Version 4 SHEET 1 3840 2428 WIRE 416 -112 224 -112 WIRE 528 -112 416 -112 WIRE 560 -112 528 -112 WIRE 656 -112 640 -112 WIRE 528 -80 528 -112 WIRE 496 -64 448 -64 WIRE 1088 -64 1024 -64 WIRE 1168 -64 1088 -64 WIRE 608 -48 560 -48 WIRE 656 -48 656 -112 WIRE 656 -48 608 -48 WIRE 784 -48 736 -48 WIRE 960 -48 864 -48 WIRE 1168 -48 1168 -64 WIRE 336 -32 304 -32 WIRE 496 -32 416 -32 WIRE 304 -16 304 -32 WIRE 448 -16 448 -64 WIRE 304 16 304 -16 WIRE 1024 16 1024 -64 WIRE 960 32 960 -48 WIRE 992 32 960 32 WIRE 528 48 528 -16 WIRE 560 48 528 48 WIRE 1168 48 1168 32 WIRE 1168 48 1056 48 WIRE 1216 48 1168 48 WIRE 224 64 224 -112 WIRE 784 64 736 64 WIRE 992 64 864 64 WIRE 448 80 448 64 WIRE 448 80 416 80 WIRE 448 96 448 80 WIRE 528 96 528 48 WIRE 1024 96 1024 80 WIRE 1088 176 992 176 WIRE 1168 176 1088 176 WIRE 224 192 224 144 WIRE 304 192 304 96 WIRE 448 192 448 176 WIRE 528 192 528 176 WIRE 784 192 736 192 WIRE 928 192 864 192 WIRE 1168 192 1168 176 WIRE 608 240 560 240 WIRE 640 240 608 240 WIRE 352 256 304 256 WIRE 496 256 432 256 WIRE 640 256 640 240 WIRE 992 256 992 176 WIRE 928 272 928 192 WIRE 960 272 928 272 WIRE 1168 288 1168 272 WIRE 1168 288 1024 288 WIRE 1216 288 1168 288 WIRE 784 304 736 304 WIRE 960 304 864 304 WIRE 560 320 560 240 WIRE 496 336 496 256 WIRE 528 336 496 336 WIRE 992 336 992 320 WIRE 992 336 960 336 WIRE 640 352 640 336 WIRE 640 352 592 352 WIRE 688 352 640 352 WIRE 352 368 304 368 WIRE 528 368 432 368 WIRE 560 400 560 384 WIRE 560 400 512 400 FLAG 224 192 0 FLAG 528 192 0 FLAG 304 192 0 FLAG 608 -48 out_1 FLAG 448 192 0 FLAG 1216 48 out_2 FLAG 304 -16 in FLAG 736 64 in FLAG 1088 -64 vcc FLAG 1024 96 vee FLAG 416 -112 vcc FLAG 560 48 vee FLAG 416 80 ref FLAG 736 -48 ref FLAG 688 352 out_3 FLAG 304 368 in FLAG 608 240 vcc FLAG 512 400 vee FLAG 304 256 ref FLAG 1216 288 out_4 FLAG 736 304 in FLAG 1088 176 vcc FLAG 736 192 ref FLAG 960 336 vee SYMBOL voltage 224 48 R0 WINDOW 0 -13 61 Left 0 WINDOW 3 9 8 Left 0 SYMATTR InstName V+ SYMATTR Value 5 SYMBOL voltage 528 80 R0 WINDOW 0 -8 57 Left 0 SYMATTR InstName V- SYMATTR Value -5 SYMBOL res 656 -128 R90 WINDOW 0 17 102 VBottom 0 WINDOW 3 -10 16 VTop 0 SYMATTR InstName R1 SYMATTR Value 5k SYMBOL res 432 -32 R0 SYMATTR InstName R2 SYMATTR Value 1k SYMBOL res 320 -16 R270 WINDOW 0 17 5 VTop 0 WINDOW 3 42 109 VBottom 0 SYMATTR InstName R3 SYMATTR Value 1k SYMBOL voltage 304 0 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 WINDOW 3 -134 -122 VRight 0 WINDOW 0 -18 59 Left 0 SYMATTR Value PULSE(0.9 1.1 1u 10n 10n 5u 10u) SYMATTR InstName Vin SYMBOL voltage 448 80 R0 WINDOW 0 -13 59 Left 0 SYMATTR InstName Vr SYMATTR Value 1 SYMBOL res 1152 -64 R0 SYMATTR InstName R4 SYMATTR Value 5k SYMBOL res 768 -32 R270 WINDOW 0 16 6 VTop 0 WINDOW 3 42 106 VBottom 0 SYMATTR InstName R5 SYMATTR Value 1k SYMBOL res 768 80 R270 WINDOW 0 15 3 VTop 0 WINDOW 3 42 104 VBottom 0 SYMATTR InstName R6 SYMATTR Value 1k SYMBOL res 624 240 R0 SYMATTR InstName R7 SYMATTR Value 5k SYMBOL res 336 272 R270 WINDOW 0 16 4 VTop 0 WINDOW 3 42 107 VBottom 0 SYMATTR InstName R8 SYMATTR Value 1k SYMBOL res 336 384 R270 WINDOW 0 15 6 VTop 0 WINDOW 3 41 102 VBottom 0 SYMATTR InstName R9 SYMATTR Value 1k SYMBOL res 1152 176 R0 SYMATTR InstName R10 SYMATTR Value 5k SYMBOL res 768 208 R270 WINDOW 0 16 -4 VTop 0 WINDOW 3 43 116 VBottom 0 SYMATTR InstName R11 SYMATTR Value 1k SYMBOL res 768 320 R270 WINDOW 0 15 -2 VTop 0 WINDOW 3 44 107 VBottom 0 SYMATTR InstName R12 SYMATTR Value 1k SYMBOL Robertugo\\comp5_all 528 -112 R0 WINDOW 0 -29 63 Left 0 SYMATTR InstName U1 SYMATTR SpiceModel LM193 SYMBOL Robertugo\\comp5_all 1024 -16 R0 WINDOW 0 -30 63 Left 0 SYMATTR InstName U2 SYMATTR SpiceModel LM139/TEMP SYMBOL Robertugo\\comp5_all 560 288 R0 WINDOW 0 -29 63 Left 0 SYMATTR InstName U3 SYMATTR SpiceModel LM193A SYMBOL Robertugo\\comp5_all 992 224 R0 WINDOW 0 -29 66 Left 0 SYMATTR InstName U4 SYMATTR SpiceModel LM339_jim TEXT 904 -104 Left 0 ;.dc V1 0.9 1.1 1m TEXT 1096 -104 Left 0 !.tran 0 10u 0 0.1u TEXT 328 440 Left 0 ;http://focus.ti.com/analog/docs/analogtechdoc.tsp?familyId=81&navSection=models&templateId=3 TEXT 608 416 Left 0 ;http://www.st.com/stonline/products/support/macromdl/index.htm TEXT 864 360 Left 0 ;Links to models: TEXT 1000 240 Left 0 ;Jim Th. model TEXT 696 392 Left 0 ;http://www.analog-innovations.com/subcircuits.html