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show that any Boolean function of 4 variables can be implemented by using one 4x1 multiplexer,one 2-to-4 decoder, and an unlimited number of OR gates. Demonstrate your method by implementing the function f(a, b, c, d) = ab'd' + bcd' + bc'd + a'bd.
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
Two men are sliding a 100-kg crate up an incline. If the lower man pushes horizontally with a force of 500 N, and if the coefficient of static friction is 0.30, determine the tension T which the upper man must exert on the rope to get the crate to..
The photoelectric threshold wavelength for Tungsten is 2300 Å. Find the energy in eV of the emitted electrons from the surface by ultraviolet light of wavelength 1800 Å.
A wire is bent in the form of a half loop of radius a=10mm and charged with a line charge density pL=10^-9 C/m. Calculate the field intensity at the center of the loop.
A three-phase Y- connected load is rated at 240 volts with power factor .95 (lagging), if the total apparent power is 240 KVA, compute: a. the phase currents (in polar form). There are 3 values. b. the active and the reactive power of the load at it..
A CB transmitter is rated to supply 4 W of carrier power to a 50 Ohm load while operating from a power supply that provides 13.8 V. The nominal supply current is 1 A without modulation and 1.8 A with 80 % modulation.
If Resistor 1 is 5 ohms is connected in parallel with another unknown resister 2. What is the unkown resistor value that satisfy the maximum power transfer condition. why the answer is 5ohms, that R2=R1 If they were connected in series, what R2 be
An analog signal has a bandwidth of 37 kHz and must be digitized in an ADC. The peak voltage is 7V and you need to maintain a resolution of 0.078V. Find the number of bits per sample and then
Design a circuit that lets exactly one full negative pulse (from an input train of pulses) pass through to the output, after a button is pushed.
Design a second-order band-pass filter for a system with sampling frequency of 18 kHz that is tuned for f=5kHZ The filter should not have any sample delay (the numerator and denominator orders are equal) and should have a stability margin of 92%.
A linear time-invariant system has a transfer function with a direct-current gain equal to 2 and a phase angle of 45°. What is the response of this system to the input x(t) = 4 cos(2t)
A digital signaling system is required to operate at 9600 bps. If a signaling element encodes a 8-bit word, what is the minimum required bandwidth of the channel?
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