2.a) Calculate Ay, A¡, Rin, and Rout on the circuit given in Figure 2. Assume that the coupling capacitors, Cc; and Cco, behave as open circuit for DC signals and as short circuit for AC signals. 2.b) Determine limits of the signal source, Vs, for the transistor to remain in forward- active region. (Hint: AC current on R, will be added onto the quiescent emitter current.) Vcc=15V Q1: BC237 RB 220KQ or BC238 B=200 VBE(on)=0.7V Rs Cci 1000 4.7µF vs RE 1.2kQ Cco RL 4.7μF 1000 Rin Rout Figure 2. Common-collector amplifier (emitter follower).
2.a) Calculate Ay, A¡, Rin, and Rout on the circuit given in Figure 2. Assume that the coupling capacitors, Cc; and Cco, behave as open circuit for DC signals and as short circuit for AC signals. 2.b) Determine limits of the signal source, Vs, for the transistor to remain in forward- active region. (Hint: AC current on R, will be added onto the quiescent emitter current.) Vcc=15V Q1: BC237 RB 220KQ or BC238 B=200 VBE(on)=0.7V Rs Cci 1000 4.7µF vs RE 1.2kQ Cco RL 4.7μF 1000 Rin Rout Figure 2. Common-collector amplifier (emitter follower).
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...
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Transcribed Image Text:2.a) Calculate Ay, Aj, Rin; and Rout on the circuit given in Figure 2. Assume that the
coupling capacitors, Ccj and Cco, behave as open circuit for DC signals and as short
circuit for AC signals.
2.b) Determine limits of the signal source, Vs, for the transistor to remain in forward-
active region. (Hint: AC current on R will be added onto the quiescent emitter
current.)
Q1: BC237
or BC238
B=200
VBE(on)=0.7V
Vcc=15V
RB
220KQ
Cci
Rs
1000 4.7µF
Q1
Vs
RE
1.2kQ
Cco
4.7µF
RL
1000
Rin
Rout
Figure 2. Common-collector amplifier
(emitter follower).
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