Question

solve the problem, thks

1. (5 pts) When performing the DC analysis of the circuit below would it be valid to assume that VBE=0.7 Volts for all transistors? Why or why not? If not for which transistor(s) would it be invalid? C ON The Meraw. com Fig. P11.29 Perm +10 V -TT -10V 2. (5 pts) For the circuit of problem 1 which current is greater 11 or IQ? Why?

Answer 1

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@ 1,5 Lct B B. NOTE NOTE: 2 YIc where Ica qBt It I cs 18 Y Ic Y TE . from above concept {Q=&c. 1,- Iq+ 21 = 108 **] 21= 10 [ 148] h . is Greater than IQ. If we consider ß is very large their I ~ Ia ( This į called current Mirror Circuit). [ Q3 & du] NBC - -A 4 a. To opelale ON o operate the transistor to be on,:D, should be on. The Diode a, is on when greatel than (or) equal to voltage alooss is Vocal-in voltage) . Vy s VBE = +0. I VoltS.