Version 4 SHEET 1 3840 2428 WIRE 256 -336 256 -368 WIRE 256 -224 256 -256 WIRE -352 -80 -352 -128 WIRE -352 16 -352 0 WIRE 112 16 112 0 WIRE 208 16 112 16 WIRE 112 48 112 16 WIRE 112 160 112 128 WIRE 320 160 224 160 WIRE 544 160 400 160 WIRE 592 272 368 272 WIRE 592 304 592 272 WIRE 80 320 16 320 WIRE 304 320 160 320 WIRE 368 384 368 272 WIRE 304 400 304 320 WIRE 336 400 304 400 WIRE 544 416 544 160 WIRE 544 416 400 416 WIRE 592 416 592 384 WIRE 592 416 544 416 WIRE 704 416 592 416 WIRE 80 432 16 432 WIRE 224 432 224 160 WIRE 224 432 160 432 WIRE 336 432 224 432 WIRE 368 496 368 448 FLAG 256 -224 0 FLAG 368 496 0 FLAG -352 16 0 FLAG 112 160 0 FLAG 704 416 out_ti_393 FLAG -352 -128 in FLAG 16 432 in FLAG 368 272 vcc FLAG 256 -368 vcc FLAG 208 16 ref FLAG 16 320 ref SYMBOL voltage 256 -352 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 30 SYMBOL voltage -352 -96 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value SINE(9.9 10.1 500 10n 10n) SYMBOL voltage 112 32 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V4 SYMATTR Value 10 SYMBOL res 576 288 R0 SYMATTR InstName R4 SYMATTR Value 5k SYMBOL res 64 336 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R5 SYMATTR Value 47k SYMBOL res 64 448 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R6 SYMATTR Value 1k SYMBOL XOPAMP 368 352 R0 SYMATTR InstName U2 SYMATTR SpiceModel LM393A SYMBOL res 416 144 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value 470k TEXT -336 -296 Left 2 ;.dc V1 0.9 1.1 1m TEXT -336 -264 Left 2 !.tran 0 5m 0 0.1u TEXT 392 472 Left 2 ;XOPAMP.ASY TEXT -336 -432 Left 2 !.INCLUDE lm393_st.txt TEXT -336 -400 Left 2 !.INCLUDE LM339A.5_1_ti.txt TEXT -336 -368 Left 2 !.INCLUDE LM393A.5_1_ti.txt TEXT 424 344 Left 2 ;TI model TEXT 0 -432 Left 2 ;ST TEXT 0 -400 Left 2 ;TI TEXT 0 -368 Left 2 ;TI TEXT -336 -336 Left 2 !.INCLUDE LM339_jim.txt TEXT -336 -480 Left 2 ;http://www.analog-innovations.com/subcircuits.html TEXT 0 -336 Left 2 ;An.-In.