Version 4 SHEET 1 2104 728 WIRE 1200 -480 880 -480 WIRE 1408 -480 1200 -480 WIRE 1600 -480 1408 -480 WIRE 1648 -480 1600 -480 WIRE 1760 -480 1712 -480 WIRE 880 -432 880 -480 WIRE 1200 -432 1200 -480 WIRE 1408 -336 1408 -480 WIRE 1136 -304 928 -304 WIRE 1200 -288 1200 -352 WIRE 1200 -288 1040 -288 WIRE 1264 -288 1200 -288 WIRE 1040 -224 1040 -288 WIRE 1040 -224 1008 -224 WIRE 1072 -224 1040 -224 WIRE 656 -208 624 -208 WIRE 768 -208 736 -208 WIRE 880 -208 880 -352 WIRE 880 -208 832 -208 WIRE 928 -208 928 -304 WIRE 928 -208 880 -208 WIRE 592 -192 624 -208 WIRE 1120 -192 1104 -192 WIRE 1136 -192 1136 -304 WIRE 1136 -192 1120 -192 WIRE 1760 -192 1760 -480 WIRE 592 -176 592 -192 WIRE 928 -160 928 -208 WIRE 960 -160 928 -160 WIRE 1040 -128 1008 -128 WIRE 1072 -128 1040 -128 WIRE 1408 -128 1408 -160 WIRE 1472 -128 1408 -128 WIRE 1600 -128 1600 -416 WIRE 1600 -128 1552 -128 WIRE 1408 -112 1408 -128 WIRE 1040 -64 1040 -128 WIRE 1200 -64 1040 -64 WIRE 1344 -64 1200 -64 WIRE 592 -16 592 -96 WIRE 880 112 880 -208 WIRE 1600 128 1600 -128 WIRE 1200 192 1200 16 WIRE 1200 192 880 192 WIRE 1408 192 1408 64 WIRE 1408 192 1200 192 WIRE 1600 192 1408 192 WIRE 1648 192 1600 192 WIRE 1760 192 1760 -112 WIRE 1760 192 1712 192 WIRE 1408 224 1408 192 FLAG 592 -16 0 FLAG 592 -192 IN FLAG 1408 224 0 SYMBOL pnp 1344 -336 R0 SYMATTR InstName Q1 SYMATTR Value BCW68G SYMBOL pnp 1344 -112 R0 SYMATTR InstName Q2 SYMATTR Value BCW68G SYMBOL res 1392 -256 R0 SYMATTR InstName R1 SYMATTR Value 0.2 SYMBOL res 1392 -32 R0 SYMATTR InstName R2 SYMATTR Value 0.2 SYMBOL polcap 1584 -480 R0 WINDOW 3 24 64 Left 0 SYMATTR Value 2200µ SYMATTR InstName C1 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=50 Irms=2.41 Rser=0.026 Lser=0 SYMBOL polcap 1584 128 R0 WINDOW 3 24 64 Left 0 SYMATTR Value 2200µ SYMATTR InstName C2 SYMATTR Description Capacitor SYMATTR Type cap SYMATTR SpiceLine V=50 Irms=2.41 Rser=0.026 Lser=0 SYMBOL res 1568 -144 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R3 SYMATTR Value 8 SYMBOL VOLTAGE 1760 -208 R0 WINDOW 123 0 0 Left 0 WINDOW 39 24 132 Left 0 SYMATTR InstName V1 SYMATTR Value 40 SYMBOL res 1360 -304 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R4 SYMATTR Value 1k SYMBOL njf 960 -224 R0 SYMATTR InstName J1 SYMATTR Value J201 SYMBOL njf 1120 -128 R180 SYMATTR InstName J2 SYMATTR Value J201 SYMBOL res 896 -336 R180 WINDOW 0 36 76 Left 0 WINDOW 3 36 40 Left 0 SYMATTR InstName R6 SYMATTR Value 160k SYMBOL res 864 96 R0 SYMATTR InstName R8 SYMATTR Value 220k SYMBOL voltage 592 -192 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value SINE(0 7 1K) SYMBOL res 752 -224 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R9 SYMATTR Value 100k SYMBOL cap 832 -224 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C3 SYMATTR Value 68n SYMBOL schottky 1712 -496 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D1 SYMATTR Value 1N5818 SYMATTR Description Diode SYMATTR Type diode SYMBOL schottky 1648 208 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D2 SYMATTR Value 1N5818 SYMATTR Description Diode SYMATTR Type diode SYMBOL res 1184 -448 R0 SYMATTR InstName R5 SYMATTR Value 1k8 SYMBOL res 1184 -80 R0 SYMATTR InstName R7 SYMATTR Value 3k3 TEXT 576 80 Left 0 !.tran 0.01