Version 4 SHEET 1 896 756 WIRE 496 96 496 80 WIRE 496 96 480 96 WIRE 512 96 496 96 WIRE 512 112 512 96 WIRE 192 208 192 192 WIRE 480 208 480 96 WIRE 512 208 512 192 WIRE -48 224 -144 224 WIRE 48 224 -48 224 WIRE 160 224 48 224 WIRE -144 240 -144 224 WIRE -48 240 -48 224 WIRE 48 240 48 224 WIRE 304 240 224 240 WIRE 352 240 304 240 WIRE 464 240 432 240 WIRE 624 240 528 240 WIRE 656 240 624 240 WIRE 160 256 128 256 WIRE 304 272 304 240 WIRE 192 288 192 272 WIRE 496 304 496 272 WIRE -144 336 -144 320 WIRE -48 336 -48 320 WIRE 48 336 48 304 WIRE -400 352 -400 336 WIRE -272 352 -272 336 WIRE 304 352 304 336 WIRE 128 416 128 256 WIRE 144 416 128 416 WIRE 272 416 224 416 WIRE 320 416 272 416 WIRE 432 416 400 416 WIRE 464 416 432 416 WIRE 576 416 544 416 WIRE 624 416 624 240 WIRE 624 416 576 416 WIRE -400 464 -400 432 WIRE -272 464 -272 432 WIRE 128 464 128 416 WIRE 272 512 272 416 WIRE 336 512 272 512 WIRE 432 512 432 416 WIRE 432 512 400 512 WIRE 480 512 432 512 WIRE 576 512 576 416 WIRE 576 512 544 512 WIRE 128 592 128 544 WIRE 240 592 128 592 WIRE 400 592 240 592 WIRE 624 592 624 416 WIRE 624 592 480 592 WIRE 128 608 128 592 WIRE 240 608 240 592 WIRE 128 688 128 672 WIRE 240 688 240 672 FLAG -272 464 0 FLAG 192 288 +V FLAG -272 336 +V FLAG 192 192 -V FLAG -400 464 0 FLAG -400 336 -V FLAG 496 304 -V FLAG 496 80 +V FLAG 304 352 -V FLAG 240 688 0 FLAG 128 688 0 FLAG -48 336 0 FLAG 48 336 0 FLAG -144 336 0 FLAG 656 240 OUT FLAG -144 224 IN SYMBOL voltage -272 336 R0 SYMATTR InstName V1 SYMATTR Value 18 SYMBOL voltage -400 336 R0 SYMATTR InstName V2 SYMATTR Value -18 SYMBOL res 240 400 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R1 SYMATTR Value 499 SYMBOL opamps\\LT1115 192 304 M180 WINDOW 0 8 96 Left 0 WINDOW 3 13 28 Left 0 SYMATTR InstName U1 SYMBOL opamps\\LT1010 496 176 R0 SYMATTR InstName U2 SYMBOL res 496 96 R0 SYMATTR InstName R2 SYMATTR Value 49.9 SYMBOL diode 288 272 R0 SYMATTR InstName D1 SYMATTR Value 2N4304 SYMBOL res 448 224 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R3 SYMATTR Value 100 SYMBOL res 416 400 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R4 SYMATTR Value 17.8K SYMBOL res 560 400 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R5 SYMATTR Value 210K SYMBOL cap 544 496 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C1 SYMATTR Value .015µ SYMBOL cap 400 496 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C2 SYMATTR Value 3900p SYMBOL res 496 576 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R6 SYMATTR Value 82.5K SYMBOL cap 112 608 R0 SYMATTR InstName C3 SYMATTR Value 2200µ SYMBOL cap 224 608 R0 SYMATTR InstName C4 SYMATTR Value 4.7µ SYMBOL res 112 448 R0 SYMATTR InstName R7 SYMATTR Value 232.6 SYMBOL cap 32 240 R0 SYMATTR InstName C5 SYMATTR Value 50p SYMBOL res -64 224 R0 SYMATTR InstName R8 SYMATTR Value 47.5K SYMBOL voltage -144 224 R0 SYMATTR InstName V3 SYMATTR Value ac 1 TEXT -344 536 Left 0 !.ac oct 100 10 20K TEXT -344 600 Left 0 !.model 2N4304 D(Ron=500 Ilimit=2m) TEXT -344 568 Left 0 !.options gminsteps=0 TEXT 272 128 Bottom 0 ;RIAA Phonograph Preamplifier