Electrical Engineering: Principles & Applications (7th Edition)
7th Edition
ISBN: 9780134484143
Author: Allan R. Hambley
Publisher: PEARSON
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Chapter 9, Problem 9.5P
Compute the values of
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10.37 Use mesh analysis to find currents I₁, I2, and I3 in
the circuit of Fig. 10.82.
ML
120-90° V
120 -30° V
Figure 10.82
For Prob. 10.37.
N
N
Z=80-135
3. Find the phasor current I。 in the circuit shown below. Be aware of the direction
markings.
(15 pts)
1052
I
5057
①520 Amps
2012
j5052
10.93 Figure 10.135 shows a Colpitts oscillator. Show that the
ed oscillation frequency is
1
fo=
2π √√LCT
where CTC₁C2/(C₁ + C₂). Assume R; >>>
R₁
+
Rf
ww
Vo
L
m
C₂
C₁
5
Xci
Figure 10.135
A Colpitts oscillator; for Prob. 10.93.
(Hint: Set the imaginary part of the impedance in the
feedback circuit equal to zero.)
Chapter 9 Solutions
Electrical Engineering: Principles & Applications (7th Edition)
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- Only expert should attempt itarrow_forwardnot use ai pleasearrow_forwardMatched filter in the frequency domain (1.5) (a) Consider the signal s(t) in 3(c). Assuming that the unit of time is a millisecond and the desired frequency resolution is 1 Hz, use the function contFT to compute and plot |S(f). (b) Use the function contFT to compute and plot the magnitude of the Fourier trans- form of the convolution s * SMF numerically computed in 3(d). Also plot for comparison |S(f)12, using the output of 5(a). The two plots should match. (c) Plot the phase of the Fourier transform of s✶ SMF obtained in 5(b). Comment on whether the plot matches your expectations.arrow_forward
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