Version 4 SHEET 1 20904 1220 WIRE 5696 -5488 5568 -5488 WIRE 6192 -5488 5696 -5488 WIRE 5344 -5456 5056 -5456 WIRE 5472 -5456 5344 -5456 WIRE 5472 -5360 5472 -5456 WIRE 4976 -5328 4944 -5328 WIRE 5056 -5328 5056 -5456 WIRE 5088 -5328 5056 -5328 WIRE 5696 -5328 5696 -5488 WIRE 6000 -5328 5888 -5328 WIRE 6272 -5328 6000 -5328 WIRE 5344 -5312 5152 -5312 WIRE 4896 -5296 4816 -5296 WIRE 5008 -5296 4896 -5296 WIRE 5040 -5296 5008 -5296 WIRE 5088 -5296 5040 -5296 WIRE 5120 -5264 5120 -5280 WIRE 5472 -5232 5472 -5280 WIRE 6192 -5232 6192 -5408 WIRE 5888 -5216 5888 -5328 WIRE 5168 -5168 4992 -5168 WIRE 5280 -5168 5248 -5168 WIRE 5472 -5168 5344 -5168 WIRE 5696 -5168 5696 -5248 WIRE 5696 -5168 5472 -5168 WIRE 5824 -5168 5696 -5168 WIRE 6000 -5168 6000 -5328 WIRE 4992 -5136 4992 -5168 WIRE 5232 -5136 4992 -5136 WIRE 6272 -5136 6272 -5248 WIRE 6272 -5136 6192 -5136 WIRE 5344 -5120 5344 -5168 WIRE 5904 -5120 5888 -5120 WIRE 5936 -5120 5904 -5120 WIRE 6272 -5104 6272 -5136 WIRE 6352 -5104 6272 -5104 WIRE 6464 -5104 6352 -5104 WIRE 4992 -5088 4992 -5136 WIRE 5104 -5088 4992 -5088 WIRE 5232 -5072 5168 -5072 WIRE 6128 -5072 6064 -5072 WIRE 6208 -5072 6128 -5072 WIRE 6272 -5072 6272 -5104 WIRE 6272 -5072 6208 -5072 WIRE 6352 -5072 6352 -5104 WIRE 4992 -5056 4992 -5088 WIRE 5104 -5056 5040 -5056 WIRE 6208 -5056 6208 -5072 WIRE 5904 -5040 5840 -5040 WIRE 6000 -5040 6000 -5072 WIRE 6000 -5040 5904 -5040 WIRE 5136 -4992 5136 -5040 WIRE 5232 -4992 5232 -5072 WIRE 5344 -4992 5344 -5056 WIRE 5344 -4992 5232 -4992 WIRE 6064 -4992 6064 -5008 WIRE 6128 -4992 6128 -5008 WIRE 6128 -4992 6064 -4992 WIRE 6208 -4992 6128 -4992 WIRE 6272 -4992 6208 -4992 WIRE 6464 -4992 6464 -5024 WIRE 6272 -4960 6272 -4992 WIRE 6272 -4960 6000 -4960 WIRE 4992 -4944 4992 -4976 WIRE 5840 -4944 5840 -5040 WIRE 5840 -4944 4992 -4944 WIRE 6000 -4944 6000 -4960 WIRE 4816 -4928 4816 -5296 WIRE 6352 -4928 6352 -4992 WIRE 6352 -4928 4816 -4928 WIRE 6464 -4928 6352 -4928 FLAG 6000 -4944 0 FLAG 4896 -5136 0 FLAG 5040 -5232 0 FLAG 4864 -5392 0 FLAG 4864 -5472 V- FLAG 5120 -5264 V- FLAG 4944 -5328 0 FLAG 5136 -4992 V- FLAG 5568 -5488 v+ FLAG 5136 -5104 v+ FLAG 5120 -5344 v+ FLAG 5008 -5232 0 FLAG 5040 -4976 0 FLAG 6128 -5184 0 FLAG 5568 -5408 0 SYMBOL voltage 6272 -5344 R0 WINDOW 123 24 72 Left 2 WINDOW 39 24 44 Left 2 SYMATTR Value2 AC 0 SYMATTR InstName V2 SYMATTR Value 30 SYMBOL npn 5936 -5168 R0 SYMATTR InstName Q2 SYMATTR Value FZT849 SYMBOL res 5984 -5056 R0 WINDOW 0 -17 38 Right 2 WINDOW 3 -15 66 Right 2 SYMATTR InstName R1 SYMATTR Value .1 SYMBOL npn 5824 -5216 R0 SYMATTR InstName Q1 SYMATTR Value 2N2222 SYMBOL voltage 5040 -5072 R0 WINDOW 123 24 72 Left 2 WINDOW 39 24 44 Left 2 SYMATTR InstName V1 SYMATTR Value 0.2 SYMBOL diode 5360 -5168 