Version 4 SHEET 1 1408 1364 WIRE 1104 -112 976 -112 WIRE 1344 -112 1104 -112 WIRE -288 -96 -416 -96 WIRE -48 -96 -288 -96 WIRE 400 -96 272 -96 WIRE 640 -96 400 -96 WIRE 1344 -80 1344 -112 WIRE -48 -64 -48 -96 WIRE 640 -64 640 -96 WIRE 976 -64 976 -112 WIRE 1104 -64 1104 -112 WIRE -416 -48 -416 -96 WIRE -288 -48 -288 -96 WIRE 272 -48 272 -96 WIRE 400 -48 400 -96 WIRE 1344 32 1344 0 WIRE -48 48 -48 16 WIRE 640 48 640 16 WIRE 1104 48 1104 16 WIRE 1200 48 1104 48 WIRE -288 64 -288 32 WIRE -192 64 -288 64 WIRE 400 64 400 32 WIRE 496 64 400 64 WIRE 1104 80 1104 48 WIRE -288 96 -288 64 WIRE 400 96 400 64 WIRE 816 128 736 128 WIRE 976 128 976 16 WIRE 976 128 880 128 WIRE 1040 128 976 128 WIRE -576 144 -656 144 WIRE -416 144 -416 32 WIRE -416 144 -512 144 WIRE -352 144 -416 144 WIRE 112 144 32 144 WIRE 272 144 272 32 WIRE 272 144 176 144 WIRE 336 144 272 144 WIRE 736 176 736 128 WIRE -656 192 -656 144 WIRE 32 192 32 144 WIRE 1104 192 1104 176 WIRE 1264 192 1104 192 WIRE -288 208 -288 192 WIRE -128 208 -288 208 WIRE 400 208 400 192 WIRE 560 208 400 208 WIRE 1104 208 1104 192 WIRE -288 224 -288 208 WIRE 400 224 400 208 WIRE 1264 224 1264 192 WIRE -128 240 -128 208 WIRE 560 240 560 208 WIRE 736 304 736 256 WIRE 976 304 976 128 WIRE -656 320 -656 272 WIRE -416 320 -416 144 WIRE 32 320 32 272 WIRE 272 320 272 144 WIRE 1104 320 1104 288 WIRE 1232 320 1104 320 WIRE -288 336 -288 304 WIRE -208 336 -288 336 WIRE -160 336 -208 336 WIRE 400 336 400 304 WIRE 528 336 400 336 WIRE 1104 336 1104 320 WIRE 400 352 400 336 WIRE -288 384 -288 336 WIRE -272 384 -288 384 WIRE 1104 416 1104 400 WIRE 1264 416 1264 288 WIRE 1264 416 1104 416 WIRE -288 432 -288 416 WIRE -208 432 -288 432 WIRE -128 432 -128 304 WIRE -128 432 -208 432 WIRE 400 432 400 416 WIRE 560 432 560 304 WIRE 560 432 400 432 WIRE 1104 432 1104 416 WIRE -288 448 -288 432 WIRE 400 448 400 432 WIRE 1232 448 1232 320 WIRE -160 464 -160 336 WIRE 528 464 528 336 WIRE 976 544 976 384 WIRE 1104 544 1104 512 WIRE 1104 544 976 544 WIRE 1232 544 1232 512 WIRE 1232 544 1104 544 WIRE -416 560 -416 400 WIRE -288 560 -288 528 WIRE -288 560 -416 560 WIRE -160 560 -160 528 WIRE -160 560 -288 560 WIRE 272 560 272 400 WIRE 400 560 400 528 WIRE 400 560 272 560 WIRE 528 560 528 528 WIRE 528 560 400 560 WIRE 1104 576 1104 544 WIRE -288 592 -288 560 WIRE 400 592 400 560 FLAG -48 48 0 FLAG -656 320 0 FLAG -288 592 0 FLAG -192 64 out FLAG 1344 32 0 FLAG 736 304 0 FLAG 1104 576 0 FLAG 1200 48 out2 FLAG 640 48 0 FLAG 32 320 0 FLAG 400 592 0 FLAG 496 64 out1 SYMBOL npn -352 96 R0 SYMATTR InstName Q1 SYMATTR Value 2N3904 SYMBOL res -304 208 R0 SYMATTR InstName R1 SYMATTR Value 1k SYMBOL res -304 