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Design an up / down counter with four states (0, 1, 2, 3) using clocked J-K flip-flops. A control signal x is used as follows: When x = 0 the machine counts forward (up), when x = 1, backward (down)
Design a synchronous sequential circuit with one input line and one output line that recognizes the input string x = 1111. The circuit is also required to recognize overlapping sequence such that if
A 3-bit binary counter counts for 0 (000) to 7 (111). The counter moves to the next state with an input of x = 0 and stays in the same state with an input of x = 1. a. Draw the State Table and State
A 1 A diode can deliver 1 A up to 75ºC with a derating factor of 8.5 mA/ ºC (this means that the current must be reduced by 8.5 mA for each degree above 75ºC). How much current can be
In a step-down converter, consider all components to be ideal. Let v_0 = V_0 be held constant at 5 V by controlling the switch duty ratio D. Calculate the minimum inductance L required to keep the c
All numbers are expressed in hex notation. For the following three instructions, each is executed from the above initial state. Assume each instruction is independent of the others: MOVE *R2, R1
Given the memory locations, values below, and one-address machine with an accumulator (the accumulator is the default destination), what values do the following instructions load into the accumulato
Name the basic techniques popular for ADC's, more specifically the quantization or digitization techniques. Mention the techniques in the order of slower to faster systems.
A bandlimited signal with maximum frequency of 3.3 kHz, what is the minimum sampling frequency to sample this signal. If a sinusoidal signal of 7 kHz is sampled by this sampling frequency, what is t
Two IIR filter coefficients are given below, respectively, IIR system 1: Numerator coefficients: bBP = [0.0201 0.0000 -0.0402 0.0000 0.0201 ]; Denominator coefficients: aBP = [1.0000 -2.1192 2.6952 -1
You have a 120 VAC motor pump system. The system will work in a voltage range from 100 to 130 volts. you can count on the minimum voltage from the supplier to be 115 VAC. The wiring will consist of
a) What is the key difference between coherent and non-coherent demodulation b) Explain the concept of differential encoding for BPSK modulation.
Six input voltage sources (V1, V2, V3, V4, V5, V6) have a +/- 1 V range. Design a circuit to produce Vout as the most negative (smallest) of (V1 + 2V2), (V3 - 2V4), (-V5 - 2V6). Your design should s
How would you select the right components for the integrator and differentiator. What do you think would be the limiting factor in the component parameters, and in the input signal frequency
a) If the parallel inductor is replaced with a single inductor, what would be the value of the inductor b) What would be the initial current through the equivalent inductor c) Find i_1(t) and i_2(t) a
A certain voltage is + 14.7 V for 24.8 ms and -14.7 V for the succeeding 24.8 ms and continues oscillating back and forth between these two values at 49.6 ms intervals. The voltage is present across
Design a summing amplifier that produces an output Vout = (5/2)V1+(5/3)V2 - 4V3 . Draw the complete schematic and pick the appropriate component values. The smallest resistor in the circuit should b
An inverting amplifier is configured for a gain of -(6/4) using an opamp that has a 2mV internal offset voltage. (You may consider the opamp ideal otherwise). For what input voltage the output of th
An inverting amplifier is built using an opamp that has a 2V internal offset voltage. (You may consider the opamp ideal otherwise). The circuit uses a feed-back resistor of 2K and an input resistor
Your new assistant has measured the signal coming from a piece of test equipment, writing v(t) = Vxe(-2+j60)t, where Vx = 8-100V. (a) There is a missing term, what is it and how can you tell it's mi
Assume that a load Z absorbs power of 150W at a lagging power factor of 0.8, and the voltage across the load Z is 220Vrms, 50 Hz. What must be the value of capacitor that needs to be connected in pa
In an electroplating process, copper (ionic charge +2e, atomic weight 63.6 g/mol) is deposited using a current of 10.0 A. What mass of copper is deposited in 10.0 minutes. Avogadro's number is 6.022
a)Describe the difference between a relay logic system and a PLC control system. Are there any advantages of PLC control system over relay system. Explain the advantages in details with one example.
A buck converter has the following parameters: Vs = 24 V, D = 0.65, L = 25 uH, C = 15 uF, and R=10 ohm.The switching frequency is 100 kHz. Determine (a) the output voltage, (b) the maximum and minim