R180 WINDOW 0 24 64 Left 2 WINDOW 3 -17 34 Left 2 SYMATTR InstName D3 SYMBOL cap 6192 -5056 R0 SYMATTR InstName C2 SYMATTR Value 200n SYMATTR SpiceLine Rser=10m SYMBOL res 6336 -5088 R0 SYMATTR InstName R8 SYMATTR Value 10k SYMBOL res 4880 -5312 R0 SYMATTR InstName R9 SYMATTR Value 2k SYMBOL voltage 4896 -5232 R0 WINDOW 123 24 72 Left 2 WINDOW 39 24 44 Left 2 WINDOW 0 29 39 Left 2 WINDOW 3 26 79 Left 2 SYMATTR InstName V3 SYMATTR Value 0.5 SYMBOL voltage 5568 -5504 R0 WINDOW 123 24 72 Left 2 WINDOW 39 24 44 Left 2 SYMATTR InstName V4 SYMATTR Value 5 SYMBOL current 6272 -5072 R0 WINDOW 3 57 -73 Left 2 WINDOW 123 24 28 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value PULSE(-0.01 -1 1m 0.1u 1u 5m) SYMATTR Value2 AC 1 SYMATTR InstName I4 SYMBOL res 5888 -5136 R0 WINDOW 3 -36 54 Left 2 SYMATTR Value 100 SYMATTR InstName R7 SYMBOL cap 6112 -5072 R0 SYMATTR InstName C4 SYMATTR Value 100µ SYMATTR SpiceLine Rser=0.2 Lser=50n SYMBOL diode 5024 -5296 R0 SYMATTR InstName D5 SYMBOL res 6448 -5120 R0 SYMATTR InstName R12 SYMATTR Value 1k SYMBOL cap 6448 -4992 R0 SYMATTR InstName C5 SYMATTR Value 5n SYMBOL res 5680 -5344 R0 SYMATTR InstName R2 SYMATTR Value 1k SYMBOL voltage 4864 -5488 R0 WINDOW 123 24 72 Left 2 WINDOW 39 24 44 Left 2 SYMATTR InstName V6 SYMATTR Value -5 SYMBOL res 5328 -5328 R0 SYMATTR InstName R4 SYMATTR Value 100 SYMBOL res 5072 -5344 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 -56 57 VTop 2 SYMATTR InstName R5 SYMATTR Value 1k SYMBOL res 5360 -5360 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R6 SYMATTR Value 1 SYMBOL cap 5328 -5376 R0 WINDOW 3 34 40 Left 2 SYMATTR Value 50p SYMATTR InstName C9 SYMBOL cap 5456 -5232 R0 SYMATTR InstName C1 SYMATTR Value 200p SYMBOL res 5456 -5376 R0 SYMATTR InstName R3 SYMATTR Value 5k SYMBOL cap 6048 -5072 R0 SYMATTR InstName C10 SYMATTR Value 1µ SYMATTR SpiceLine Rser=0.1 SYMBOL Opamps\\LT1001 5136 -5136 R0 WINDOW 3 8 104 Left 2 SYMATTR InstName U2 SYMBOL diode 5328 -5120 R0 SYMATTR InstName D1 SYMBOL cap 5216 -5136 R0 SYMATTR InstName C11 SYMATTR Value 50p SYMBOL res 4976 -5072 R0 WINDOW 0 -38 34 Left 2 WINDOW 3 -43 77 Left 2 SYMATTR InstName R10 SYMATTR Value 10k SYMBOL cap 5344 -5184 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C12 SYMATTR Value 500p SYMBOL res 5264 -5184 R90 WINDOW 0 -3 90 VBottom 2 WINDOW 3 -24 41 VTop 2 SYMATTR InstName R20 SYMATTR Value 1k SYMBOL diode 5024 -5232 R180 WINDOW 0 24 64 Left 2 WINDOW 3 24 0 Left 2 SYMATTR InstName D2 SYMBOL pnp 6128 -5136 M180 SYMATTR InstName Q3 SYMATTR Value 2SB1694 SYMBOL res 6176 -5504 R0 SYMATTR InstName R13 SYMATTR Value 1k SYMBOL Opamps\\LT1001 5120 -5376 R0 SYMATTR InstName U1 TEXT 6344 -5424 Left 2 !.tran 10m TEXT 6368 -5472 Left 2 !;ac oct 50 0.1 1e7