Version 4 SHEET 1 2668 1436 WIRE 256 -64 224 -64 WIRE 368 -64 336 -64 WIRE 224 48 224 -64 WIRE 256 48 224 48 WIRE 368 48 368 -64 WIRE 368 48 320 48 WIRE 224 208 224 48 WIRE 224 208 -464 208 WIRE 240 208 224 208 WIRE 368 224 368 48 WIRE 368 224 304 224 WIRE 400 224 368 224 WIRE 544 224 464 224 WIRE 720 224 624 224 WIRE 240 240 224 240 WIRE 1008 240 784 240 WIRE 1120 240 1072 240 WIRE 1216 240 1120 240 WIRE 720 256 704 256 WIRE -528 320 -528 208 WIRE 1120 320 1120 240 WIRE -528 528 -528 400 WIRE 1120 560 1120 400 WIRE 608 752 608 736 FLAG 1120 560 0 FLAG -528 528 0 SYMBOL Res 352 -80 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 15Mega SYMBOL Cap 464 208 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C4 SYMATTR Value 100n SYMBOL Res 640 208 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 1k SYMBOL Res 1104 304 R0 SYMATTR InstName R9 SYMATTR Value 2.2k SYMBOL Cap 1072 224 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C10 SYMATTR Value 100n SYMBOL OpAmps/opamp2 272 160 R0 WINDOW 3 29 111 Left 2 SYMATTR Value TLE2072 SYMATTR InstName U1 SYMBOL OpAmps/opamp2 752 176 R0 SYMATTR InstName U2 SYMATTR Value TLE2072 SYMBOL Voltage -528 304 R0 WINDOW 3 52 64 Left 2 SYMATTR Value PULSE(0 -0.00005 100u 10p 10p 1 1 1) SYMATTR InstName StepGeneratorDoNotEdit SYMBOL Cap -464 192 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName Cd SYMATTR Value 20n SYMBOL cap 320 32 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 2.2p TEXT -384 -32 Left 2 !.tran 500u TEXT 1896 -616 Left 2 !* TLE2072 OPERATIONAL AMPLIFIER "MACROMODEL" SUBCIRCUIT\n* CREATED USING PARTS RELEASE 4.03 ON 02/11/91 AT 15:13\n* REV N/A SUPPLIES +/-15V\n* CONNECTIONS: NON-INVERTING INPUT\n* | INVERTING INPUT\n* | | POSITIVE POWER SUPPLY\n* | | | NEGATIVE POWER SUPPLY\n* | | | | OUTPUT\n* | | | | |\n.SUBCKT TLE2072 1 2 3 4 5\n*\n C1 11 12 2.2E-12\n C2 6 7 10.00E-12\n DC 5 53 DX\n DE 54 5 DX\n DLP 90 91 DX\n DLN 92 90 DX\n DP 4 3 DX\n EGND 99 0 POLY(2) (3,0) (4,0) 0 .5 .5\n FB 7 99 POLY(5) VB VC VE VLP VLN 0 5.607E6 -6E6 6E6 6E6 -6E6\n GA 6 0 11 12 333.0E-6\n GCM 0 6 10 99 7.436E-9\n ISS 3 10 DC 400.0E-6\n HLIM 90 0 VLIM 1K\n J1 11 2 10 JX\n J2 12 1 10 JX\n R2 6 9 100.0E3\n RD1 4 11 3.003E3\n RD2 4 12 3.003E3\n RO1 8 5 80\n RO2 7 99 80\n RP 3 4 27.30E3\n RSS 10 99 500.0E3\n VB 9 0 DC 0\n VC 3 53 DC 2.200\n VE 54 4 DC 2.200\n VLIM 7 8 DC 0\n VLP 91 0 DC 45\n VLN 0 92 DC 45\n.MODEL DX D(IS=800.0E-18)\n.MODEL JX PJF(IS=15.00E-12 BETA=554.5E-6 VTO=-.6)\n.ENDS\n TEXT 1152 216 Left 2 ;Output TEXT -320 184 Left 2 ;Input TEXT -616 120 Left 2 ;Diode Emulator RECTANGLE Normal -628 136 -8 584 2