A CMOS inverter utilizes VDD= 5 V, Vtn=-Vtp= 1 V, and 9cnCox= 50 9cA/V2. Find(W/L)n and (W/L)p so that VM= 2.5 V and so that for vI= VDD, the inverter can sink a current of 0.2 mA with the output voltage not exceeding 0.2 V.
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First, we need to find the threshold voltage of the inverter. Since Vtn=-Vtp=1 V, the threshold voltage is Vth=|Vtp|=1 V. Show more…
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Consider a CMOS inverter with the following parameters: nMOS pMOS Vth = 0.6 V Vtp = 0.7 V K'n = 60 ́A/V^2 W/L = 8 K'p = 25 ́A/V^2 W/L = 12 Calculate the noise margins and the switching threshold (Vth) of this circuit. The power supply voltage is VDD = 3.3 V.
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