op amp question

Thread Starter

prescott2006

Joined Nov 8, 2008
72
i am doing 1 question on op amp design.it is a differential amplifier connect in common mode.all value of resistor are given except feedback resistor,then it ask "complete the design by choosing a feedback resistor such that output will not be affected by the common mode output."
i not sure what this statement mean.anyone can help me?:confused:
 
Top