Version 4 SHEET 1 1756 912 WIRE -848 -320 -1216 -320 WIRE -736 -320 -848 -320 WIRE -656 -320 -736 -320 WIRE -560 -320 -656 -320 WIRE -544 -320 -560 -320 WIRE -848 -224 -848 -320 WIRE -736 -224 -736 -320 WIRE -560 -176 -560 -320 WIRE -656 -160 -656 -320 WIRE -656 -64 -656 -96 WIRE -560 -64 -560 -96 WIRE -560 -64 -656 -64 WIRE -560 -32 -560 -64 WIRE -560 80 -560 48 WIRE -736 128 -736 -144 WIRE -624 128 -736 128 WIRE -736 160 -736 128 WIRE -1056 208 -1088 208 WIRE -944 208 -976 208 WIRE -848 208 -848 -144 WIRE -848 208 -880 208 WIRE -800 208 -848 208 WIRE -560 224 -560 176 WIRE -416 224 -560 224 WIRE -368 224 -416 224 WIRE -240 224 -368 224 WIRE -736 288 -736 256 WIRE -1216 304 -1216 -320 WIRE -1088 304 -1088 208 WIRE -560 304 -560 224 WIRE -368 352 -368 224 WIRE -240 352 -240 224 WIRE -736 400 -736 368 WIRE -640 400 -736 400 WIRE -848 432 -848 208 WIRE -736 432 -736 400 WIRE -640 448 -640 400 WIRE -1216 544 -1216 384 WIRE -1088 544 -1088 384 WIRE -1088 544 -1216 544 WIRE -848 544 -848 512 WIRE -848 544 -1088 544 WIRE -736 544 -736 512 WIRE -736 544 -848 544 WIRE -640 544 -640 512 WIRE -640 544 -736 544 WIRE -560 544 -560 384 WIRE -560 544 -640 544 WIRE -368 544 -368 432 WIRE -368 544 -560 544 WIRE -240 544 -240 416 WIRE -240 544 -368 544 WIRE -560 608 -560 544 FLAG -560 608 0 FLAG -544 -320 Vcc FLAG -416 224 Vout SYMBOL res -576 -192 R0 SYMATTR InstName R6 SYMATTR Value 150 SYMBOL res -576 -48 R0 SYMATTR InstName R7 SYMATTR Value 15 SYMBOL pnp -624 176 M180 SYMATTR InstName Q2 SYMATTR Value QBC856 SYMBOL res -752 272 R0 SYMATTR InstName R4 SYMATTR Value 15 SYMBOL res -752 -240 R0 SYMATTR InstName R3 SYMATTR Value 390 SYMBOL res -864 -240 R0 SYMATTR InstName R1 SYMATTR Value 62k SYMBOL res -864 416 R0 SYMATTR InstName R2 SYMATTR Value 12k SYMBOL cap -880 192 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 10µ SYMBOL cap -224 416 R180 WINDOW 0 24 56 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C2 SYMATTR Value 2p SYMBOL res -384 336 R0 SYMATTR InstName RL SYMATTR Value 1MEG SYMBOL res -960 192 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName Rsig SYMATTR Value 10k SYMBOL Misc\\signal -1088 288 R0 WINDOW 123 24 132 Left 2 WINDOW 39 0 0 Left 2 SYMATTR Value2 AC 1 SYMATTR InstName V1 SYMATTR Value SINE(0 20m 1K) SYMBOL voltage -1216 288 R0 SYMATTR InstName V2 SYMATTR Value 10 SYMBOL npn -800 160 R0 SYMATTR InstName Q1 SYMATTR Value QBC846 SYMBOL res -752 416 R0 SYMATTR InstName R5 SYMATTR Value 150 SYMBOL cap -656 448 R0 SYMATTR InstName C3 SYMATTR Value 1m SYMBOL cap -672 -160 R0 SYMATTR InstName C4 SYMATTR Value 1m SYMBOL res -576 288 R0 SYMATTR InstName R8 SYMATTR Value 510 TEXT 80 -432 Left 2 !.MODEL QBC856 PNP \n+ IS = 2.014E-14 \n+ NF = 0.9974 \n+ ISE = 6.578E-15 \n+ NE = 1.45 \n+ BF = 315.3 \n+ IKF = 0.079 \n+ VAF = 39.15 \n+ NR = 0.9952 \n+ ISC = 1.633E-14 \n+ NC = 1.15 \n+ BR = 8.68 \n+ IKR = 0.09 \n+ VAR = 9.5 \n+ RB = 10 \n+ IRB = 5E-06 \n+ RBM = 5E-06 \n+ RE = 0.663 \n+ RC = 0.718 \n+ XTB = 0 \n+ EG = 1.11 \n+ XTI = 3 \n+ CJE = 1.135E-11 \n+ VJE = 0.7071 \n+ MJE = 0.3808 \n+ TF = 6.546E-10 \n+ XTF = 5.387 \n+ VTF = 6.245 \n+ ITF = 0.2108 \n+ PTF = 0 \n+ CJC = 6.395E-12 \n+ VJC = 0.4951 \n+ MJC = 0.44 \n+ XCJC = 0.6288 \n+ TR = 5.5E-08 \n+ CJS = 0 \n+ VJS = 0.75 \n+ MJS = 0.333 \n+ FC = 0.9059 TEXT 480 -432 Left 2 !.MODEL QBC846 NPN \n+ IS = 1.822E-14 \n+ NF = 0.9932 \n+ ISE = 2.894E-16 \n+ NE = 1.4 \n+ BF = 324.4 \n+ IKF = 0.109 \n+ VAF = 82 \n+ NR = 0.9931 \n+ ISC = 9.982E-12 \n+ NC = 1.763 \n+ BR = 8.29 \n+ IKR = 0.09 \n+ VAR = 17.9 \n+ RB = 10 \n+ IRB = 5E-06 \n+ RBM = 5 \n+ RE = 0.649 \n+ RC = 0.7014 \n+ XTB = 0 \n+ EG = 1.11 \n+ XTI = 3 \n+ CJE = 1.244E-11 \n+ VJE = 0.7579 \n+ MJE = 0.3656 \n+ TF = 4.908E-10 \n+ XTF = 9.51 \n+ VTF = 2.927 \n+ ITF = 0.3131 \n+ PTF = 0 \n+ CJC = 3.347E-12 \n+ VJC = 0.5463 \n+ MJC = 0.391 \n+ XCJC = 0.6193 \n+ TR = 9E-08 \n+ CJS = 0 \n+ VJS = 0.75 \n+ MJS = 0.333 \n+ FC = 0.979 TEXT -200 536 Left 2 !;op TEXT -200 488 Left 2 !.TEMP 70 TEXT -200 584 Left 2 !.tran 0 10ms 5ms TEXT -200 632 Left 2 !;ac dec 25 1 100MEG