For the follower circuit in Fig. P7.137, let transistor Q1 have β = 50 and transistor 2 have β = 100, and neglect the effect of ro. Use VBE = 0.7V(a) Find the dc emitter currents of Q1 and Q2. Also, find the dc voltages VB1 and VB2.(b) If a load resistance RL = 1 kΩ is connected to the output terminal, find the voltage gain from the base to the emitter of Q2, , vo/vb2, and find the input resistance Rib2 looking into the base of Q2. (Hint: Consider Q2 as an emitter follower fed by a voltage Vb2 at its base).(c) Replacing Q2 with its input resistance Rib2 found in (b), analyze the circuit of emitter follower Q1 to determine its input resistance Rin, and the gain from its base to its emitter, ve1/vb1(d) If the circuit is fed with a source having a 100 kΩ resistance, find the transmission to the base of Q1, Vb1/Vsig(e) Find the overall voltage gain Vo/Vsig +9 V1 MNQ21 MNO Vo50 μΑ) 5 mARin

As per our rules i did first three questions.

Answered: find the dc voltages VB1 and VB2

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Related questions

Question

For the follower circuit in Fig. P7.137, let transistor Q1 have β = 50 and transistor 2 have β = 100, and neglect the effect of ro. Use VBE = 0.7V

(a) Find the dc emitter currents of Q1 and Q2. Also, find the dc voltages VB1 and VB2.
(b) If a load resistance R_L = 1 kΩ is connected to the output terminal, find the voltage gain from the base to the emitter of Q₂_, , vo/vb2, and find the input resistance R_ib2 looking into the base of Q_2. (Hint: Consider Q₂ as an emitter follower fed by a voltage V_b2at its base).
(c) Replacing Q₂ with its input resistance R_ib2 found in (b), analyze the circuit of emitter follower Q₁ to determine its input resistance R_in, and the gain from its base to its emitter, v_e1/v_b1
(d) If the circuit is fed with a source having a 100 kΩ resistance, find the transmission to the base of Q_1, V_b1/V_sig
(e) Find the overall voltage gain V_o/V_sig

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions