Version 4
SHEET 1 2324 1012
WIRE 224 224 80 224
WIRE 1008 224 224 224
WIRE 1280 224 1008 224
WIRE 1008 288 1008 224
WIRE 1280 288 1280 224
WIRE 816 336 752 336
WIRE 944 336 896 336
WIRE 1392 336 1344 336
WIRE 1552 336 1472 336
WIRE 752 384 752 336
WIRE 1280 384 1248 384
WIRE 1552 384 1552 336
WIRE 1008 416 1008 384
WIRE 1120 416 1088 416
WIRE 1280 416 1200 416
WIRE 528 432 320 432
WIRE 688 432 608 432
WIRE 1120 432 1120 416
WIRE 1696 432 1616 432
WIRE 1968 432 1776 432
WIRE 320 480 320 432
WIRE 1968 480 1968 432
WIRE 80 512 80 224
WIRE 224 512 224 224
WIRE 1040 528 1008 528
WIRE 1120 528 1120 512
WIRE 1168 528 1120 528
WIRE 1248 528 1248 384
WIRE 1008 560 1008 528
WIRE 1280 560 1280 416
WIRE 752 608 752 480
WIRE 848 608 752 608
WIRE 944 608 928 608
WIRE 1552 608 1552 480
WIRE 1552 608 1424 608
WIRE 1008 704 1008 656
WIRE 1120 704 1088 704
WIRE 1200 704 1120 704
WIRE 1280 704 1280 656
WIRE 80 768 80 592
WIRE 224 768 224 576
WIRE 320 768 320 560
WIRE 1968 768 1968 560
WIRE 1120 912 1120 704
FLAG 320 768 0
FLAG 1968 768 0
FLAG 80 768 0
FLAG 224 768 0
FLAG 1120 992 0
SYMBOL pnp 944 384 M180
SYMATTR InstName Q1
SYMATTR Value BC556B
SYMBOL pnp 1344 384 R180
SYMATTR InstName Q2
SYMATTR Value BC556B
SYMBOL npn 944 560 R0
SYMATTR InstName Q3
SYMATTR Value BC546B
SYMBOL npn 1344 560 M0
SYMATTR InstName Q4
SYMATTR Value BC546B
SYMBOL npn 1616 384 M0
SYMATTR InstName Q5
SYMATTR Value BC546B
SYMBOL npn 688 384 R0
SYMATTR InstName Q6
SYMATTR Value BC546B
SYMBOL voltage 320 464 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 5 500µ 10n 10n 250µ 1m 5)
SYMBOL voltage 1968 464 M0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR InstName V2
SYMATTR Value PULSE(0 5 0 10n 10n 250µ 1m 5)
SYMBOL res 1104 416 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL res 1376 320 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 470
SYMBOL Misc\\battery 80 496 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 132 Left 2
SYMATTR SpiceLine Rser=1
SYMATTR InstName V3
SYMATTR Value 24
SYMBOL cap 208 512 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMATTR SpiceLine Rser=.1
SYMBOL res 512 416 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL res 1792 416 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 100
SYMBOL res 912 320 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 470
SYMBOL res 1104 896 R0
SYMATTR InstName R3
SYMATTR Value 0.1
SYMBOL res 992 400 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 0.1
SYMBOL res 1104 400 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 0.1
SYMBOL res 1136 512 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 0.1
SYMBOL res 1264 512 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 0.1
SYMBOL res 992 688 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 0.1
SYMBOL res 1296 688 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 0.1
SYMBOL res 1440 592 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 0.1
SYMBOL res 832 592 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 0.1
TEXT 600 736 Left 2 !.tran 0 1.4m .5m 100n