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Construct a combinational circuit that has a 4-bit 8421 BCD digit as its input and generates the corresponding 4-bit gray code BCD digital output. The circuit also has a single bit output V. If the 4-bit input is not a valid 8421 BCD digit, V = 0; else V = 1. If V = 0, (the input is not valid) the gray code BCD outputs are don't cares.
(1) In a lab experiment on parallel Resonance circuit with switch closed, What is the phase relationship between Ic and IL at Is minimum (2) Why is the source current , Is, minimum at a given frequency
Design a circuit that will add either 1 or 2 to a 4-bit binary number N. Let the inputs N3, N2, N1, N0 represent N. The input K is a control signal. The circuit should have outputs M3, M2, M1, M0, which represent the 4-bit binary number M.
What is the shape of the spectrum of the signal? What is the extent of the spectrum in the frequency domain? What is the unit that is applied to the magnitude of the spectrum?
A WLAN uses the 1-Mbps IEEE 802.11 infrared standard and the 16-PPM modulation scheme. Compute the period of transmission (time between bits).
Draw the phasor diagrams associated with under-excited and over-excited synchronous motors and show the power factor of operation associated with each.
A square metal plate is heated to 80 degrees celsius at the corner corresponding to x = y = 1. The temperature distribution in the plate is described by T = 80e^(-(x-1)^2)*e^(-3(y-1)^2) Obtain the surface and contour plots for the temperature.
Describe the two spin echo methods (1.Hahn, 2. CPMG-Purcell et. al). Describe the role of p/2 and p pulses in each case and make a comparison and contrast. Give diagrams
Consider two identical and redundant CFR (Constant Failure Rate) components having a guaranteed life of 2 months and a failure rate of 0.15 failures per year. What is the system reliability for 10,000 hours of continuous operation
A parallel-resonant RLC circuit has R = 75 I, L=50mh, and C=45pF. A) Sketch and label the circuit. B) Find fo, the resonant frequency. C) At what frequency is impedance a maximum D) What is the magnitude of the impedance at this frequency
Assume that an additional inductance can be inserted in series with the load. Also assume that the converter has no freewheeling diodes. Calculate the added inductance that leads to a conduction period of 180 degrees when alpha = 30 degrees.
Design an FSM that realizes a three-bit Gray-code counter, which counts in the sequence 000, 001, 011, 010, 110, 111, 101, 100, 000
Implement the carry-out and sum functions for a 1-bit full adder using a 3-to-8 decoder block with active-low outputs and additional gates (what gate types should be used). Complete the truth table and draw the circuit diagram
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