4.0 mA +10 V UCE() 6.7 V Rc VRE = 0.717 V 3.3 k2 3.0 mA B= 30 μΑ %3D Vce (1) ic 3.3 V VBE = 0.708 V 2.0 mA Vbe(1) IR = 20 µA UCE 4BE) VBE = 0.700 V 3= 15 μΑ VBE = 0.692 V 15-10 μΑ 0.708 V Q-point Upe U BE 1.0 mA 0.700 V 0.700 V VBE Load line %3D 0,692 V - OV 4 V 10 V 12 V Collector-emitter voltage (a) (b) Figure 13.1 (a) BJT biased in the active region by the voltage source VBE. A small sinusoidal signal voltage v, is applied in series with VBE and generates a similar but larger amplitude waveform at the collector; (b) load-line, Q-point, and signals for circuit of Fig. 13.1(a). is Collector curre nt

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
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(a) Suppose υbe(t) = 0.005 sin 2000πt V in the bipolar amplifier as shown . Write expressions for υbe(t), vce(t), and υCE(t). (b) What is the maximum value of IC that corresponds to the active region of operation?

4.0 mA
+10 V
UCE()
6.7 V
Rc
VRE = 0.717 V
3.3 k2
3.0 mA
B= 30 μΑ
%3D
Vce (1)
ic
3.3 V
VBE = 0.708 V
2.0 mA
Vbe(1)
IR = 20 µA
UCE
4BE)
VBE = 0.700 V
3= 15 μΑ
VBE = 0.692 V
15-10 μΑ
0.708 V
Q-point
Upe
U BE
1.0 mA
0.700 V
0.700 V
VBE
Load line
%3D
0,692 V -
OV
4 V
10 V
12 V
Collector-emitter voltage
(a)
(b)
Figure 13.1 (a) BJT biased in the active region by the voltage source VBE. A small sinusoidal signal voltage v, is applied
in series with VBE and generates a similar but larger amplitude waveform at the collector; (b) load-line, Q-point, and signals
for circuit of Fig. 13.1(a).
is
Collector curre nt
Transcribed Image Text:4.0 mA +10 V UCE() 6.7 V Rc VRE = 0.717 V 3.3 k2 3.0 mA B= 30 μΑ %3D Vce (1) ic 3.3 V VBE = 0.708 V 2.0 mA Vbe(1) IR = 20 µA UCE 4BE) VBE = 0.700 V 3= 15 μΑ VBE = 0.692 V 15-10 μΑ 0.708 V Q-point Upe U BE 1.0 mA 0.700 V 0.700 V VBE Load line %3D 0,692 V - OV 4 V 10 V 12 V Collector-emitter voltage (a) (b) Figure 13.1 (a) BJT biased in the active region by the voltage source VBE. A small sinusoidal signal voltage v, is applied in series with VBE and generates a similar but larger amplitude waveform at the collector; (b) load-line, Q-point, and signals for circuit of Fig. 13.1(a). is Collector curre nt
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