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A small house has three windows and two doors. Each window and door has a switch attached such that the contacts close when a door or window opens. Draw a ladder logic diagram that will turn on a light if one or more windows are open or if both doors are open.
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.
Determine whether the following signals are periodic. If they are, find the smallest periods (fundamental periods). a) f(x,y) = sin (2 pi x) cos(4 pi y) b) Discrete signal: f(m,n) = sin ( pi * m / 5) cos(pi * n / 5)
An engineer decides to take 600 samples at sampling frequency 9000Hz. A Fast Fourier Transform (fft) program was applied to obtain the frequency spectrum of the signal. What is the frequency resolution,df, for the analysis
An ARM processor with 32-bits address and data buses is connected to three areas of memory implemented as three types of chips. The address is a byte address. A 16M Byte EEPROM implemented using EEPROM chips that are 4Mx8-bits
A 3-D printer lays down a semicircular arc of positively charged plastic with a radiusR = 3.5 cm, and a linear charge density of Lambda = +1.9 uC/m. After the printer has finished the arc, the stylus moves to the center of the arc.
Design the circuit to establish a dc emitter current of 1mA and provide the highest possible voltage gain while allowing for a maximum signal swing at the collector of +-2V. Use +10V and -5V power supplies.
In general, what observations can be made about a physical system that has pole and zero locations that are not eitehr real-valued or complex conjugate pairs
A decorative snowman with mass m = 15kg slides down a roof that is inclined at an angle of 30 º from the horizontal. The snowman slides a distance of 6.0m down the roof and off the edge, located 8.0m above the ground.
What is the sample period Ts?
A fiber optic audio system consists of an input, a playback head that has a transfer function of .7, an amplifier with a gain of 6 and a speaker system with a transfer function of .4. Find the output for an input of 0.08V
Determine the conductivity of silicon at T = 300 K if it is doped with donor impurity atoms at a concentration of 1.25*1016 cm-3. Assume that the electron and hole mobilities are 1350 cm2 / V-s and 480 cm2 / V-s, respectively.
Write a 4-bit up counter. Your counter has a asynchronous clear and when the clear is activated, the counter is reset to 3. The count range is from 3 to 9.
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