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1. Write the VHDL code to specify a circuit that generates the square of a 3-bit number.
2. Write the VHDL code for a full adder.
The voltage across the load must remain between 4.7 and 5.0 V for all values of load current. Design a voltage-divider network to supply the load. You may assume that resistors of any value desired are available.
Write the formula for the maximum clock frequency for an n-bit synchronous parallel binary counter. Beyond what value of n is your formula no longer valid. let Ttq denote the propagatoin delay from T to Q in a T flip-flop.
The pole faces of a magnet are 4 cm 3 cm and produce a flux of 0.5 mWb. Calculate the flux density.
A consumer protection agency conducts opinion polls to determine the quality (excellent, good, fair, bad) of products imported. if the agency conducted a poll in wich 1000 randomly selected individuals were contacted by telephone.
How many years ago was the desired ration of recreation land per 1,000 population exceeded if no more land was acquired and the population continued to grow at the indicated rate
trace how the electrons and holes move through the device under the two different biasing conditions. Explain how these three devices work in terms of holes and electrons.
A point source light of 9000 cd is mounted 3.3m above the centre of a work bench.The bench measures 4m x 4m, what is the illumination on the corners of the bench ?
Two dc motors are compared. the first one is a 4hp dc motor which draws a current or 0.7A when the field is connected to a 150V source. the second, a 600 hp motor draws a field current of 5A when the field is connected to a 300V dc source.
The schematic shows a scheme for coupling and amplifying ahigh-frequency pulse signal. The circuit utilizes twon-channel MOFETs whose bias details are not shown and a 50 ohmcoaxial cable connecting the drain of Q1 to the source of Q2.
What RF bandwidth is required to send the data using QPSK? If the RRC filters in the transmitter and receiver are replaced with ones that have ? = 0.20, what are the new RF bandwidths in parts (a) and (b)?
A student attempts to measure his own ECG on an oscilloscope having a differential input. For Figure 6.11, Zin ¼ 1MV, Z1 ¼ 20 kV, Z2 ¼ 10 kV, ZG ¼ 30 kV, and idb ¼ 0:5mA. Calculate the power-line interference the student observes.
A 3-phase, 2300 V, 60 Hz, 12-pole, Y-connected synchronous motor has 4.5 ? per phase synchronous reactance and negligible stator winding resistance. The motor is connected to an infinite bus and draws 250 A at 0.8 power factor lagging.
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