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Consider a half-wave rectifier circuit with a triangular wave input of 5-V peak to peak amplitude and zero average, and with R=1kΩ. Assume that the diode can be represented by the constant-vol
Assume that each donor atom contributes one free electron to the silicon lattice. For an n-type doping of 5x10^15 cm-3, how many silicon atoms are present for each lattice impurity
John take a 1kΩ resistor, the 10μf capacitor, and the 10 mH inductor, and one by one connects them across one of the outlets in his dorm room. How much power is dissipated by each component
Assume that an alkaline D-cell battery can maintain an average voltage of 1.25 V for 90 hours in a 10. load before becoming unusable. What average power is delivered to the load during the life of t
A Si wafer is doped with Na = 5x10^16 /cm^3 of acceptors. In equilibrium at T=330K calculate, list the following for the Si wafer: Eg (Energy gap), ni (intrinsic concentration), n,p - the free elect
a signal alternates abruptly between -1V and +2V with a duty cycle d. sketch a waveform, and find its full cycle average if d=25%, 50%, 75% for what value of d is the full wave average 0
An audio amplifier system, using a noinverting op-amp circuit, needs to have a small-signal bandwidth of 20kHz. The open-loop low-frequency voltage gain of the op-amp is 10^5 and the unity -gain ban
Use a K-Map to design a circuit that has two operations. In mode 1, it outputs the value of the 3-bit input multiplied by 3. In mode 2, it outputs the number of 1's in the 3-bit input. Design a circ
Use a K-Map to simplify the function F(A,B,C,D) = Σ(0,1,2,3,8,9,10,11). Design a circuit that implements this function. Write the VHDL code.
a) Find the intersection of the two lines. b) Find two vectors that also describe the two lines originating from the intersection. c) Find the angle between the two lines.
Draw a schematic for a home or office central air conditionning system.Label the elements. What would be the measured variable. The manipulated variable. A reasonable value for the set point. Name d
a thermocouple is a heat-sensing device that typically outputs a signal in microvolts, such as 10 microvolts.if the signal transmitted to the controller needed to be 10 volts, what approximate ampli
Consider the problem of using a low-voltage system to power a small cabin. Suppose a 12-V system powers a pair of 100-W lightbulbs (wired in parallel). a. What would be the (filament) resistance of a
The Maxwell-Boltzmann distribution is often used to approximate the Fermi- Dirac distribution function. For what range of (E-Ef)/kT is the Maxwell-Boltzmann approximation accurate to within 10%
A 60O lossless line is connected to a source with Vg=10<0 degrees, Vrms and Zg = 50-j40O and terminated with a load of j40O. If the line is 100 m long and ß=.25 rad/m, calculate Zin and V at:
If a plane has intercepts at 2a, 3a, and 4a along the three Cartesian coordinates, where a is the lattice constant, find the Miller indices of the planes.
A silicon ingot is doped with 1016 arsenic atoms/cm3. Find the carrier concentrations and the Fermi level at room temperature (300K). Hint: assume complete ionization of impurity atoms at room tempe
Design a circuit that implements the logic function "f = A' + B" using only two single pole/single throw switches, an LED, and a current limiting resistor.
Consider the problem of using a low voltage system to power a small cabin. Suppose a 12-V system powers a pair of 100-W light bulbs (wired in parallel). A) What would be the filament resistance of a
A 120 V lamp-dimming circuit is controlled by a rheostat and protect from excessive current by a 2 A fuse. To what minimum resistance value can the rheostat be set without blowing the fuse
find the fundamental period. x(t)= summation of k=-5 and 5 w(t-2k) for w(t) depicted in figure. the figure is graph from negative 1 to infinite and postive 1to infinite on x-axis, a straight line c
A causal LTI dicrete time system is said to have an overshoot in its step response if the response exhibits an oscillatory behavior with decaying amplitude around a final constant value.
After each number is input, print a running average, calculated with the average() function described above. If the average is the last average to be displayed, indicate it is the final average.
Two Parallel single-phase loads are supplied by a 480 volt RMS, 60 Hz, source. The two loads are: Load 1 : 15.0 kW at .6 lagging p.f. Load 2 : 25.0 kVA at .8 lagging p.f. 1) the combined real power dr
Three single-phase 7200:480 volt, 20 kVA transformers are connected in a bank with the 7200 volt winding connected in wye and the 480 volt winding connected in a delta 1) the kVA rating of the three