Version 4
SHEET 1 1296 756
WIRE 96 -64 -80 -64
WIRE 384 -64 96 -64
WIRE 640 -64 384 -64
WIRE 928 -64 640 -64
WIRE 384 -32 384 -64
WIRE 640 -32 640 -64
WIRE -80 16 -80 -64
WIRE 464 16 448 16
WIRE 576 16 464 16
WIRE 928 32 928 -64
WIRE 96 80 96 -64
WIRE 864 80 720 80
WIRE 384 96 384 64
WIRE 464 96 464 16
WIRE 464 96 384 96
WIRE 640 144 640 64
WIRE 720 144 720 80
WIRE 720 144 640 144
WIRE 784 144 720 144
WIRE 928 144 928 128
WIRE 928 144 848 144
WIRE -80 192 -80 96
WIRE -80 192 -160 192
WIRE 928 192 928 144
WIRE 976 192 928 192
WIRE 1088 192 976 192
WIRE 1136 192 1088 192
WIRE 384 208 384 96
WIRE 640 208 640 144
WIRE -160 224 -160 192
WIRE 304 256 272 256
WIRE 320 256 304 256
WIRE 768 256 704 256
WIRE 800 256 768 256
WIRE -80 272 -80 192
WIRE 384 336 384 304
WIRE 496 336 384 336
WIRE 560 336 496 336
WIRE 640 336 640 304
WIRE 640 336 560 336
WIRE 1088 336 1088 192
WIRE 800 352 800 256
WIRE 96 400 96 160
WIRE 192 400 96 400
WIRE 1088 432 1088 416
WIRE 1088 432 1040 432
WIRE 96 448 96 400
WIRE 496 448 496 336
WIRE 928 448 928 192
WIRE 1088 448 1088 432
WIRE 192 496 192 400
WIRE 192 496 160 496
WIRE 432 496 192 496
WIRE 864 496 432 496
WIRE 1088 560 1088 528
WIRE -80 592 -80 352
WIRE 96 592 96 544
WIRE 96 592 -80 592
WIRE 496 592 496 544
WIRE 496 592 96 592
WIRE 928 592 928 544
WIRE 928 592 496 592
WIRE 272 688 272 256
WIRE 1040 688 1040 432
WIRE 1040 688 272 688
FLAG -160 224 0
FLAG 720 144 out1
FLAG 800 432 0
FLAG 976 192 out2
FLAG 304 256 V-
FLAG 768 256 V+
FLAG 560 336 Vtail
FLAG 1136 256 0
FLAG 1088 560 0
SYMBOL npn 320 208 R0
SYMATTR InstName Q1a
SYMATTR Value 2N3904
SYMBOL npn 704 208 M0
SYMATTR InstName Q1b
SYMATTR Value 2N3904
SYMBOL voltage -80 0 R0
SYMATTR InstName V1
SYMATTR Value 6V
SYMBOL voltage -80 256 R0
SYMATTR InstName V2
SYMATTR Value 6V
SYMBOL voltage 800 336 M0
WINDOW 123 24 72 Left 2
WINDOW 39 24 44 Left 2
WINDOW 3 24 72 Left 2
SYMATTR SpiceLine Rser=0.99k
SYMATTR Value PULSE(0 1m 1n 1n)
SYMATTR InstName Vin
SYMBOL pnp 864 128 M180
SYMATTR InstName Q4
SYMATTR Value 2N3906
SYMBOL pnp 576 64 M180
SYMATTR InstName Q2b
SYMATTR Value 2N3906
SYMBOL pnp 448 64 R180
SYMATTR InstName Q2a
SYMATTR Value 2N3906
SYMBOL npn 432 448 R0
SYMATTR InstName Q3
SYMATTR Value 2N3904
SYMBOL npn 864 448 R0
SYMATTR InstName Q5
SYMATTR Value 2N3904
SYMBOL npn 160 448 M0
SYMATTR InstName Q6
SYMATTR Value 2N3904
SYMBOL res 80 64 R0
SYMATTR InstName R1
SYMATTR Value 12k
SYMBOL cap 1120 192 R0
SYMATTR InstName Cout
SYMATTR Value 2p
SYMBOL cap 848 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName Cc
SYMATTR Value 2p
SYMBOL res 1072 320 R0
SYMATTR InstName R2
SYMATTR Value 99k
SYMBOL res 1072 432 R0
SYMATTR InstName R3
SYMATTR Value 1k
TEXT 184 560 Left 2 !.tran 5u