1. Do the two driver circuits produce a stable and predictable LED current in spite of changes in beta?
2. The circuit of Figure 16.3.2 is stated to be a saturating switch. How do the data of Table 16.5.2 confirm this statement?
3. The circuit of Figure 16.3.3 is stated to be a non-saturating current source. How do the data of Table 16.5.3 confirm this statement?