Version 4
SHEET 1 1376 740
WIRE -64 -112 -208 -112
WIRE 320 -112 -64 -112
WIRE 560 -112 320 -112
WIRE 816 -112 560 -112
WIRE -64 -96 -64 -112
WIRE -208 -64 -208 -112
WIRE -64 16 -64 -16
WIRE 320 16 320 -112
WIRE 320 16 176 16
WIRE -128 64 -208 64
WIRE 320 64 320 16
WIRE 816 96 816 -112
WIRE 48 112 -64 112
WIRE 176 112 176 80
WIRE 176 112 128 112
WIRE 256 112 176 112
WIRE 560 112 560 -112
WIRE 496 160 320 160
WIRE 816 192 816 176
WIRE 912 192 816 192
WIRE 816 208 816 192
WIRE 320 224 320 160
WIRE 368 224 320 224
WIRE 560 224 560 208
WIRE 560 224 448 224
WIRE 560 288 560 224
WIRE 688 288 560 288
WIRE -240 320 -400 320
WIRE -64 320 -64 304
WIRE -64 320 -240 320
WIRE 368 368 320 368
WIRE 560 368 560 288
WIRE 560 368 448 368
WIRE 320 416 320 368
WIRE 496 416 320 416
WIRE 688 448 688 288
WIRE 880 448 688 448
WIRE 1008 448 960 448
WIRE -64 464 -64 320
WIRE 48 464 -64 464
WIRE 208 464 128 464
WIRE 256 464 208 464
WIRE 208 496 208 464
WIRE -128 512 -224 512
WIRE 320 560 320 512
WIRE 320 560 208 560
WIRE 560 560 560 464
WIRE 560 560 320 560
WIRE -64 608 -64 560
WIRE -224 704 -224 640
WIRE -64 704 -64 688
WIRE -64 704 -224 704
WIRE 560 704 560 560
WIRE 560 704 -64 704
WIRE 816 704 816 288
WIRE 816 704 560 704
FLAG -224 432 0
FLAG -208 144 0
FLAG 912 192 0
FLAG -240 320 in
FLAG -400 400 0
FLAG 1008 448 0
SYMBOL npn 256 64 R0
SYMATTR InstName Q1
SYMBOL npn -128 464 R0
SYMATTR InstName Q2
SYMBOL npn 496 112 R0
SYMATTR InstName Q3
SYMBOL pnp -128 112 M180
SYMATTR InstName Q4
SYMBOL pnp 256 512 M180
SYMATTR InstName Q5
SYMBOL pnp 496 464 M180
SYMATTR InstName Q6
SYMBOL U_AC -400 304 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value SINE(0 .7 1000)
SYMBOL diode -80 240 R0
SYMATTR InstName D1
SYMBOL diode -80 176 R0
SYMATTR InstName D2
SYMBOL diode -80 112 R0
SYMATTR InstName D3
SYMBOL res 32 480 R270
WINDOW 0 28 56 VTop 0
WINDOW 3 4 56 VBottom 0
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL res 32 128 R270
WINDOW 0 28 56 VTop 0
WINDOW 3 4 56 VBottom 0
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL res -80 592 R0
SYMATTR InstName R3
SYMATTR Value 68
SYMBOL res -240 416 R0
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res -192 160 R180
WINDOW 0 36 72 Left 0
WINDOW 3 36 40 Left 0
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL res -80 -112 R0
SYMATTR InstName R6
SYMATTR Value 68
SYMBOL diode -224 0 R0
SYMATTR InstName D4
SYMBOL diode -224 -64 R0
SYMATTR InstName D5
SYMBOL diode -240 512 R0
SYMATTR InstName D6
SYMBOL diode -240 576 R0
SYMATTR InstName D7
SYMBOL res 352 240 R270
WINDOW 0 28 56 VTop 0
WINDOW 3 4 56 VBottom 0
SYMATTR InstName R7
SYMATTR Value 13
SYMBOL res 352 384 R270
WINDOW 0 28 56 VTop 0
WINDOW 3 4 56 VBottom 0
SYMATTR InstName R8
SYMATTR Value 13
SYMBOL U_DC 816 80 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value +29
SYMBOL U_DC 816 304 R180
WINDOW 0 24 96 Left 0
WINDOW 3 24 16 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value +29
SYMBOL cap 160 16 R0
SYMATTR InstName C1
SYMATTR Value 470p
SYMBOL cap 192 496 R0
SYMATTR InstName C2
SYMATTR Value 470p
SYMBOL res 864 464 R270
WINDOW 0 28 56 VTop 0
WINDOW 3 4 56 VBottom 0
SYMATTR InstName R9
SYMATTR Value 5
TEXT -454 714 Left 0 !.tran 10m