Version 4 SHEET 1 1960 1000 WIRE 480 -208 416 -208 WIRE 528 -208 528 -224 WIRE 528 -208 480 -208 WIRE 560 -208 528 -208 WIRE 416 -112 416 -208 WIRE 480 -80 480 -128 WIRE 560 -80 560 -144 WIRE 560 -80 480 -80 WIRE 208 0 16 0 WIRE 352 0 208 0 WIRE 576 0 352 0 WIRE 928 0 576 0 WIRE 1104 0 928 0 WIRE 1344 0 1104 0 WIRE 16 32 16 0 WIRE 208 32 208 0 WIRE 352 32 352 0 WIRE 1104 48 1104 0 WIRE 576 96 576 80 WIRE 928 96 928 80 WIRE 1040 96 928 96 WIRE 1344 96 1344 0 WIRE 208 128 208 112 WIRE 272 128 208 128 WIRE 352 128 352 112 WIRE 352 128 336 128 WIRE 928 128 928 96 WIRE 208 144 208 128 WIRE 352 144 352 128 WIRE 416 144 416 -48 WIRE 416 144 352 144 WIRE 512 144 416 144 WIRE 1280 144 1248 144 WIRE 864 176 736 176 WIRE 272 192 272 128 WIRE 288 192 272 192 WIRE 736 192 736 176 WIRE 736 192 640 192 WIRE 1360 192 1344 192 WIRE 736 208 736 192 WIRE 1344 208 1344 192 WIRE 576 224 576 192 WIRE 640 224 640 192 WIRE 640 224 576 224 WIRE 1104 224 1104 144 WIRE 1104 224 928 224 WIRE 1168 224 1168 144 WIRE 1168 224 1104 224 WIRE 1472 224 1472 128 WIRE 1536 224 1472 224 WIRE 1680 224 1616 224 WIRE 208 240 208 208 WIRE 352 256 352 240 WIRE 480 256 480 -80 WIRE 480 256 352 256 WIRE 1104 256 1104 224 WIRE 576 288 576 224 WIRE 640 288 640 224 WIRE 736 288 736 272 WIRE 1344 336 1344 288 WIRE 1344 336 1104 336 WIRE 1472 336 1472 224 WIRE 1472 336 1344 336 WIRE 1536 336 1472 336 WIRE 1680 336 1680 224 WIRE 1680 336 1616 336 WIRE 1792 336 1680 336 WIRE 16 352 16 112 WIRE 208 352 208 304 WIRE 208 352 96 352 WIRE 1104 352 1104 336 WIRE 1472 352 1472 336 WIRE 208 368 208 352 WIRE 736 368 736 352 WIRE 1344 384 1344 336 WIRE 480 416 352 416 WIRE 576 416 576 352 WIRE 640 416 640 368 WIRE 640 416 576 416 WIRE 352 432 352 416 WIRE 736 448 736 432 WIRE 1472 448 1472 432 WIRE 1792 448 1792 336 WIRE 208 464 208 432 WIRE 1104 464 1104 432 WIRE 1104 464 928 464 WIRE 1168 464 1104 464 WIRE 288 480 272 480 WIRE 576 480 576 416 WIRE 1344 480 1344 464 WIRE 1360 480 1344 480 WIRE 640 512 640 416 WIRE 736 512 640 512 WIRE 864 512 736 512 WIRE 416 528 352 528 WIRE 512 528 416 528 WIRE 1168 528 1168 464 WIRE 1280 528 1248 528 WIRE 1472 528 1472 512 WIRE 208 544 208 528 WIRE 272 544 272 480 WIRE 272 544 208 544 WIRE 352 544 352 528 WIRE 352 544 336 544 WIRE 1104 544 1104 464 WIRE 16 560 16 352 WIRE 208 560 208 544 WIRE 352 560 352 544 WIRE 928 592 928 560 WIRE 1040 592 928 592 WIRE 576 608 576 576 WIRE 928 608 928 592 WIRE 16 688 16 640 WIRE 208 688 208 640 WIRE 208 688 16 688 WIRE 352 688 352 640 WIRE 352 688 208 688 WIRE 576 688 352 688 WIRE 928 688 576 688 WIRE 1104 688 1104 640 WIRE 1104 688 928 688 WIRE 1344 688 1344 576 WIRE 1344 688 1104 688 WIRE 416 736 416 528 WIRE 480 752 480 416 WIRE 560 752 480 752 WIRE 560 800 560 752 WIRE 480 816 480 752 WIRE 416 880 416 800 WIRE 480 880 416 880 WIRE 512 880 480 880 WIRE 560 880 512 880 WIRE 512 896 512 880 FLAG 16 352 0 FLAG 352 336 0 FLAG 1472 128 Rk FLAG 528 -224 Rk FLAG 512 896 Rk FLAG 1472 528 0 FLAG 128 -160 0 FLAG 1680 512 0 FLAG 1792 512 0 FLAG 1680 224 out SYMBOL res 192 16 R0 SYMATTR InstName R1 SYMATTR Value 8k2 SYMBOL res 192 544 R0 SYMATTR InstName R2 SYMATTR Value 8k2 SYMBOL diode 192 144 R0 SYMATTR InstName D1 SYMATTR Value 1N4148 SYMBOL diode 192 240 R0 SYMATTR InstName D2 SYMATTR Value 1N4148 SYMBOL diode 192 368 R0 SYMATTR InstName D3 SYMATTR Value 1N4148 SYMBOL diode 192 464 R0 SYMATTR InstName D4 SYMATTR Value 1N4148 SYMBOL voltage 16 16 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 124 Left 2 SYMATTR InstName V1 SYMATTR Value 30 SYMBOL voltage 16 544 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 124 Left 2 SYMATTR InstName V2 SYMATTR Value 30 SYMBOL res 336 16 R0 SYMATTR InstName R3 SYMATTR Value 470 SYMBOL res 368 656 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R4 SYMATTR Value 470 