Question

QUESTION 1 Consider the following circuits (a)-(d). The results of some measurements are indicated on the figures. Find the values of the other labeled currents, voltages, and/or resistor values. Consider the voltage difference between Base and Emitter is 0.7V (the constant voltage model), and the current gain $\beta$ = 80. (a) Rc = kohms, Ic = kohms, Vb = mA. (b) Rc = V. (c) Ic = mA, Vce = V. (d) Ib = $\mu$A, Vc = V. +10 V $I_C$ $R_C$ Copyright© The McGraw-Hill Companies, Inc. Permission required for reproduction or display. +5 V +8 V +5 V + $V_B$ $V_{CE}$ = 4 V $R_E$= 5 k$\Omega$ $R_B$= 25 k$\Omega$ $I_Q$ = 0.5 mA $R_C$ -10 V (a) -5 V (b) $V_C$ = -1 V $I_C$ $R_C$= 4 k$\Omega$ $R_B$ = 10 k$\Omega$ $V_{CE}$ $R_E$= 4 k$\Omega$ -8 V (c) $R_C$ = 10 k$\Omega$ $R_B$ = 20 k$\Omega$ $V_C$ (d) $R_E$ = 2 k$\Omega$

          QUESTION 1
Consider the following circuits (a)-(d). The results of some measurements are indicated on the figures. Find
the values of the other labeled currents, voltages, and/or resistor values. Consider the voltage difference
between Base and Emitter is 0.7V (the constant voltage model), and the current gain $\beta$ = 80. (a) Rc = 
kohms, Ic = 
kohms, Vb = 
mA. (b) Rc = 
V. (c) Ic = 
mA, Vce = 
V. (d) Ib = 
$\mu$A, Vc = 
V.
+10 V
$I_C$
$R_C$
Copyright© The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
+5 V
+8 V
+5 V
+
$V_B$
$V_{CE}$ = 4 V
$R_E$= 
5 k$\Omega$
$R_B$= 
25 k$\Omega$
$I_Q$ = 
0.5 mA
$R_C$
-10 V
(a)
-5 V
(b)
$V_C$ = -1 V
$I_C$
$R_C$= 
4 k$\Omega$
$R_B$ = 10 k$\Omega$
$V_{CE}$
$R_E$= 
4 k$\Omega$
-8 V
(c)
$R_C$ = 10 k$\Omega$
$R_B$ = 20 k$\Omega$
$V_C$
(d)
$R_E$ = 2 k$\Omega$

QUESTION 1
Consider the following circuits (a)-(d). The results of some measurements are indicated on the figures. Find
the values of the other labeled currents, voltages, and/or resistor values. Consider the voltage difference
between Base and Emitter is 0.7V (the constant voltage model), and the current gain β = 80. (a) Rc =
kohms, Ic =
kohms, Vb =
mA. (b) Rc =
V. (c) Ic =
mA, Vce =
V. (d) Ib =
μA, Vc =
V.
+10 V
IC
RC
Copyright© The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
+5 V
+8 V
+5 V
+
VB
VCE = 4 V
RE=
5 kΩ
RB=
25 kΩ
IQ =
0.5 mA
RC
-10 V
(a)
-5 V
(b)
VC = -1 V
IC
RC=
4 kΩ
RB = 10 kΩ
VCE
RE=
4 kΩ
-8 V
(c)
RC = 10 kΩ
RB = 20 kΩ
VC
(d)
RE = 2 kΩ

Added by Jill S.

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