Engineering Circuit Analysis
9th Edition
ISBN: 9780073545516
Author: Hayt, William H. (william Hart), Jr, Kemmerly, Jack E. (jack Ellsworth), Durbin, Steven M.
Publisher: Mcgraw-hill Education,
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Chapter 16, Problem 57E
To determine
The
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Question 2
A transistor is used as a switch and the waveforms are shown in Figure 2. The parameters are
Vcc = 225 V, VBE(sat) = 3 V, IB = 8 A, VCE(sat) = 2 V, Ics = 90 A, td = 0.5 µs, tr = 1 µs, ts = 3 µs, tƒ
= 2 μs, and f
10 kHz. The duty cycle is k 50%. The collector- emitter leakage current is
ICEO = 2 mA. Determine the power loss due to the collector current:
=
=
=
(a) during turn-on ton = td + tr
VCE
Vcc
(b) during conduction period tn
V CE(sat)
0
toff"
ton
Ics
0.9 Ics
(c) during turn-off toff = ts + tf
(d) during off-time tot
(e) the total average power losses PT
ICEO
0
IBS
0
Figure 2
V BE(sat)
0
主
*
td
tr
In
Is
If
to
iB
VBE
T= 1/fs
Question 1:
The beta (B) of the bipolar transistor shown in Figure 1 varies from 12 to 60. The load resistance
is Rc = 5. The dc supply voltage is VCC = 40 V and the input voltage to the base circuit is
VB = 5 V. If VCE(sat) = 1.2 V, VBE(sat) = 1.6 V, and RB = 0.8 2, calculate:
(a) the overdrive factor ODF.
(b) the forced ẞ
(c) the power loss in the transistor PT.
IB
VB
RB
+
V BE
RC
Vcc'
Ic
+
IE
Figure 1
VCE
I need help in creating a matlab code to find the currents
Chapter 16 Solutions
Engineering Circuit Analysis
Ch. 16.1 - Find the input impedance of the network shown in...Ch. 16.1 - Write a set of nodal equations for the circuit of...Ch. 16.2 - By applying the appropriate 1 V sources and short...Ch. 16.2 - Prob. 4PCh. 16.2 - Prob. 5PCh. 16.3 - Prob. 6PCh. 16.3 - Use Y and Y transformations to determine Rin for...Ch. 16.4 - Find z for the two-port shown in (a) Fig. 16.23a;...Ch. 16.4 - Prob. 9PCh. 16.5 - Prob. 10P
Ch. 16.5 - Prob. 11PCh. 16.6 - Prob. 12PCh. 16 - For the following system of equations, (a) write...Ch. 16 - With regard to the passive network depicted in...Ch. 16 - Determine the input impedance of the network shown...Ch. 16 - For the one-port network represented schematically...Ch. 16 - Prob. 6ECh. 16 - Prob. 7ECh. 16 - Prob. 8ECh. 16 - Prob. 9ECh. 16 - (a) If both the op amps shown in the circuit of...Ch. 16 - Prob. 11ECh. 16 - Prob. 12ECh. 16 - Prob. 13ECh. 16 - Prob. 14ECh. 16 - Prob. 15ECh. 16 - Prob. 16ECh. 16 - Prob. 17ECh. 16 - Prob. 18ECh. 16 - Prob. 19ECh. 16 - Prob. 20ECh. 16 - For the two-port displayed in Fig. 16.49, (a)...Ch. 16 - Prob. 22ECh. 16 - Determine the input impedance Zin of the one-port...Ch. 16 - Determine the input impedance Zin of the one-port...Ch. 16 - Employ Y conversion techniques as appropriate to...Ch. 16 - Prob. 26ECh. 16 - Prob. 27ECh. 16 - Prob. 28ECh. 16 - Compute the three parameter values necessary to...Ch. 16 - It is possible to construct an alternative...Ch. 16 - Prob. 31ECh. 16 - Prob. 32ECh. 16 - Prob. 33ECh. 16 - Prob. 34ECh. 16 - The two-port networks of Fig. 16.50 are connected...Ch. 16 - Prob. 36ECh. 16 - Prob. 37ECh. 16 - Obtain both the impedance and admittance...Ch. 16 - Prob. 39ECh. 16 - Determine the h parameters which describe the...Ch. 16 - Prob. 41ECh. 16 - Prob. 42ECh. 16 - Prob. 43ECh. 16 - Prob. 44ECh. 16 - Prob. 45ECh. 16 - Prob. 46ECh. 16 - Prob. 47ECh. 16 - Prob. 48ECh. 16 - Prob. 49ECh. 16 - Prob. 50ECh. 16 - (a) Employ suitably written mesh equations to...Ch. 16 - Prob. 52ECh. 16 - Prob. 53ECh. 16 - The two-port of Fig. 16.65 can be viewed as three...Ch. 16 - Consider the two separate two-ports of Fig. 16.61....Ch. 16 - Prob. 56ECh. 16 - Prob. 57ECh. 16 - Prob. 58ECh. 16 - (a) Obtain y, z, h, and t parameters for the...Ch. 16 - Four networks, each identical to the one depicted...Ch. 16 - A cascaded 12-element network is formed using four...Ch. 16 - Prob. 62ECh. 16 - Continuing from Exercise 62, the behavior of a ray...
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