Ive built my range master and have a new multimeter and want to learn how to check bias .can some one run thru the steps .also if Im under or over biased how do I determine resistor values to change to thanks gd :lol:
Everything's there in R.G.'s PDF on how to check bias and how to tune the Rangemaster.
It's fantastic:
http://geofex.com/Article_Folders/Rangemaster/atboost.pdf
Page 4.