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1- Design a timer system that has a push button, LCD and RTI. When you press the push button, the timer starts counting each second and displays the seconds' value on the LCD. When you press the timer, the system stops counting. You must use interrupts for RTI and push button.
2- Design a keypad using interrupts. Display the key on the LCD.
a) If the excitation voltage E0 is equal to the terminla voltage ( 4kV ), what is the maximum real power which the motor can deliver without losing synchronism b) What is the rotor pole shift in electrical degrees, corresponding to the nominal loa..
An OFDM system employs 260 data subcarriers, 40 pilot subcarriers, and 34 guard subcarriers to transmit data through a wireless channel. QPSK modulation is employed for each subcarrier.
The parking lot of the Spenditall Megamall has an area of 128 ac. It is partially landscaped to provide some areas of grass. Assume that an average of 63% of the water that falls on the parking lot will flow
Power Factor, A single phase electric motor has an output power of 10 kW and an efficiency of 90% at full load. The motor is fed from a 240 V supply via a cable that has a resistance of 10 milli ohms per metre length.
The factorial of a nonnegative integer n is written n! (pronounced "n factorial") and is defined as follows: n!= n(n-1)(n-2)(n-3)....1 (for values of n greater than or equal to 1) and n!= 1 (for n=0) for example 5! = 5x4x3x2x1,
An AC Voltmeter uses a bridge rectifier and 100 ohm PMMC which requires a 1mA DC current for full-scale deflection. Assuming ideal diodes, calculate the value of the multiplier resistor to obtain full scale deflection with 10 V AC applied to the i..
Design a state graph and state table for a Moore sequential circuit that has two inputs (X1 and X2) and one output (Z). The output begins at 0 and becomes 1 when X1 = 1 and X2 = 1, either concurrently or one after the other
Calculate the FLAT BAND POTENTIAL and the THRESHOLD VOLTAGE for a real n+ polysilicon / p- silicon MOS diode having Na= 1017 cm^-3 and oxide thickness d = 5 nm. Assume that the oxide has only fixed oxide charges (Qf)
A second-order bandstop filter is required to satisfy the following specifications: fs= 8,000 Hz f0= 60 Hz bandwidth= 40 Hz Find the transfer function and difference equation by the pole- zero placement method.
Research the recent history of gasoline pricing in your area, and attempt to relate any fluctuations you observe to documented supply and demand factors outlined in our book. Be sure to cite any references used.
An eight-point real-valued signal s has DFT given by S = [ 3 x1 4 -4+3j -2 x2 x3 1-2j ] A. Compute s[0] - s[1] + s[2] - s[3] + s[4] - s[5] + s[6] - s[7] using one entry of X only. B. Determine the values of x1, x2, x3.
An 8x1 multiplexer has inputs A, B, and C connected to the selection inputs S2, S1, and S0, respectively. The data inputs I0 through I7, are as follows: I1 = I2 = I7 = 0; I3 = I5 = 1; I0 = I4 = D; and I6 = D'. Determine the Boolean function that t..
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