Question: 1) Replace R1 with a simple MOSFET current mirror. Find the correct resistance value for RCurrent Mirror to achieve the current shown in Figure 2.

1) Replace R1 with a simple MOSFET current mirror. Find the

1) Replace R1 with a simple MOSFET current mirror. Find the correct resistance value for RCurrent Mirror to achieve the current shown in Figure 2. (10 marks) VDD 12V VDD 12V R3 3, 3ka R2 3.3k VDD 12V R6 310M2 R7 10M2 C1 Q1 Q2 kt Vin_14H 3LNO1C-TB-E C2 H Vin_2 10uF 10uF R4 2M2 R5 2M2 VDD 12V 1: 2.16 mA (p-p): O A l(rms): 2.16 mA (dc) 2.16 mA I(freq): -- R_Current Mirror PR1 Q4 2N7000 Q3 2N7000 Figure 2 - Differential amplifier with current mirror 2) Find the simulated differential mode gain (Avam(current mirror)) and common mode gain Avem (current mirror) for the circuit in Figure 2. (8 marks) 3) Use Ayam(current mirror) and Avem (current mirror) calculate the CMRRfor differential amplifier with a current mirror. (2 marks) 1) Replace R1 with a simple MOSFET current mirror. Find the correct resistance value for RCurrent Mirror to achieve the current shown in Figure 2. (10 marks) VDD 12V VDD 12V R3 3, 3ka R2 3.3k VDD 12V R6 310M2 R7 10M2 C1 Q1 Q2 kt Vin_14H 3LNO1C-TB-E C2 H Vin_2 10uF 10uF R4 2M2 R5 2M2 VDD 12V 1: 2.16 mA (p-p): O A l(rms): 2.16 mA (dc) 2.16 mA I(freq): -- R_Current Mirror PR1 Q4 2N7000 Q3 2N7000 Figure 2 - Differential amplifier with current mirror 2) Find the simulated differential mode gain (Avam(current mirror)) and common mode gain Avem (current mirror) for the circuit in Figure 2. (8 marks) 3) Use Ayam(current mirror) and Avem (current mirror) calculate the CMRRfor differential amplifier with a current mirror. (2 marks)

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