**Common Data :**** V _{DD} = 1.8V , L_{min} = 0.18µm, µ_{0N} = 350cm^{2}/V s, µ_{0P} = 100cm^{2}/V s,
|V_{TH} | = 0.55, t_{ox} = 3.8nm, λ = 0.07V^{−1}, χ = 0.1.**

**Common Data :**** V _{DD} = 1.8V , L_{min} = 0.18µm, µ_{0N} = 350cm^{2}/V s, µ_{0P} = 100cm^{2}/V s,
|V_{TH} | = 0.55, t_{ox} = 3.8nm, λ = 0.07V^{−1}, χ = 0.1.**

1. Calculate the unloaded voltage gain and output resistance of the circuit in Fig.13 Assume Ignore body effect.

Figure 13: Figure for Question 1

2. Derive the expression for and for the p-channel input differential amplifier.

3. Design the current and of the current mirror load differential amplifier to satisfy the following specification slew rate and a small signal gain of and

4. For a folded cascode current mirror differential amplifier shown in Fig.14 assume for all the transistors .

- Find the maximum input common mode voltage and the minimum com- mon mode voltage
- What is the ICMR?
- Find the small signal gain
- If a capacitor is connected from the output to ground, what is the frequency for in hertz .

Figure 14: Figure for Question 4

5. Consider the NMOS and PMOS input stages as shown in Fig. 15. Given that ans the saturation voltages of the current sources is also determine

- The common input range of the P channel input pair
- The common input range of the N channel input pair
- The common input range of the complementary input stage shown in Fig. 16

Figure 15: Figure for Question 5