A CMOS inverter with the voltage transfer characteristics. The inverter is matched. Given VI=2.7 V, Vtn=0.8 V and Vtp=-0.8 V. 1- Determine the values of V2, V3, V4 and V5. 2- What is the value of the current passing in the inverter if 0 < VI < V4? 3- What is the region of operation of QP at VI > V2? 4- What is the region of operation of QP at VI = V1? 5- What is the region of operation of QP and QN at VI = V6?
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![The technology parameters are: λ(NMOS) = λ(PMOS) = 0 V−1;γ = 0, VDD = 3.3 V, VTH(NMOS) = |VTH (PMOS)| = 0.5 V, μnC0 x = 0.1 mA/V2, μpCox = 0.05 mA/V2, and C0 x = 5 fF/μm2. Assuming the transistor sizes are: L1 = 0.5 μm, L2 = 4 μm, W1 = 5 μm, and W2 = 20 μm, and furthermore, Vbies = 0.8 V : a) What is the region of operation of each transistor? [8 marks] b) If the input signal, Vin , is a step function with a small magnitude of 10 mV (i. e. , Vin abruptly changes from 0 V to 10 mV at time t = 0 ), what is Vout (t) for t ≥ 0 ? [12 marks] Note: If you need to consider a device capacitance, only take into account the gate](https://www.doubtrix.com/uploads/editor/2037792663mRAbUoPfzc.png)
