Q2. A common-emitter amplifier circuit and its voltage transfer characteristic curve are shown in Fig. 1(c). Assume that the transistor common emitter current gain B = 120 and VBE (on) = 0.7 V. Determine the input voltage at the point X, such that the transistor goes to Vce (sat). Vcc = 20 V Vo(V) Cutoff Vec Rc= I 3 14 kn Rp= 120 k2 o Vo Active V, ow VCE VBE (on) Vee (sat) = 1v Saturation 0 VeE (on) X v(V) Fig. 1(c)
Q2. A common-emitter amplifier circuit and its voltage transfer characteristic curve are shown in Fig. 1(c). Assume that the transistor common emitter current gain B = 120 and VBE (on) = 0.7 V. Determine the input voltage at the point X, such that the transistor goes to Vce (sat). Vcc = 20 V Vo(V) Cutoff Vec Rc= I 3 14 kn Rp= 120 k2 o Vo Active V, ow VCE VBE (on) Vee (sat) = 1v Saturation 0 VeE (on) X v(V) Fig. 1(c)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Transcribed Image Text:Q2. A common-emitter amplifier circuit and its voltage transfer characteristic curve are shown in
Fig. 1(c). Assume that the transistor common emitter current gain B = 120 and
VBe (on) = 0.7 V. Determine the input voltage at the point X, such that the transistor goes to
Vce (sat).
Vcc = 20 V
Vo(V)
Cutoff
Vcc
Rc=
1.4 k2
Rp=
120 k2
o Vo
Active
V, oww
VCE
VBE (on)
Vee (sat) =
1v
0 Ver (on) X
Saturation
v,(V)
Fig. 1(c)
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