432 R0 SYMATTR InstName R2 SYMATTR Value 1k SYMBOL cap -144 240 R0 SYMATTR InstName C1 SYMATTR Value 100µ SYMBOL cap -176 464 R0 SYMATTR InstName C2 SYMATTR Value 100µ SYMBOL voltage -48 -80 R0 SYMATTR InstName V1 SYMATTR Value 15 SYMBOL res -432 -64 R0 SYMATTR InstName R3 SYMATTR Value 22k SYMBOL res -432 304 R0 SYMATTR InstName R4 SYMATTR Value 10k SYMBOL res -304 -64 R0 SYMATTR InstName R5 SYMATTR Value 1k SYMBOL voltage -656 176 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value SINE(0 {A*0.75} 1k) SYMBOL cap -576 160 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C3 SYMATTR Value 1µ SYMBOL npn 1040 80 R0 SYMATTR InstName Q2 SYMATTR Value 2N3904 SYMBOL res 1088 192 R0 SYMATTR InstName R6 SYMATTR Value 1k SYMBOL res 1088 416 R0 SYMATTR InstName R7 SYMATTR Value 1k SYMBOL cap 1248 224 R0 SYMATTR InstName C4 SYMATTR Value 100µ SYMBOL cap 1216 448 R0 SYMATTR InstName C5 SYMATTR Value 100µ SYMBOL voltage 1344 -96 R0 SYMATTR InstName V3 SYMATTR Value 15 SYMBOL res 960 -80 R0 SYMATTR InstName R8 SYMATTR Value 22k SYMBOL res 960 288 R0 SYMATTR InstName R9 SYMATTR Value 10k SYMBOL res 1088 -80 R0 SYMATTR InstName R10 SYMATTR Value 1k SYMBOL voltage 736 160 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V4 SYMATTR Value SINE(0 {A} 1k) SYMBOL cap 816 144 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C6 SYMATTR Value 1µ SYMBOL res 1088 320 R0 SYMATTR InstName R11 SYMATTR Value 33 SYMBOL npn -272 336 R0 SYMATTR InstName Q3 SYMATTR Value 2N3904 SYMBOL npn 336 96 R0 SYMATTR InstName Q4 SYMATTR Value 2N3904 SYMBOL res 384 208 R0 SYMATTR InstName R12 SYMATTR Value 1k SYMBOL res 384 432 R0 SYMATTR InstName R13 SYMATTR Value 1k SYMBOL cap 544 240 R0 SYMATTR InstName C7 SYMATTR Value 100µ SYMBOL cap 512 464 R0 SYMATTR InstName C8 SYMATTR Value 100µ SYMBOL voltage 640 -80 R0 SYMATTR InstName V5 SYMATTR Value 15 SYMBOL res 256 -64 R0 SYMATTR InstName R14 SYMATTR Value 22k SYMBOL res 256 304 R0 SYMATTR InstName R15 SYMATTR Value 10k SYMBOL res 384 -64 R0 SYMATTR InstName R16 SYMATTR Value 1k SYMBOL voltage 32 176 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V6 SYMATTR Value SINE(0 {A} 1k) SYMBOL cap 112 160 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C9 SYMATTR Value 1µ SYMBOL diode 384 352 R0 SYMATTR InstName D1 SYMATTR Value 1N4148 TEXT -560 -288 Left 2 !.tran 0 20m 0 1u TEXT -560 -256 Left 2 !.options plotwinsize=0 TEXT -560 -216 Left 2 !.four 1k V(out) V(out1) V(out2) TEXT -96 -208 Left 2 ;.temp 0 100 TEXT -560 -184 Left 2 !.op TEXT -104 -288 Left 2 !.param A=0.01 TEXT -104 -256 Left 2 !.step param A 0.01 0.1 0.01 TEXT 400 -304 Left 5 ;Distortion\nView -> SPICE -> Error Log