What is the minimum power-supply voltage that can be used for the comparator in Fig XXXXXXXXXXif the current source and the resistive loads both require 0.4 V across them? You may assume that for the...

What is the minimum power-supply voltage that can be used for the comparator in Fig. 10.28 if the current source and the resistive loads both require 0.4 V across them? You may assume that for the bipolar transistors . 3σ AVt0 = 4 mV⋅μm AK' = 0.01 μm 0.1 mA VCE-sat = 0.3 V