Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Chapter 19, Problem 4TFQ
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c)
An RC circuit is given in Figure Q1.1, where Vi(t) and Vo(t) are the input and
output voltages.
(i) Derive the transfer function of the circuit.
(ii) With a unit step change of Vi(t) applied to the circuit, derive the time
response of Vo(t) with this step change.
Vi(t)
C₁
Vo(1)
R₂ C2 C3 |
R = 20 ΚΩ = 50 ΚΩ
C=C2=C3=25 μF
Figure Q1.1. RC circuit.
c) An RC circuit is given in Figure Q1. vi(t) and vo (t) are the input and output
voltages.
(i) Derive the transfer function of the circuit.
(ii) With a unit step change vi(t) applied to the circuit, derive and sketch the
time response of the circuit.
R₁ R2
v₁(t)
R3 C₁
v₁(t)
R₁ = R₂ = 10 k
R3
= 100 kn C₁ = 100 μF
Figure Q1. RC circuit.
c)
A RC circuit is given in Figure Q1.1. Vi(t) and Vo(t) are the input and output
voltages.
(i) Derive the transfer function of the circuit.
(ii)
With a unit step change of Vi(t) applied to the circuit, derive the time
response of the circuit.
C₁ C₂
Vi(t)
Vo(1)
R₁ C₂
R-25 k C=C2=50 µF
Figure Q1.1. RC circuit.
Chapter 19 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 19 - A comparator will have a positive output whenever...Ch. 19 - Prob. 2TFQCh. 19 - Prob. 3TFQCh. 19 - Prob. 4TFQCh. 19 - Prob. 5TFQCh. 19 - The output of a Wien-bridge oscillator is a...Ch. 19 - A Wien-bridge oscillator uses both positive and...Ch. 19 - A two-pole filter has a maximum roll-off rate of...Ch. 19 - Prob. 9TFQCh. 19 - Prob. 10TFQ
Ch. 19 - Prob. 1STCh. 19 - To use a comparator for zero-level detection, the...Ch. 19 - Prob. 3STCh. 19 - Prob. 4STCh. 19 - The gain of the amplifier in Question 4 is -1 -2.2...Ch. 19 - To convert a summing amplifier to an averaging...Ch. 19 - Prob. 7STCh. 19 - Prob. 8STCh. 19 - The feedback path in an op-amp differentiator...Ch. 19 - Prob. 10STCh. 19 - Prob. 11STCh. 19 - Prob. 12STCh. 19 - Determine the output level (maximum positive or...Ch. 19 - A certain op-amp has open-loop gain of 80,000. The...Ch. 19 - Prob. 3PCh. 19 - Determine the output voltage for each circuit in...Ch. 19 - Determine the following in Figure 19—62: VR1 and...Ch. 19 - Find the value of Rf necessary to produce an...Ch. 19 - Find the output voltage when the input voltages...Ch. 19 - Determine the values of the input resistors...Ch. 19 - Determine the rate of change of the output voltage...Ch. 19 - A triangular waveform is applied to the input of...Ch. 19 - Prob. 11PCh. 19 - Calculate the resonant frequency of a lead-lag...Ch. 19 - Determine the JFET drain-to-source resistance in...Ch. 19 - Explain the purpose of D1 in Figure 19-66.Ch. 19 - Find the frequency of oscillation for the...Ch. 19 - What type of signal does the circuit in Figure...Ch. 19 - Prob. 17PCh. 19 - Determine the number of poles in each active...Ch. 19 - Calculate the critical frequencies for the filters...Ch. 19 - Determine the bandwidth and center frequency of...Ch. 19 - Determine the output voltage for the series...Ch. 19 - If R3 in figure 19-70 is doubled, what happens to...Ch. 19 - Prob. 23PCh. 19 - A series voltage regulator with constant-current...Ch. 19 - If R4 (determined in Problem 24) is halved, what...Ch. 19 - In the shunt regulator of Figure 19-72, when the...Ch. 19 - Assume that IL remains constant and VIN increases...Ch. 19 - Open file P19-29; files are found at...Ch. 19 - Open file P19-30 and determine if there is a...
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