The following circuit uses the Op Amp TL081. The open-loop transfer function is shown in the plot below Vout Rf 4 R Vin with AVD-Large-Signal Differential Voltage Amplification 106 105 104 103 10 101 1 1 Phase Shift Vcc=5 V to +15 V RL= 2 kQ TA= 25C Differential Voltage Amplification 0 a) The Open-Loop transfer function b) The Closed-Loop transfer function c) The Closed-Loop -3dB frequency (bandwidth) of the total amplifier Hint: The unity gain bandwidth is 3MHz. 45 90 135 180 10 100 1k 10 k 100 k 1 M 10 M f-Frequency - Hz Phase Shift Figure 6-47. Large-Signal Differential Voltage Amplification and Phase Shift vs Frequency Assuming that Rf = 18kN, and R = 2ks and that the TL081 behaves ideally except for its voltage gain. Find: [5 points] [5 points] [10 points]