Design the CMOS cascode amplifier in Fig. 8.33 for the following specifications: gm1 = 1
Chapter 8, Problem 8.67(choose chapter or problem)
Design the CMOS cascode amplifier in Fig. 8.33 for the following specifications: gm1 = 1 mA/V and Av = 280 V/V. Assume that for the available fabrication process, V A = 5 V/m for both NMOS and PMOS devices and that nCox = 4 pCox = 400 A/V2 . Use the same channel length L for all devices and operate all four devices at VOV = 0.25 V. Determine the required channel length L, the bias current I, and the W/L ratio for each of four transistors. Assume that suitable bias voltages have been chosen, and neglect the Early effect in determining the W/L ratios.
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