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Consider CMOS circuit with following parameters $v_{DD}=3.3v,v_{TO}=0.6v,v_{TO},p=-0.7v,K_n=200 \mu A/v^2,K_p=80 \mu A/v^2 $Calculate noise margins of the circuit consider KR=2.5

Subject: Basic VLSI Design

Topic: MOSFET Inverters

Difficulty: High

1 Answer
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Here Kn ≠ Kp

|VT0, n| ≠ |VT0,p|

Therefore, this is an Asymmetric Inverter.

$k_R$ = 2.5 …..given

Step 1: Find VOH

VOH = VDD = 3.3 V

Since Vin = 0 ….. (nMOS – Cutoff, pMOS - conducting)

Therefore, Vout = VOH = VDD = 3.3 V

Step 2: …

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