Electrical Engineering: Principles & Applications (7th Edition)

Chapter 6

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; Input voltage is given as .There are two ... more

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; Input voltage is given as .There are three ... more

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; Assume that current is flow in the circuit. So... more

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; Input voltage is given as .At the input voltage... more

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; Input voltage is given as .At the input voltage... more

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One decade lower frequency is . ; The decade ... more

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; Logarithmic scale Middle frequency between and... more

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; Assume that current is flow in the circuit. So... more

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2.87 decades ; Given two frequency as follows:... more

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; Given values are as follows:Value of ... more

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; Given values are as follows:Now calculate ... more

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; Given values are as follows:Value of inductance... more

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; Given value are as follows:Now calculate the ... more

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; Given values are as follows:Quality factor is ... more

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; For low pass filter cut of frequency is and ... more

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; Cut o frequencies are and . It is a bandpass ... more

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; In RC low pass filter, gain is the ratio of ... more

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Value of should be integer but to eliminate the ... more

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In Fourier theory, there are two forms:Fourier ... more

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; Output for the step input is as follows:And ... more

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MATLAB codes for solving for and plotting the ... more

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MATLAB codes for solving and plotting graph for ... more

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MATLAB codes for solving for and plotting graph ... more

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Transfer function is the ratio of output voltage ... more

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When input signal is given to the filter which is ... more

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; Input voltage is given as .There are three ... more

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; Input voltage is given as .There are three ... more

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; Input voltage is given as There are three ... more

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Complex value of the transfer function is . ; ... more

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; Given time period is So frequency is calculated... more

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; Input voltage of the filter is as follows:... more

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; Input voltage of integrator is as follows:... more

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; Input voltage of the filter is as follows:... more

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; Given time period is So frequency is calculated... more

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Transfer function at each frequencies is as ... more

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MATLAB codes for plottinf transfer function with ... more

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 MATLAB codes for plotting tranfer fucntion, ... more

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; Given input voltage as follows:Output voltage ... more

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The circuit diagram for of a first order low pass ... more

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; The expression for half power frequency is  ; ... more

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; Transfer function of RC low pass filter is as ... more

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; Time constant of first order RC filter is as ... more

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; Output voltage is calculated by the voltage ... more

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; Half power frequency is , so transfer function ... more

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; Given value of resistance is and half power ... more

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Since Therefore, amplitude of the component at ... more

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Break frequency is . ; Given input frequency .Time... more

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Half power frequency is .Magnitude plot is as ... more

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Break frequency is ; Given input voltage and ... more

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replace by  find voltage using voltage divider ... more

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(1.) Referring to the figures given in the ... more

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In logarithmic frequency scale, frequency is ... more

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The magnitude of the transfer function:  ; The ... more

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Advantage of magnitude in decibels is that very ... more

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In passband, range of frequencies is passed by the... more

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; Given the amplitude of the transfer function is... more

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; Number of octave is given by Substitute in the... more

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; Number of decade between two and is given by ... more

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and should not equal to zero. ; The filter ... more

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; The transfer function in cascaded form and in ... more

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A Bode plot is usually combination of the ... more

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High frequency asymptote slope is.Low frequency ... more

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; The transfer function evaluated as belowThe ... more

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The transfer function of the first -order low pass... more

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  ; The impedance and current for the the given ... more

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;  The transfer function given is shown below The... more

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 The obtained transfer function is ; The Thevenin'... more

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; From the expression of the is evaluated ; Put... more

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; The and voltage is simplify as follows ; The ... more

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The transfer function magnitude in decibel and ... more

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Slope of the magnitude plot is per decade. ; The ... more

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; By using voltage divider rule the output ... more

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ZeroBreak frequency ; The transfer function for ... more

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The transfer function of the circuit is calculated... more

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; Given in the question, the circuit is a first-... more

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; The transfer function of circuit is calculated ... more

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; The transfer function for the first order high ... more

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; The circuit is first order RC high pass circuit... more

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; The circuit is first order RC high pass circuit... more

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The impedance seen by source is as belowThe is ... more

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A band pass filter passes frequencies with certain... more

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; Given in the question:Resistance Capacitance ... more

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; Given in the question:Resistance Capacitance ... more

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; From the expression of quality factor the value... more

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; The absolute value of current flowing through ... more

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; Minimum value of impedance occurs at resonance ... more

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; The equivalent impedance of the network is ... more

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The impedance of parallel RLC circuit at resonant ... more

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; The resonant frequency for parallel resonant ... more

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; In parallel resonance maximum impedance occurs ... more

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; Given in the question:Expression of quality ... more

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; The inductance value is calculated by isolating... more

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Types of filter:-1)Ideal Low pass filter :- It ... more

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; The lower cutoff frequency is and upper cutoff... more

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; The cutoff frequency is and gain is 2 , An ... more

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An AM radio transmitter has a carrier frequency of... more

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It contain frequencies to and most of noise ... more

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The circuit diagram of second order high pass ... more

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; The value of inductance is calculated by using ... more

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To attenuate the interface require band reject ... more

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  ; Applying the voltage division principle: when ... more

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 MATLAB bode plot obtained can be seen below... more

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; The KCL equation of the given circuit is ... more

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All real world signals that are generally voltage... more

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; As the input to given filter is cosine in ... more

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a. b. c. d.  At resonance, the impedance equals ... more

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 An ideal band-reject filter, and ; In order to ... more

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