Fundamentals of Electric Circuits
6th Edition
ISBN: 9780078028229
Author: Charles K Alexander, Matthew Sadiku
Publisher: McGraw-Hill Education
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Chapter 17, Problem 10RQ
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Q1.
Figure 1 shows a differential amplifier. Assume that all transistors are
identical. ẞ=180, V = 0.026 Vand V = 0.7V.
a)
b)
Show that the d.c. bias current to the differential pairs is
Iccs = 0.6 mA.
Calculate the d.c. voltages at the output terminals V。1 and V02-
c)
Given that the input signals are v₁ = 4 sin(wt) and
V₁₂ = 2sin(wt) in mV, find the a.c. voltage between V01 and
V02-
Q1.
Figure 1 shows a differential amplifier. Assume that all transistors are
identical. ẞ=180, V = 0.026 Vand V = 0.7V.
a)
b)
Show that the d.c. bias current to the differential pairs is
Iccs = 0.6 mA.
Calculate the d.c. voltages at the output terminals V。1 and V02-
c)
Given that the input signals are v₁ = 4 sin(wt) and
V₁₂ = 2sin(wt) in mV, find the a.c. voltage between V01 and
V02-
Q4
Determine the Y-parameters at a frequency of 10 kHz for the two-port network shown in
figure below. Present your answer in matrix form.
R1
R3
C3
R5
L5
•w•
5 Ohm
ww
4 Ohm 200 μF
5 Ohm
8.4 mH
1 Ohm
R2
C4
796 µF
400 μF
C2
Chapter 17 Solutions
Fundamentals of Electric Circuits
Ch. 17.2 - Find the Fourier series of the square wave in Fig....Ch. 17.2 - Determine the Fourier series of the sawtooth...Ch. 17.3 - Prob. 3PPCh. 17.3 - Find the Fourier series expansion of the function...Ch. 17.3 - Prob. 5PPCh. 17.4 - Prob. 6PPCh. 17.4 - If the input voltage in the circuit of Fig. 17.24...Ch. 17.5 - The voltage and current at the terminals of a...Ch. 17.5 - Find the rms value of the periodic current i(t) =...Ch. 17.6 - Obtain the complex Fourier series of the function...
Ch. 17.6 - Obtain the complex Fourier series expansion of...Ch. 17.7 - Prob. 12PPCh. 17.8 - Rework Example 17.14 if the low-pass filter is...Ch. 17 - Which of the following cannot be a Fourier series?...Ch. 17 - If ft=t,0t,ft+n=ft, the value of 0 is (a) 1 (b) 2...Ch. 17 - Which of the following are even functions? (a) t +...Ch. 17 - Prob. 4RQCh. 17 - Prob. 5RQCh. 17 - If f(t) = 10 + 8 cos t + 4 cos 3t + 2 cos 5t + ,...Ch. 17 - Prob. 7RQCh. 17 - The plot of |cn| versus n0 is called: (a) complex...Ch. 17 - Prob. 9RQCh. 17 - Prob. 10RQCh. 17 - Evaluate each of the following functions and see...Ch. 17 - Using MATLAB, synthesize the periodic waveform for...Ch. 17 - Given that Fourier coefficients a0, an, and bn of...Ch. 17 - Find the Fourier series expansion of the backward...Ch. 17 - Prob. 5PCh. 17 - Find the trigonometric Fourier series for f t =...Ch. 17 - Determine the Fourier series of the periodic...Ch. 17 - Using Fig. 17.51, design a problem to help other...Ch. 17 - Determine the Fourier coefficients an and bn of...Ch. 17 - Find the exponential Fourier series for the...Ch. 17 - Obtain the exponential Fourier series for the...Ch. 17 - Prob. 12PCh. 17 - Prob. 13PCh. 17 - Find the quadrature (cosine and sine) form of the...Ch. 17 - Express the Fourier series...Ch. 17 - The waveform in Fig. 17.55(a) has the following...Ch. 17 - Prob. 17PCh. 17 - Prob. 18PCh. 17 - Obtain the Fourier series for the periodic...Ch. 17 - Prob. 20PCh. 17 - Prob. 21PCh. 17 - Calculate the Fourier coefficients for the...Ch. 17 - Using Fig. 17.61, design a problem to help other...Ch. 17 - Prob. 24PCh. 17 - Determine the Fourier series representation of the...Ch. 17 - Find the Fourier series representation of the...Ch. 17 - For the waveform shown in Fig. 17.65 below, (a)...Ch. 17 - Obtain the trigonometric Fourier series for the...Ch. 17 - Prob. 29PCh. 17 - Prob. 30PCh. 17 - Prob. 31PCh. 17 - Prob. 32PCh. 17 - Prob. 33PCh. 17 - Prob. 34PCh. 17 - Prob. 35PCh. 17 - Prob. 36PCh. 17 - If the periodic current waveform in Fig. 17.73(a)...Ch. 17 - Prob. 38PCh. 17 - Prob. 39PCh. 17 - The full-wave rectified sinusoidal voltage in Fig....Ch. 17 - Prob. 42PCh. 17 - The voltage across the terminals