Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
9th Edition
ISBN: 9781259989452
Author: Hayt
Publisher: Mcgraw Hill Publishers
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Textbook Question
Chapter 3, Problem 12E
For the circuit of Fig. 3.55 (which employs a model for the dc operation of a bipolar junction transistor biased in active region), IC is measured to be 1.5 mA. Calculate IB and IE.
FIGURE 3.55
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Example 3.1
nje (in claku sheet.
1/
The transistor in the circuit (a) has ß=100 and VBE=0.7V @ ic-1mA. Design the
circuit so that a current of 2mA flows through the collector and a voltage of +5V
appears at the collector, i.e. determine the values of RC and RE for the circuit
(5k2 and 7k).
+15 V
2MA
OV
(a)
10V
+5V
Rc
-0.70
-15 V
RE
210TEWODU2MDM0/a/Mjg2ODQOMZMyOTc3/details
202
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3. The network of Figure below is the basic biasing arrangement for the field-effect transistor (FET), a
device of increasing importance in electronic design. (Biasing simply means the application of de
levels to establish a particular set of operating conditions.) Even though you may be unfamiliar with
the FET, you can perform the following analysis using only the basic laws introduced in your lectures
and the information provided on the diagram.
a. Determine the voltages VG and Vs.
b. Find the currents I, 12, Ip, and Is.
c. Determine Ds.
d. Calculate V DG:
VDD = 16 V
오
ID
R1
2 MO
RD
C2.5 kfl
OD
G
I IG
I'Gs =-1.75 V
I6 = 0 A
Ip Is
R
270 kf?
Is
Rs 15 k2
ctivate
Page 1 2
o to Setti
: For the given circuit, transistors and diodes are silicon where VD₁=VD2=0.7V
and |VBE|=0.7V. Neglect base currents.
a) Calculate VB1, VB2 which are base to ground DC voltages of Q1 and Q2, respectively
b) Calculate the power generated by source
c) Calculate the maximum power delivered to load and conversion efficiency
Show your calculations step by step and fill the table. (Or you can draw the same
table in your answer sheet).
No
▷
D₁
D₂
1K
Q₁
+20V
C
HH
RL=1002
a) VB₁[V]
VB2 [V]
b) PDC [W]
c) PL[W]
Efficiency
Chapter 3 Solutions
Loose Leaf for Engineering Circuit Analysis Format: Loose-leaf
Ch. 3.2 - 3.1 (a) Count the number of branches and nodes in...Ch. 3.3 - Determine ix and vx in the circuit of Fig. 3.7....Ch. 3.3 - For the circuit of Fig. 3.9, if vR1=1V, determine...Ch. 3.3 - Determine vx in the circuit of Fig. 3.11.Ch. 3.4 - In the circuit of Fig. 3.12b, vs1 = 120 V, vs2 =...Ch. 3.4 - 3.6 In the circuit of Fig. 3.14, find the power...Ch. 3.5 - Determine v in the circuit of Fig. 3.16.Ch. 3.5 - For the single-node-pair circuit of Fig. 3.18,...Ch. 3.6 - Determine the current i in the circuit of Fig....Ch. 3.6 - Determine the voltage v in the circuit of Fig....
Ch. 3.6 - Determine whether the circuit of Fig. 3.25...Ch. 3.7 - 3.12 Determine a single-value equivalent...Ch. 3.7 - 3.13 Determine i in the circuit of Fig. 3.29....Ch. 3.7 - Determine v in the circuit of Fig. 3.31 by first...Ch. 3.7 - 3.15 For the circuit of Fig. 3.33, calculate the...Ch. 3.8 - 3.16 Use voltage division to determine vx in the...Ch. 3.8 - In the circuit of Fig. 3.40, use resistance...Ch. 3 - Referring to the circuit depicted in Fig. 3.45,...Ch. 3 - Referring to the circuit depicted in Fig. 3.46,...Ch. 3 - For the circuit of Fig. 3.47: (a) Count the number...Ch. 3 - For the circuit of Fig. 3.47: (a) Count the number...Ch. 3 - Refer to the circuit of Fig. 3.48, and answer the...Ch. 3 - A local restaurant has a neon sign constructed...Ch. 3 - Referring to the single-node diagram of Fig. 3.50,...Ch. 3 - Determine the current labeled I in each of the...Ch. 3 - In the circuit shown in Fig. 3.52, the resistor...Ch. 3 - The circuit of Fig. 3.53 represents a system...Ch. 3 - In the circuit depicted in Fig. 3.54, ix is...Ch. 3 - For the circuit of Fig. 3.55 (which employs a...Ch. 3 - Determine the current labeled I3 in the circuit of...Ch. 3 - Study the circuit depicted in Fig. 3.57, and...Ch. 3 - Prob. 15ECh. 3 - For the circuit of Fig. 3.58: (a) Determine the...Ch. 3 - For each of the circuits in Fig. 3.59, determine...Ch. 3 - Use KVL to obtain a numerical value for the...Ch. 3 - Prob. 19ECh. 3 - In the circuit of Fig. 3.55, calculate the voltage...Ch. 3 - Determine the value of vx as labeled in the...Ch. 3 - Consider the simple circuit shown in Fig. 3.63....Ch. 3 - (a) Determine a numerical value for each current...Ch. 3 - The circuit shown in Fig. 3.65 includes a device...Ch. 3 - The circuit of Fig. 3.12b is constructed with the...Ch. 3 - Obtain a numerical value for the power absorbed by...Ch. 3 - Compute the power absorbed by each element of the...Ch. 3 - Compute the power absorbed by each element in the...Ch. 3 - Kirchhoffs laws apply whether or not Ohms law...Ch. 3 - Referring to the circuit of Fig. 3.70, (a)...Ch. 3 - Determine a value for the voltage v as labeled in...Ch. 3 - Referring to the circuit depicted in Fig. 3.72,...Ch. 3 - Determine the voltage v as labeled in Fig. 3.73,...Ch. 3 - Although drawn so that it may not appear obvious...Ch. 3 - Determine the numerical value for veq in Fig....Ch. 3 - Determine the numerical value for ieq in Fig....Ch. 3 - For the circuit presented in Fig. 3.76. determine...Ch. 3 - Determine the value of v1 required to obtain a...Ch. 3 - (a) For the circuit of Fig. 3.78, determine the...Ch. 3 - What value of IS in the circuit of Fig. 3.79 will...Ch. 3 - (a) Determine the values for IX and VY in the...Ch. 3 - Determine the equivalent resistance of each of the...Ch. 3 - For each network depicted in Fig. 3.82, determine...Ch. 3 - (a) Simplify the circuit of Fig. 3.83 as much as...Ch. 3 - (a) Simplify the circuit of Fig. 3.84, using...Ch. 3 - Making appropriate use of resistor combination...Ch. 3 - Calculate the voltage labeled vx in the circuit of...Ch. 3 - Determine the power absorbed by the 15 resistor...Ch. 3 - Calculate the equivalent resistance Req of the...Ch. 3 - Show how to combine four 100 resistors to obtain...Ch. 3 - Prob. 51ECh. 3 - Prob. 52ECh. 3 - Prob. 53ECh. 3 - Prob. 54ECh. 3 - Prob. 55ECh. 3 - Prob. 56ECh. 3 - Prob. 57ECh. 3 - Prob. 58ECh. 3 - Prob. 59ECh. 3 - Prob. 60ECh. 3 - With regard to the circuit shown in Fig. 3.98,...Ch. 3 - Delete the leftmost 10 resistor in the circuit of...Ch. 3 - Consider the seven-element circuit depicted in...
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