SYMBOL npn 288 144 R0 SYMATTR InstName Q1 SYMATTR Value 2N5550 SYMBOL pnp 288 528 M180 SYMATTR InstName Q2 SYMATTR Value 2N5401 SYMBOL voltage 112 352 R90 WINDOW 123 24 124 Left 2 WINDOW 39 24 152 Left 2 SYMATTR Value2 AC 1 SYMATTR SpiceLine Rser=50 SYMATTR InstName V3 SYMATTR Value SINE(0 1.7 {f}) SYMBOL npn 512 480 R0 SYMATTR InstName Q3 SYMATTR Value 2N5550 SYMBOL pnp 512 192 M180 SYMATTR InstName Q4 SYMATTR Value 2N5401 SYMBOL res 336 240 R0 SYMATTR InstName R5 SYMATTR Value 270 SYMBOL res 368 432 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R6 SYMATTR Value 270 SYMBOL res 624 272 R0 SYMATTR InstName R7 SYMATTR Value 3k3 SYMBOL polcap 560 288 R0 WINDOW 3 24 56 Left 2 SYMATTR Value 10µ SYMATTR InstName C1 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=50 Irms=210m Rser=0.45 Lser=0 SYMBOL diode 720 288 R0 SYMATTR InstName D6 SYMATTR Value 1N4148 SYMBOL diode 720 208 R0 SYMATTR InstName D7 SYMATTR Value 1N4148 SYMBOL pnp 1040 144 M180 SYMATTR InstName Q5 SYMATTR Value BD240C SYMBOL npn 1040 544 R0 SYMATTR InstName Q6 SYMATTR Value BD239C SYMBOL res 1120 352 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R8 SYMATTR Value 150 SYMBOL res 1120 448 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R9 SYMATTR Value 150 SYMBOL pnp 1280 576 M180 SYMATTR InstName Q7 SYMATTR Value TIP42C SYMBOL npn 1280 96 R0 SYMATTR InstName Q8 SYMATTR Value TIP41C SYMBOL res 1264 128 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R12 SYMATTR Value 3.3 SYMBOL res 1264 512 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R13 SYMATTR Value 3.3 SYMBOL res 1328 192 R0 SYMATTR InstName R14 SYMATTR Value .1 SYMBOL res 1360 480 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R15 SYMATTR Value .1 SYMBOL res 560 -16 R0 SYMATTR InstName R16 SYMATTR Value 68 SYMBOL res 560 592 R0 SYMATTR InstName R17 SYMATTR Value 68 SYMBOL res 464 -224 R0 SYMATTR InstName R18 SYMATTR Value 3k3 SYMBOL cap 544 -208 R0 SYMATTR InstName C2 SYMATTR Value 100p SYMBOL res 576 896 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R19 SYMATTR Value 3k3 SYMBOL cap 496 880 R180 WINDOW 0 24 56 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C3 SYMATTR Value 100p SYMBOL cap 400 -112 R0 SYMATTR InstName C4 SYMATTR Value 100p SYMBOL cap 400 736 R0 SYMATTR InstName C5 SYMATTR Value 100p SYMBOL res 1456 336 R0 SYMATTR InstName R20 SYMATTR Value 4.7 SYMBOL cap 1456 448 R0 SYMATTR InstName C6 SYMATTR Value 100n SYMBOL cap 336 112 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C13 SYMATTR Value 47p SYMBOL cap 336 528 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C14 SYMATTR Value 47p SYMBOL voltage 224 -160 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V4 SYMATTR Value PULSE(-1 1 1m 20µ 20µ 1m 2m) SYMBOL res 1664 416 R0 SYMATTR InstName R21 SYMATTR Value 2 SYMBOL diode 720 368 R0 SYMATTR InstName D8 SYMATTR Value 1N4148 SYMBOL cap 1776 448 R0 SYMATTR InstName C7 SYMATTR Value 100n SYMATTR SpiceLine V=16 Irms=0 Rser=0.007 Lser=0 SYMBOL pnp 864 560 M180 SYMATTR InstName Q9 SYMATTR Value 2N5401 SYMBOL npn 864 128 R0 SYMATTR InstName Q10 SYMATTR Value 2N5550 SYMBOL res 944 96 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R10 SYMATTR Value 100 SYMBOL res 944 704 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R11 SYMATTR Value 100 SYMBOL ind 1520 352 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 2.5µ SYMATTR SpiceLine Rser=2m Cpar=1p SYMBOL res 1632 208 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R22 SYMATTR Value 4.7 SYMBOL diode 720 448 R0 SYMATTR InstName D5 SYMATTR Value 1N4148 TEXT 720 -120 Left 2 !.tran 0 10m 0 100n TEXT 720 -96 Left 2 !;ac oct 10e3 1 10e9 TEXT 720 -168 Left 2 !.four {f} V(out) TEXT 720 -144 Left 2 !.option plotwinsize=0 TEXT 720 -192 Left 2 !.opt numdgt=7 TEXT 720 -216 Left 2 !.param f = 1k