A cmos op amp with the topology shown in fig is designed to


A CMOS op amp with the topology shown in Fig. is designed to provide Gm1 = 1 mA/V and Gm2 = 5 mA.

(a) Find the value of CC that results in ft = 80 MHz.

(b) What is the maximum value that C2 can have while achieving a 70°phase margin?

1788_topology.png

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