Op Amp Gain Stage Calculator

Problem:
How can I determine the best set of resistors for an op amp gain stage?

Solution:
Use the Javascript calculator below. It can be used to design both inverting and non-inverting gain stages.
 
Circuit Architecture :
Enter Desired Gain :
Select Resistor Sequence :
Select Resistor Scale (Ohms) :
Correct for Open Loop Gain? :
Optional - Open Loop Gain (dB) :
 
Rf (Ohms)Rg (Ohms)
 
Actual Gain :
Error (%) :
 

Inverting Architecture

     

Non-Inverting Architecture

     

NOTES

  1. Calculator version 2, 5-14-2003
  2. Javascript compatibility: IE6+, Netscape 6+, Mozilla 1.3+, Opera 7+.
  3. For op amp circuits containing gains with offset - use Texas Instruments "Op-Amp PRO"
  4. Different sets of resistor values may lead to the same identical lowest error. Up to 10 sets of resistors may be presented, or as few as one. More than 10 sets of resistors may produce the same lowest error, but only the first 10 will be presented. All sets will produce identical lowest error when used.
  5. Quantization errors in resistor values are inherent to Javascript. Results should be interpreted to the nearest standard value when a quantization error appears.