Question

Determine Av for the following circuit. +15 V Rc C 2.2 k 22 kΩ Ci Boc 90 β-100 R2 4.7 kΩ 1.0 k12 AS Determine Ap of the emitter-follower in the figure below. Assume (beta 175) Vce +10 V 18 kn Ci 2N3904 I V rms C2 10 pF 1.0kΩ 10kn Fint eo r gure below (beta 250) Cc +10 V Rc 2.2kD Ri 2N3904 okn 100 pF R 2k010kn

Answer 1

9 D AC Analyst Pac loo 6- Rc asm- = 13.88 s), Ie Av = Re IK 13.8

→ In given cf.u cuft Inputs at bao ed output is Emitter invesusion →theue is no input t outpw → Input Hes?sta nce s high, oud put Resistance 莎 Loco 3 so, maximum theoniti ccdVol tage gain → Ap= Av . At → Ts calculate Ai : in Rit R2 1& HK RitR 5-0.7 e. ac(ケ 1 V Ri n o, o mA

乗(C) Fox Common Base AmpPf er g- 12 KS2 xlov TH 56 k 12K → These f ort e , as mv 24.5sn. JE → To calculate vo It tuge gain®. Rc = Re ll RL - Q.ekS2!! loks2=l.8kS2 24.5 S 91 e. So, voltage ain s 13.S.