Consider the simplified operational amplifier schematic in Figure C2. O VB1 11 M8 M9 M10 M11 M3 M4 +IN X O -IN X M5 VB2

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Consider The Simplified Operational Amplifier Schematic In Figure C2 O Vb1 11 M8 M9 M10 M11 M3 M4 In X O In X M5 Vb2 1 (70.28 KiB) Viewed 34 times

Consider the simplified operational amplifier schematic in Figure C2. O VB1 11 M8 M9 M10 M11 M3 M4 +IN X O -IN X M5 VB2 M12 M14 M16 O OUT M1 M2 M13 M7 M6 M15 Figure C2. (a) The amplifier is identified as being a Rail-to-Rail Input design. Observing the schematic and making reference to the components that make up the input stage of the transistor, explain what is being meant by Rail-to-Rail Input (<50 words), how this functionality is achieved (<50 words) and what are the application benefits of such a design. (<50 words) [20%] (b) The voltage source VB2 schematically takes the place of a more complex circuit. Explain the principal functional purpose of this circuit and the desirability of Class AB operation for the output stage. (<100 words) M17