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Design a Mealy sequential circuit which investigates an input sequence X and which will produce an output of Z = 1 for any input sequence ending in 0101 provided that the sequence 110 has never occurred.
Example:
X = 0 1 0 1 0 1 1 0 1 0 1
Z = 0 0 0 1 0 1 0 0 0 0 0
Notice that the circuit does not reset to the start state when an output of Z = 1 occurs. However, your circuit should have a start state and should be provided with a method for manually resetting the flip-flops to the start state. A minimum solution requires six states. Design your circuit using NAND gates, NOR gates, and three D flip-flops. Any solution which is minimal for your state assignment and uses eight or fewer gates and inverters is acceptable. (Assign 000 to the start state.)
Test Procedure: First, check out your state table by starting in each state and making sure that the present output and next state are correct for each input. Then, starting in the proper initial state, determine the output sequence for the following
input sequences:
(1) X = 0 1 0 1 0 0 0 1 0 1 1 0
(2) X = 1 0 1 0 1 0 1 1 0 1 0 1
The binary-coded-decimal (BCD) format uses 4 bits to represent 10 decimal digits. For example, 259 is represented as "0010 0101 1001" in BCD format. A BCD incrementor adds 1 to a number in BCD format. For example, after incrementing, "0010 0101 10..
A communication system must transmit the following real valued signal: v(t) = 4cos(2pi*10MHz*t) + 2cos(2pi*20MHz*t)+cos(2pi*30MHz*t)V For this signal, sketch the positive-frequency power specturm P(f>0)
List three standard socket calls that you would expect every connection-oriented server to invoke that would not normally be invoked by any client. Briefy indicate why a typical client would not need to invoke these calls.
Discuss the sequence of actions that occur in the operation of an automatic washing machine. Indicate which actions are time-driven and which actions are event-driven.
A series circuit has a DC voltage source (56 volts), a resistor, (72 ohms), a capacitor (82 farads), and a switch. The capacitor is initially uncharged and the switch closes at t=0.
Assume that in addition to the sine-wave signal you have a dc reference voltage of 1.5 V available. Sketch the output signal waveform.
Given transfer function of dynamic system: T(s)= (2s^2 + 2s + 3) / (s^3 + 4s^2 + 6s + 10). write down state equation and output equation in Controllable Canonical Form and in Observable Canonical Form.
An instructor in Engineering Department has the following grading policy: "Curving of grades is achieved by adding to every grade the difference between 99 and the highest grade in the class"
For input signal voltages between these limits, the input should pass unaltered to the output. The peak current drawn from the input source may not exceed 1mA. You may use any circuit component we've studied except opamps.
Plot the steady state torque-speed characteristic for Va = 100V, 60V, and 30V. Calculate the armature voltage to be applied in the steady state at the speed of 1500 rpm when the motor torque load require is 3 Nm.
encounter a sequence of birds while walking in the park. The birds can either be blue (B) or red (R). We let X be the random variable corresponding to the number of birds we encounter until seeing the first blue one.
3) What is the RMS voltage of the source in a single loop series circuit if Irms = 1A-30° and Ztotal = 100 65° 4) What is the power dissipated by an electric heater with a resistance of 20? drawing a current waveform of i(t) = 10 sin(60t) Amps
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