,: ,:"LM-723 VOLTAGE REGULATOR DESIGN": (O,"+")](:" REFER TO THE DATA BEGINNING ON PAGE 1-110 OF [THE LINEAR HANDBOOK]"::" FOR THE CIRCUIT DESIGN AND DETAILED OPERATING LIMITS."2:" V OUT = V IN -5 VOLTS MINIMUM."<:" MAXIMUM INPUT VOLTAGE IS 40"F:" MAXIMUM OUTPUT CURRENT IS 150 ma."^K:" AN ALTERNATE REFERENCE IS RADIO SHACK'S ENGINEERING NOTEBOOK II"L:" BY FORREST M. MIMS III PAGE 74"M:" SCHEMATIC DIAGRAMS & SPECIFIC FORMULAE ARE IN BOTH"P ,!:"PRESS "ZA$: A$ "" Z.d A$ ( ) Z;n ,:AxGMSl "ENTER V IN ";VI: VI VI ( @"ENTER OUTPUT VOLTAGE DESIRED ";OV VI OV @ OV h OV OV i ,::"FOR AN OUTPUT VOLTAGE OF ";OV;" MAKE R1= ";: "##.##";R1;:" & R2= ";: "##.##";R2;:" K OHMS"R3 (R1R2)(R1R2):"R3= ";: "##.##";R3;:" K OHMS FOR MINIMUM TEMPERATURE DRIFT OR MAY BE OMITTED":"Rsc= 10 OHMS FOR AN OUTPUT CURRENT OF 65 ma"U:"DO YOU WANT A DIFFERENT OUTPUT CURRENT MAXIMUM Yes/No?";C$:s C$ "Y" C$ "y"  C$ "N" C$ "n" "REFER TO PROGRAM [1%RES] ON THIS DISK FOR AVAILABLE PRECISION RESISTOR VALUES" ,!:"PRESS "A$: A$ "" ;: GE:"DO ANOTHER Y/N"TA$: A$ "" o" A$"Y" A$ "y" , A$"N" A$ "n" ,:6  ,!:"PROGRAM ENDED": X : X@ "MAINMENU"(J  ,:"THE PARAMETERS YOU HAVE CHOSEN ARE BEYOND THE NORMAL LIMITS OF THE LM-723!"qT h:" REFER TO THE LINEAR HANDBOOK PAGE 1-110 FOR GUIDANCE."^ ,!:"PRESS [SPACE BAR]"cA$: A$ "" cd A$( ) c : "h:"THE FOLLOWING CALCULATED RESISTORS ARE CONNECTED IN SERIES BETWEEN PINS 6-5-GND.":4m (O,"*"):Hr OV  `| OV fff t OV   OV   R1  : R2 ף@ R1 zd: R2 i R1  : R2  R1 33: R2 GA l:"THE VOLTAGE YOU HAVE SELECTED REQUIRES SOME INPUTS FOR CALCULATION":}R2 OVR1((dR2)(OVR2))OV  OV   OV  @ OV   OV   :R1)\o:R2d#  9@R1 :R2dCJ  YR1 {:R2dc  vR1:R2d  :R2d;R1 ((OVR2)(dR2))dN  "ENTER DESIRED MAXIMUM CURRENT [<150 ma] ";IRS((Iow)D:"Rs= ";: "##.#";RS;:" OHMS FOR A CURRENT OF ";I;" ma"N  :"THE FOLLOWING CALCULATED RESISTORS ARE CONNECTED IN SERIES BETWEEN PINS 3-4-GND.": (O,"*")