Region 1 is the low-current region, where β decreases as Ic decreases,
Region 2 is the midcurrent region, where β is approximately constant,
Region 3 is the high-current region, where β decreases as Ic increases.
While ideally β is always constant.
- Why does this "effect" occurs?
- If collector current increases/decreases then base current also increases/decreases for proportional amount, right? Then β should be always constant
- Is this β dependence on operating conditions significant when talking about small or large signal model?