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In testing the power supply circuit in Figure 2-111 with a 10Ω load resistor connected, you find the voltage at the positive side of the filter capacitor to have a 60 Hz ripple voltage. You replace the bridge rectifier and check the point again but it still has the 60 Hz ripple. What now?
Given these parameters what is the resonant frequency and how did you get this value?
For the feedback register shown in Figure 1, determine the count sequence. Assume an initial state of Qa, Qb, Qc, Qd,Qe = 10000. Design a sequential logic system, using JK Flip-Flops, which detects a bit pattern of 1101 in a stream of serial data.
Assume you wanted to produce a circuit for which the output voltage was given by the expression Vout = -3A - 2B (A and B are variable input voltages). Show how this operation could be accomplished with a summing amplifier by drawing the circuit. Show..
A sinusoidal signal described by Cos (2pit+pi/4) passes through a linear time invariant (LTI) system that applies a gain of 2 and a time delay of 0.125 seconds to the signal. Write the mathematical expression that decribes the signal that will com..
Create an array, array1, that has the last 14 elements of which the first element is 49 and the last element is 10. THen using the colon symbol create a new array, array 2, whcih has 8 elements. the first 4 elements of array 2 are the 4th through ..
Develop a sequential circuit with a single data input S and a single data output Y. The output is 1 when the input value in the current clock cycle is different from the input value in the previous clock cycle, as shown in the timing diagram in Fi..
Fourier transform X(w)=Xreal(w)+j(Xi(w)). Determine and represent the signal y(w) that gives the fourier transform of Y(w)=Xi(w)+Xreal(w)e^exp(j2w).
Help with problem in Control signal processing class, Consider the unity-feedback control system whose open-loop transfer function is
When delivering a certain load, the motor draws a current of 200 A from the mains. Find the speed at which it will run at this load and the torque developed. Assume that the armature reaction causes a reduction in the flux/pole of 4% of its no-loa..
For a current flowing on a sheet, how would you define the current density at a point on the sheet? What are the units?
Represent each complex amplitude as a vector in the V -plane, and indicate the location of the frequencies in the complex s-plane.
A circuit consists of a current source, i=0.030 sin 500t, in parallel with L=20mH, C=50 micro Farads and R=25 Ohms. a. Determine the voltage V across the circuit. b. Solve for the power factor of the circuit.
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