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\textbf{2.2.3 Questions about the open loop AC Simulation}\\\\  \textbf{1. What are the operating points? At which states (saturation, linear) the transistors are operating?}\\\\  . Initially, all the transistors are operating in saturation state except for transistors M8 and M5, who were in linear state. The transistor M5's dimensions were then tuned to 4 instead of the previous calculation of 3. As a result M5 moved to the saturation state. Hence all the transistors were in saturation, except for M8, which was in linear, as expected. expected.\\  \textbf{2. What is the -3dB frequency of the op amp?}\\\\ amp?}\\  2.006 KHz \\  \textbf{3. What is the DC gain?}\\\\ gain?}\\  75.21 dB\\  \textbf{4. What is the unity-gain frequency?}\\\\ frequency?}\\  18.98 MHz\\  \textbf{5. What are the gain and phase margins?}\\\\ margins?}\\  Gain Margin = 26.33 dB \\  Phase Margin = 180-60.477=119.5 degrees\\  \textbf{6. How the results agree with the calculations? You can for example make a comparison table to the final report.}\\\\