Version 4 SHEET 1 1684 1700 WIRE -240 128 -336 128 WIRE -96 128 -160 128 WIRE -48 128 -96 128 WIRE 128 128 80 128 WIRE 288 128 208 128 WIRE 336 128 288 128 WIRE -336 176 -336 128 WIRE -96 176 -96 128 WIRE 288 176 288 128 WIRE -336 288 -336 256 WIRE -96 288 -96 240 WIRE 288 288 288 240 WIRE -240 448 -304 448 WIRE -96 448 -160 448 WIRE -48 448 -96 448 WIRE 128 448 80 448 WIRE 288 448 208 448 WIRE 336 448 288 448 WIRE -96 496 -96 448 WIRE 288 496 288 448 WIRE -96 608 -96 560 WIRE 288 608 288 560 FLAG -336 288 0 FLAG -336 128 in FLAG -96 288 0 FLAG -48 128 vref1 IOPIN -48 128 Out FLAG 80 128 in FLAG 288 288 0 FLAG 336 128 vref2 IOPIN 336 128 Out FLAG -304 448 in FLAG -96 608 0 FLAG -48 448 vref3 IOPIN -48 448 Out FLAG 80 448 in FLAG 288 608 0 FLAG 336 448 vref4 IOPIN 336 448 Out SYMBOL res -256 144 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R1 SYMATTR Value 3.3k SYMBOL xref2 -112 176 R0 SYMATTR InstName U1 SYMATTR Value LT1004_12 SYMBOL res 112 144 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R2 SYMATTR Value 3.3k SYMBOL xref2 272 176 R0 SYMATTR InstName U2 SYMATTR Value LM385_12 SYMBOL voltage -336 160 R0 WINDOW 123 24 132 Left 0 WINDOW 39 0 0 Left 0 WINDOW 3 30 85 Left 0 SYMATTR Value 5 SYMATTR InstName V2 SYMBOL res -256 464 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R6 SYMATTR Value 3.3k SYMBOL xref2 -112 496 R0 SYMATTR InstName U4 SYMATTR Value LT1004_25 SYMBOL res 112 464 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R7 SYMATTR Value 3.3k SYMBOL xref2 272 496 R0 SYMATTR InstName U5 SYMATTR Value LM385_25 TEXT -344 -88 Left 0 !.op TEXT -344 -56 Left 0 ;.dc V1 1.35 11.25 0.01 TEXT -344 -24 Left 0 !.step TEMP -55 125 15 TEXT -344 -408 Left 0 ;LT1004/LM385 Test Schematic\nHelmut Sennewald 24.03.2007\n \nThe LT1004-model is a selfmade subcircuit.\nIt's based on the schematic shown in the datasheet.\nThe LM385 is equal to the LT1004. TEXT -344 -224 Left 0 !.include LT1004-1.2.sub\n.include LM385-1.2.sub\n.include LT1004-2.5.sub\n.include LM385-2.5.sub TEXT -48 -216 Left 0 ;* If the circuit has convergence problems,\n* use the following options.\n* .options itl1=500 itl2=500