Version 4 SHEET 1 880 680 WIRE -16 64 -112 64 WIRE 144 64 -16 64 WIRE 240 64 144 64 WIRE 368 64 240 64 WIRE -112 80 -112 64 WIRE -16 80 -16 64 WIRE 144 80 144 64 WIRE 240 80 240 64 WIRE 368 80 368 64 WIRE 368 176 368 160 WIRE -16 192 -16 160 WIRE 16 192 -16 192 WIRE 96 192 80 192 WIRE 240 192 240 160 WIRE 256 192 240 192 WIRE 336 192 320 192 WIRE 336 224 336 192 WIRE 368 224 336 224 WIRE 400 224 368 224 WIRE -192 240 -208 240 WIRE -112 240 -112 160 WIRE -112 240 -128 240 WIRE -80 240 -112 240 WIRE 96 240 96 192 WIRE 144 240 144 160 WIRE 144 240 96 240 WIRE 176 240 144 240 WIRE 368 240 368 224 WIRE -208 288 -208 240 WIRE -112 320 -112 240 WIRE -16 320 -16 288 WIRE 144 320 144 240 WIRE 240 320 240 288 WIRE -208 416 -208 368 WIRE -112 416 -112 400 WIRE -16 416 -16 400 WIRE 144 416 144 400 WIRE 240 416 240 400 WIRE 368 416 368 320 FLAG -112 416 0 FLAG -16 416 0 FLAG 144 416 0 FLAG 240 416 0 FLAG 368 416 0 FLAG 368 176 0 FLAG -208 416 0 FLAG 400 224 Vout SYMBOL npn -80 192 R0 SYMATTR InstName Q1 SYMATTR Value 2N2222 SYMBOL npn 176 192 R0 WINDOW 0 7 -5 Left 0 SYMATTR InstName Q2 SYMATTR Value 2N2222 SYMBOL res -32 64 R0 SYMATTR InstName R1 SYMATTR Value 3.3k SYMBOL res 224 64 R0 SYMATTR InstName R2 SYMATTR Value 1k SYMBOL res -32 304 R0 SYMATTR InstName R3 SYMATTR Value 270 SYMBOL res 224 304 R0 SYMATTR InstName R4 SYMATTR Value 100 SYMBOL res 352 224 R0 SYMATTR InstName R5 SYMATTR Value 680 SYMBOL res 128 64 R0 SYMATTR InstName R6 SYMATTR Value 27k SYMBOL res 128 304 R0 SYMATTR InstName R7 SYMATTR Value 4.4k SYMBOL res -128 64 R0 SYMATTR InstName R8 SYMATTR Value 68k SYMBOL res -128 304 R0 SYMATTR InstName R9 SYMATTR Value 8.2k SYMBOL Misc\\battery 368 64 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL cap 80 176 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C1 SYMATTR Value 4.7µ SYMBOL cap 320 176 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C2 SYMATTR Value 47µ SYMBOL cap -128 224 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C3 SYMATTR Value 4.7µ SYMBOL voltage -208 272 R0 WINDOW 0 34 51 Left 0 WINDOW 3 -44 183 Left 0 WINDOW 123 -6 212 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value SINE(0 .2 1k) SYMATTR Value2 AC 1 TEXT -96 40 Left 0 !.tran 5m TEXT 32 40 Left 0 !;ac dec 100 10 100k TEXT 272 40 Left 0 !;op TEXT -80 456 Left 0 ;Reference: Schuler, 7th edition, pages 180-182