Question

state the gain

ㄳ R, R3 Vy Inn 히에 NA O

Answer 1

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Soli Given tox som - 6x107 cm Mnt 460cm /vs, VE2 0.58 = €. (a) Cox oxide cap. area = 7. Alcma Go for sio 2 - 3.7 €. 2 8.85x15th F/cm 885x10'' x 3-7 6x107 = 5.45x107 F/cm². ANS Process transconductance parameter 2 Nn Cox (b) = 460 cm x 5.48x10 - 2507x107 Alva 2 250.7 mA/? ID 0.8mA for saturation region - Io a berto ( Vas - Vt) ? vas-Ve = Vor Overdeire voltage Now putting values 0.8m = 250.74 sm (vas - 0.5) 0.254 Vas-0.5 = 0.326 e vov :) Vas = 0.826 V ANSI Vor = Vas - Vt = 0.3 26 V. tans saturation is when (vas - Vt) is the Vos > Nas Vt) VDsmin > Vor Vos min = 0.326v Vos min for

The mos is behaving as lincar resustor of soos " un cox na Vas Ut) kw you 500 = 1 250.7m x 15 Vov 0.25 2) Vov = 0.132 0.665 v . ANS Vor= Vas-Ve => Vas a vort ve O132 = 0.665 PO.S z +-+65 + . AND 0.632 Delay at node ② = Go Roa + Cc Rena+ Ce Re-a + C₂ R2-a + Cd Rc.a + C, Rc-a = C (3R) + 2C (28+3R) + 3C (2R+ 2R + 3R) + 2C1R+ 2R + 2B + 3R) + 20 (2B+ 3R) + 40(2R + 3R) = 3RC & IORC ORC + 16RC + 10 RC +20RC = 80RC JANS

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