For the emitter-follower (common- collector) amplifier circuit shown in Fig. 1, determine: (a) Voltage gain, A, =V,/Vi, (b) Current gain, A;=1,/I; (c) Inputimpedance, Z;, and (d) Output impedance, Z,. Assume that: B =hp=100, r.=30€Q, and h;, = f.r. =3 kQ. Hint: Solve the homework and draw the ac equivalent circuit by using r. or h model. For the emitter-follower (common-collector) amplifier circuit shown inFig. 1, determine:+VccR,120k2Cs(a) Voltage gain, A, = V/Vi,(b) Current gain, A; = 1JI;(c) Input impedance, Z, and(d) Output impedance, Zo.CcAssume that:R,30k2+RE 2.2k2V.B = hje = 100,re= 30 2, and hje = B.r. = 3 kQ.Hint: Solve the homework and drawFig. 1the ac equivalent circuit by usingre or h model.

In an emitter follower, the input is applied at the base terminal and the output is taken at the…

Answered: For the emitter-follower (common-…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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For the emitter-follower (common- collector) amplifier circuit shown in Fig. 1, determine: (a) Voltage gain, A, =V,/Vi, (b) Current gain, A;=1,/I; (c) Inputimpedance, Z;, and (d) Output impedance, Z,. Assume that: B =hp=100, r.=30€Q, and h;, = f.r. =3 kQ. Hint: Solve the homework and draw the ac equivalent circuit by using r. or h model.

For the emitter-follower (common-
collector) amplifier circuit shown in
Fig. 1, determine:
+Vcc
R,120k2
Cs
(a) Voltage gain, A, = V/Vi,
(b) Current gain, A; = 1JI;
(c) Input impedance, Z, and
(d) Output impedance, Zo.
Cc
Assume that:
R,30k2
+
RE 2.2k2
V.
B = hje = 100,
re= 30 2, and hje = B.r. = 3 kQ.
Hint: Solve the homework and draw
Fig. 1
the ac equivalent circuit by using
re or h model.

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