Question

Problem 4 +5 volts a) Find Ic1, Ic2, and Ic3. You may neglect all b) Find the resistance looking into the base of 10 m c) Find the small signal voltage gain Vout/Vin d) What is the approximate DC value of Vx? base currents. transistor Q1. (Hint: use the results of (b)!) Q1 +Vin C=infinite 200 for all transistors Beta 50 ohms Vout Q2 Q3 5 volts

Answer 1

+5V 50R Llom て叫 rd Bt2 2 0 2 o (negligible に"(

Ic R6 10552.5-10-5525 k SL Vo 10x03x50 00 O .(3.5+50) X o eol = 52.5x102 三 0-952 5.5X102 ,分