Question

Fr the ar cwit belaw fnd and sketd the travsfer fnction So us. Ui .(309 NOTE: ASSme the dho des pI Dz ave D2 ideaf with cnstant DI Ni ve Hase modl oon OV 2. (4o%For the aupli fi balow find (a) Ri, (b) Ro, (c) G= /u; NOTE: Asseme is infini te (=1) aud ai Q2 K are in ctt ctt ACTIVE vegion RE () For the amplifior belew fud the max 3. out put voHas 5o befre the tran sastor leaves ACTIVE rezion NOTE: Assume fruite (Rand the Vias of Q places it in active resion +Vec Vmax Ys cHf Vmiu I SMALL S1GNAL MODE L BONUS: (lo7) Fnd Ri C Assume foa0 in NOTE all problens

Answer 1

RinRo 9m Vber Vout R ie Rin R'= ( (YetRE (IP)(YejtR Rin- Vetie Be t icke 2 Ro Yeat

(a) Small signal ecdel Vo hYe VD NoRLVo) . Voj= -9mbe, Rc Rthy Rc VT Vin Noi Va Vin RL. Rtb RC S=Vo - Ye2 t

Small signal meded Vo / Re B Vin Ys t Ystt Manimun oulput o/kage (Vemau) (RelIR) Vin eMat mYstRis, age (bmin) Minimum Vutpie Rel/R) Vin (oY) Ve T R Vo

fmal signal mo del Rin gm VIT Viest= V gmt Rin- 자er