Version 4 SHEET 1 880 680 WIRE -96 -144 -336 -144 WIRE 80 -144 -96 -144 WIRE 336 -144 80 -144 WIRE -336 -80 -336 -144 WIRE -96 -80 -96 -144 WIRE 80 -80 80 -144 WIRE 336 0 336 -144 WIRE -336 32 -336 0 WIRE 80 48 80 0 WIRE 272 48 80 48 WIRE 80 112 80 48 WIRE 336 144 336 96 WIRE 448 144 336 144 WIRE 528 144 512 144 WIRE 576 144 528 144 WIRE -240 160 -352 160 WIRE -96 160 -96 0 WIRE -96 160 -176 160 WIRE 16 160 -96 160 WIRE 80 240 80 208 WIRE 176 240 80 240 WIRE 336 256 336 144 WIRE 528 256 528 144 WIRE -352 272 -352 160 WIRE 176 272 176 240 WIRE -96 304 -96 160 WIRE 80 304 80 240 WIRE 176 368 176 352 WIRE -352 464 -352 352 WIRE -96 464 -96 384 WIRE -96 464 -352 464 WIRE 80 464 80 384 WIRE 80 464 -96 464 WIRE 176 464 176 432 WIRE 176 464 80 464 WIRE 336 464 336 336 WIRE 336 464 176 464 WIRE 528 464 528 336 WIRE 528 464 336 464 WIRE -352 496 -352 464 FLAG -352 496 0 FLAG -336 32 0 FLAG 576 144 out FLAG -352 160 in DATAFLAG 192 48 "round($*1k)/1k" DATAFLAG 176 240 "round($*1k)/1k" DATAFLAG 384 144 "round($*1k)/1k" DATAFLAG -32 160 "round($*1k)/1k" DATAFLAG -336 -144 "round($*1k)/1k" SYMBOL npn 16 112 R0 SYMATTR InstName Q1 SYMATTR Value BC547B SYMBOL Misc\\EuropeanResistor 64 288 R0 SYMATTR InstName Re SYMATTR Value 1k SYMBOL Misc\\EuropeanResistor 160 256 R0 SYMATTR InstName R3 SYMATTR Value 100 SYMBOL Misc\\EuropeanResistor -112 288 R0 SYMATTR InstName R2 SYMATTR Value 22k SYMBOL Misc\\EuropeanResistor 64 -96 R0 SYMATTR InstName Tc SYMATTR Value 3.3k SYMBOL Misc\\EuropeanResistor -112 -96 R0 SYMATTR InstName R1 SYMATTR Value 100k SYMBOL Misc\\EuropeanResistor 320 240 R0 SYMATTR InstName R6 SYMATTR Value 2.2k SYMBOL Misc\\EuropeanResistor 512 240 R0 SYMATTR InstName RL SYMATTR Value 10k SYMBOL polcap 160 368 R0 SYMATTR InstName C3 SYMATTR Value 47u SYMBOL npn 272 0 R0 SYMATTR InstName Q2 SYMATTR Value 2N2222 SYMBOL voltage -352 256 R0 WINDOW 123 24 124 Left 2 WINDOW 39 0 0 Left 0 SYMATTR Value2 AC 1 SYMATTR InstName V1 SYMATTR Value SINE(0 100m 1k) SYMBOL voltage -336 -96 R0 WINDOW 123 24 124 Left 2 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 15 SYMBOL cap -176 144 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 2.2u SYMBOL cap 512 128 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 2.2u TEXT -328 -264 Left 2 !.ac dec 100 50 20k TEXT -328 -224 Left 2 ;.tran 0 10m 0 1u TEXT -32 -224 Left 2 !.options plotwinsize=0 TEXT 288 -224 Left 2 !.four 1k V(out) TEXT -192 144 Left 2 ;+ TEXT 448 128 Left 2 ;+