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3.2 +I 4,0 Omv T T 20K Ez 5k 2 T4pF 5k 2 5k 2pF Equiv. Cirfor T 9m = 2.5 mmho a. Find Elmore's rise time TR for the amplifier above if the gain is defined as E2/E1. b. If you could use as many devices (stages) as you wanted to realize a gain E2/E10) = 100, what is the best rise time that you could obtain? What is the solution to Prob. 3.2a (two stage amplifier) if the device equivalent circuit contains a Cf = 1 pF? c. ANS: 63.4 ns, 30.1 ns, 183 ns 3.2 +I 4,0 Omv T T 20K Ez 5k 2 T4pF 5k 2 5k 2pF Equiv. Cirfor T 9m = 2.5 mmho a. Find Elmore's rise time TR for the amplifier above if the gain is defined as E2/E1. b. If you could use as many devices (stages) as you wanted to realize a gain E2/E10) = 100, what is the best rise time that you could obtain? What is the solution to Prob. 3.2a (two stage amplifier) if the device equivalent circuit contains a Cf = 1 pF? c. ANS: 63.4 ns, 30.1 ns, 183 ns