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Independent of circuit details, for a digital input code of (b1, b2, b3, .... bn), the output of an n-bit digital to analog conversion output is of the form output = K (b1 + (b2/2)+ (b3/4)...+(bn/ 2^n-1))
For a particular 5 bit DAC the output voltage is 4.4 V when the input code is (1, 0, 1,1, 0).a) Determine the output voltage when the input code is (0,1,0,0,1).b) Determine the DAC full-scale output (when all input bits are high).c) Determine the DAC resolution (vo when the least significant input bit changes from 0 to 1).
If I have a resistor that is 10 Ohms and has a voltage drop of 4.2 V, how much current is flowing through the resistor?
assuming XTAL=11.0592 MHz,write a program to genrate a square wave of 20 Hz frequency on pin2.3?
What is the uncertainty in position of an electron of an atom if there is ± 2.0 x 10^7 m·sec-1 uncertainty in its velocity Use the reduced Planck's constant and electron mass = 9.109 x 10-31 kg.
A shunt regulator utilizing a zener diode is biased on through a 100ohm resistor. Determine the change in the regulated output voltage for the two situations below a) VI changes +2.0 V, ILoad constant b) ILoad changes +100 mA, VI constan..
If the voltage across a capacitor is a square wave, predict the resulting current waveform (draw the voltage and current waveforms). Repeat the process when the voltage across the capacitor is a sine wave.
A coil is placed in series with a resistance of 30 ohms. When the combination is connected to a 220 V, 60 Hz source, the current is 4.2 A and the power drawn by the circuit is 670 W.
Use MATLAB to compute the inverse Laplace transform of X(s)=(s^2+2s+1)/(s(s+1)(s^2+10s+50)) and determine the value of x(t) in the steady state. How would you be able to obtain this value without computing the inverse? Explain.
A somewhat discharged automotive battery has an open-curcuit voltage of 12.5 V and supplies 50 A when a 0.1 ohm resistance is connected across the battery terminals.
Given a two-dimensional array named number of three rows and four columns of type int, write the single code statement that will both declare and initialize the array such that the first row is initialized to 0, 1, 2, 3
i) Calculate the number of calls/hour/cell and the number of calls/hours/km2 ii) Calculate the number of users/hour/cell and the number of users/hours/channel iii) Find the modulation frequency for this system.
The average noise power per unit bandwidth measured at the front end of an AM receiver is 10^(-3) watt per Hertz. The modulating wave is sinusoidal, with a carrier power of 80 kilowatts, and a sideband power of 10 kilowatts per sideband.
A positive charge of magnitude q1 lies at the origin. Derive an expression for the incremental work done in moving a second point charge q2 through a distance dx from the starting position (x, y, z) in the direction -ax.
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