Hello, I am trying to make sense of some data I just read in a text-book regarding transistor gain (hfe).
From what I've always understood, hfe = ΔIc / ΔIb . Correct?
In this text-book, it states that hfe can be measured as a ratio of input current (Ib) to output current (Ie). As I thought about it, it made sense but surely BOTH can't be correct? So, is hfe the measured ratio of collector current to base current (Ic / Ib) or Emitter current to base current (Ie / Ib)?
From what I've always understood, hfe = ΔIc / ΔIb . Correct?
In this text-book, it states that hfe can be measured as a ratio of input current (Ib) to output current (Ie). As I thought about it, it made sense but surely BOTH can't be correct? So, is hfe the measured ratio of collector current to base current (Ic / Ib) or Emitter current to base current (Ie / Ib)?