 480
WIRE -16 576 -16 480
WIRE 560 576 560 -160
WIRE 560 576 -16 576
WIRE -304 608 -304 528
WIRE -16 608 -304 608
WIRE 288 608 288 528
WIRE 288 608 -16 608
WIRE -16 672 -16 608
WIRE -16 800 -16 752
WIRE 0 0 0 0
FLAG -16 800 0
FLAG 640 128 0
SYMBOL ind -128 -32 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 25n
SYMBOL ind 48 -32 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 25n
SYMBOL res 64 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 5k
SYMBOL cap 32 160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 24p
SYMBOL cap 32 288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 42 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 1.7p
SYMBOL cap 224 288 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 1.9p
SYMBOL cap -240 288 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 1.9p
SYMBOL npn 224 432 R0
SYMATTR InstName Q1
SYMATTR Value BC547B
SYMBOL npn -240 432 M0
SYMATTR InstName Q2
SYMATTR Value BC547B
SYMBOL res -48 464 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL res 160 464 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 1k
SYMBOL current -16 672 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value 100µ
SYMBOL voltage 640 -48 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 1.5
TEXT -56 -272 Left 2 !.tran 0 1 0 0.1 uic