Question

Vce Vec RI Vi ci HH QI C2 Vo R2 RL Partial Representation Darlington Emitter Follower of CE Amp Fig. 1.3 Q. 1.3. (CLO 1(C4)) (4) For the CE amplifier in Fig. 1.3. Vcc is 12V, Rc is 1k12, re' is 52. For the Darlington pair, Ri is 10k 2. R2 is 22k 2. RL is 82. Vcc is 12V and B is 100 for each Q. Neglect input impedance of base. Investigate the Av of the CE amplifier. Av of Darlington pair, overall Ay of the complete package and Av if CE amplifier drives the speaker.

Answer 1

Given circuit is Vic BY cc" RI Q1 Vi 3 사 ܢܝܕܐ. R2 VO RE RL Partial representation of CE Darlington Emitter follower Amplifier for CE amplifier Va a 12v Re re=50 pkan for darlington pain Ri= lokn, R2 = 22kr = 22kr ,RL = 84 Vec : 12 V B 210-07). Solution : RE/IRL ~RL 3 82 al set Re = (RE is not given) emitter follower Rincbare) of darlington 13² (Retro) 100%( 8+5) = Bokh Rinitot) Roll Rz ll Rin (base) 10/1 22 / 136 6.529 ka Av of coE Amplifrer Rc re' 200 5 All of darlington Re Retro 0-6153 8+5 200* 016153 : Overall voltage voltage gain Scanned with CamScanner CS 12 3.06