Version 4 SHEET 1 996 712 WIRE 128 -208 16 -208 WIRE 384 -208 128 -208 WIRE 576 -208 384 -208 WIRE 16 -192 16 -208 WIRE 576 -160 576 -208 WIRE 128 -144 128 -208 WIRE 16 -96 16 -112 WIRE 64 -96 16 -96 WIRE 384 -64 384 -208 WIRE 576 -32 576 -80 WIRE 128 -16 128 -48 WIRE 208 -16 128 -16 WIRE 320 -16 208 -16 WIRE 208 32 208 -16 WIRE 16 48 16 -96 WIRE 384 64 384 32 WIRE 384 64 272 64 WIRE -288 96 -304 96 WIRE -256 96 -288 96 WIRE -160 96 -176 96 WIRE -144 96 -160 96 WIRE -48 96 -64 96 WIRE 384 96 384 64 WIRE -160 112 -160 96 WIRE -288 160 -288 96 WIRE -160 192 -160 176 WIRE 16 192 16 144 WIRE 208 192 208 96 WIRE 208 192 16 192 WIRE 384 192 384 176 WIRE 384 192 208 192 WIRE 448 192 384 192 WIRE 496 192 496 160 WIRE 496 192 448 192 WIRE 576 192 576 160 WIRE 608 192 576 192 WIRE 704 192 672 192 WIRE 752 192 704 192 WIRE 800 192 752 192 WIRE 384 208 384 192 WIRE 752 224 752 192 WIRE 496 240 496 192 WIRE 576 240 576 192 WIRE 128 256 128 -16 WIRE 704 256 704 192 WIRE -288 272 -288 240 WIRE 272 272 272 64 WIRE 384 320 384 288 WIRE 384 320 336 320 WIRE 704 336 704 320 WIRE 704 336 576 336 WIRE 752 336 752 304 WIRE 752 336 704 336 WIRE 384 352 384 320 WIRE 704 368 704 336 WIRE -288 384 -288 352 WIRE 272 400 272 368 WIRE 320 400 272 400 WIRE 448 416 448 192 WIRE 272 432 272 400 WIRE 576 480 576 336 WIRE 128 528 128 336 WIRE 272 528 272 512 WIRE 272 528 128 528 WIRE 448 528 448 480 WIRE 448 528 272 528 WIRE 272 544 272 528 WIRE 272 656 272 624 WIRE 384 656 384 448 WIRE 384 656 272 656 WIRE 576 656 576 560 WIRE 576 656 384 656 FLAG 800 192 Out IOPIN 800 192 Out FLAG -288 384 0 FLAG -304 96 In FLAG 704 368 0 FLAG 576 -32 0 FLAG -160 192 0 SYMBOL res -160 80 R90 WINDOW 0 -40 65 VBottom 0 WINDOW 3 -35 60 VTop 0 SYMATTR InstName R0 SYMATTR Value 100 SYMBOL res 736 208 R0 WINDOW 0 36 48 Left 0 WINDOW 3 41 77 Left 0 SYMATTR InstName R12 SYMATTR Value 27 SYMBOL res 256 528 R0 WINDOW 0 33 50 Left 0 SYMATTR InstName R8 SYMATTR Value 400 SYMBOL voltage 576 464 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V3 SYMATTR Value 3 SYMBOL voltage 576 -176 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 3 SYMBOL voltage -288 144 R0 WINDOW 123 40 60 Left 0 WINDOW 39 0 0 Left 0 WINDOW 3 3 107 Left 0 WINDOW 0 35 26 Left 0 SYMATTR Value2 AC 1 SYMATTR Value SINE(0 300m 2K) SYMATTR InstName V1 SYMBOL res 32 -208 M0 SYMATTR InstName R1 SYMATTR Value 1K SYMBOL pnp 64 -48 M180 WINDOW 0 80 78 Left 0 WINDOW 3 29 47 Left 0 SYMATTR InstName Q2 SYMATTR Value 2N3906 SYMBOL res 112 240 R0 WINDOW 0 36 47 Left 0 SYMATTR InstName R2 SYMATTR Value 2K SYMBOL npn -48 48 R0 WINDOW 0 87 23 Left 0 WINDOW 3 34 55 Left 0 SYMATTR InstName Q1 SYMATTR Value 2N5089 SYMBOL npn 320 -64 R0 WINDOW 0 96 14 Left 0 WINDOW 3 27 49 Left 0 SYMATTR InstName Q3 SYMATTR Value 2N2219A SYMBOL res 256 416 R0 WINDOW 0 39 45 Left 0 SYMATTR InstName R7 SYMATTR Value 300 SYMBOL cap 720 256 M0 WINDOW 3 42 35 Left 0 SYMATTR Value 1n SYMATTR InstName C12 SYMBOL res 592 256 M270 WINDOW 0 -35 85 VTop 0 WINDOW 3 -5 29 VBottom 0 SYMATTR InstName R11 SYMATTR Value 50 SYMBOL ind 592 176 M270 WINDOW 0 37 54 VTop 0 WINDOW 3 3 55 VBottom 0 SYMATTR InstName L1 SYMATTR Value 5µ SYMBOL cap 608 208 R270 WINDOW 0 63 36 VTop 0 WINDOW 3 65 41 VBottom 0 SYMATTR InstName C3 SYMATTR Value 2000µ SYMBOL res 368 192 R0 WINDOW 0 -27 49 Left 0 WINDOW 3 34 52 Left 0 SYMATTR InstName R4 SYMATTR Value 10 SYMBOL res 368 80 R0 WINDOW 0 -29 49 Left 0 WINDOW 3 36 50 Left 0 SYMATTR InstName R3 SYMATTR Value 10 SYMBOL pnp 320 448 M180 WINDOW 0 83 80 Left 0 WINDOW 3 30 45 Left 0 SYMATTR InstName Q4 SYMATTR Value 2N2907 SYMBOL pnp 336 368 R180 WINDOW 0 77 78 Left 0 WINDOW 3 25 42 Left 0 SYMATTR InstName Q5 SYMATTR Value 2N5087 SYMBOL cap 432 416 R0 SYMATTR InstName C4 SYMATTR Value 220µ SYMBOL voltage -288 256 R0 WINDOW 123 40 60 Left 0 WINDOW 39 0 0 Left 0 WINDOW 3 2 104 Left 0 WINDOW 0 35 26 Left 0 SYMATTR Value2 AC 0 SYMATTR Value SINE(0 50m 20K) SYMATTR InstName V4 SYMBOL cap 192 32 R0 SYMATTR InstName C1 SYMATTR Value 1n SYMBOL res -48 80 R90 WINDOW 0 -40 65 VBottom 0 WINDOW 3 -35 60 VTop 0 SYMATTR InstName R5 SYMATTR Value 100 SYMBOL cap -176 112 R0 SYMATTR InstName C2 SYMATTR Value 100p TEXT -208 424 Left 0 ;.op TEXT -216 464 Left 0 ;.ac dec 30 1 1000Meg TEXT -216 488 Left 0 !.tran 0 5m 0 100n TEXT -56 -8 Left 0 ;600 uA TEXT 408 96 Left 0 ;33 mA TEXT 40 344 Left 0 ;1.2 mA TEXT 192 592 Left 0 ;2.2 mA TEXT 296 48 Left 0 ;1 mA TEXT -208 544 Left 0 !.option plotwinsize=0