Appendix A: Comparator Simulation and Analysis Environment Settings (Before Post-amplification)

Appendix B: Voltage Comparator Simulation (Before Post-amplification)

Appendix C: Low-battery Level Detector Revision 1 (Fails due to zener diode not having SPICE model)

Appendix D: Figure 27.2 from Text

Appendix D: Figure 27.5 from Text