of a circuit is...Ch. 17 - Prob. 44PCh. 17 - A series RLC circuit has R = 10 , L = 2 mH, and C...Ch. 17 - Prob. 46PCh. 17 - Prob. 47PCh. 17 - Prob. 48PCh. 17 - Prob. 49PCh. 17 - Prob. 50PCh. 17 - Prob. 51PCh. 17 - Prob. 52PCh. 17 - Prob. 53PCh. 17 - Find the exponential Fourier series for the...Ch. 17 - Obtain the exponential Fourier series expansion of...Ch. 17 - The Fourier series trigonometric representation of...Ch. 17 - Prob. 57PCh. 17 - Find the exponential Fourier series of a function...Ch. 17 - Prob. 59PCh. 17 - Obtain the complex Fourier coefficients of the...Ch. 17 - The spectra of the Fourier series of a function...Ch. 17 - Prob. 62PCh. 17 - Plot the amplitude spectrum for the signal f2(t)...Ch. 17 - Prob. 64PCh. 17 - Prob. 65PCh. 17 - Prob. 66PCh. 17 - Prob. 67PCh. 17 - Prob. 68PCh. 17 - Prob. 69PCh. 17 - Design a problem to help other students better...Ch. 17 - Prob. 71PCh. 17 - Prob. 72PCh. 17 - Prob. 73PCh. 17 - Prob. 74PCh. 17 - Prob. 75PCh. 17 - Prob. 76PCh. 17 - Prob. 77CPCh. 17 - Prob. 78CPCh. 17 - Consider the full-wave rectified sinusoidal...Ch. 17 - Prob. 82CP
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- Q1. Figure 1 shows (a) a differential amplifier and (b) a current mirror. All transistors in the circuit are identical and their parameters are: VBE = 0.7 V, VT = 0.026 V, and ẞ = 150. a) Given that the biasing current of Figure 1(a) is I = 1 mA, determine the dc voltages at the output terminals of the differential amplifier. b) Given that the biasing current of Figure 1(a) is I = 1 mA and the ac input signal is via = 1.5 sin(wt) mv, find the corresponding ac output voltage at terminal vo₁ of the differential amplifier. c) In order to provide an output current of 1 mA using on Figure 1(b), find the value for the resistor, R, in Figure 1(b).arrow_forwardQ2. Two op-amp circuits are shown in Figure 2. One of them is an inverting amplifier and the other is a Schmitt trigger. Assume the op-amps used in both circuits are ideal op-amps. The output of the Schmitt trigger is switching between -12 V and +12V (i.e., Vmax = ±12 V). a) Identify which is the inverting amplifier and which is the Schmitt trigger. b) Use the corresponding circuit diagram in Figure 2 to design an inverting amplifier that has a gain of -20 with the output offset voltage minimised. Determine the values of the resistors. c) Select the corresponding circuit diagram in Figure 2 to design a Schmitt trigger that has a lower trigger level of -1 V and an upper trigger level of +2 V. Determine the values of resistors. Sketch the transfer characteristics of this trigger.arrow_forwardQ2. A simple comparator and a Schmitt trigger are shown in Figures 2(a) and 2(b). The maximum output voltage, Vmax, can switch between -10 V and +10 V for both circuits. The lower and upper trigger levels of the Schmitt trigger are -1 V and +2 V, respectively. a) Based on the information given above, sketch the transfer characteristics for both circuits. b) Show that the hysteresis of the Schmitt trigger of Figure 2(b) can be expressed as 2. R₁- Vmax Vnys R₁ + R₂ c) Using the parameters provided above, determine the ratio of R₂/R₁ for the circuit of Figure 2(b).arrow_forward
- Don't use ai to answer I will report you answerarrow_forward3 phase transformer bank is connected with the primaries in deltas and secondaries in wye. Line voltage of the primary is 120V and secondary side is 240V. Required to find the ratio of primary to secondary turns on each of the single phase transformers.arrow_forwardA generator delivers power through a transmission line to a star-connected load. The system is balanced. Find the values of the currents involved in per unit, considering: (a) single-phase bases and (b) three-phase bases. Datos: S₁ = 2 MVA Vg = 13.2 kV Generador ++ Linea Demanda Pg+jQg Uga ZLT a Zlinea 8.68+j3.162 Zcarga = 70+/10 la ZDa ZD b ZD€ Bases trifásicas: Ug b ZLT b Sb36 = 2 MVA Vb34 = 13.820° kV Ugo ZLTCarrow_forward
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