
2.3 The internal circuit of a particular op amp can be modeled by the circuit shown in Fig. E2.3. Express v3 as a function of v1 and v2. For the case Gm = 20 mA/V, R = 5 kΩ, and μ = 50, find the value of the open-loop gain A.
2.3 The internal circuit of a particular op amp can be modeled by the circuit shown in Fig. E2.3. Express v3 as a function of v1 and v2. For the case Gm = 20 mA/V, R = 5 kΩ, and μ = 50, find the value of the open-loop gain A.