opamp voltage bias question.? Answered
Hello. i have a question about voltage bias.In some schematic of opamp use single power source , they use R1=R2 to make voltage bias (please see the example bellow) . But the value of R1 and R2 in other schematic i found are diffirent (R1=R2=100k or R1=R2=47k ,.... etc) How did they effect the circuit ?
Thanks for advance !
sorry for my bad English .