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Construct IR Light Source:
On a breadboards, hook up an IR LED to provide an infrared light source for signaling the phototransistor as shown in Figure 2 below. Use a pushbutton switch to turn the IR LED on and off. Note that the pushbutton does not require any resistors to ground as it only needs to control when the power enters the power rails on your protoboard. The IR LED will drop approximately 1.35 volts and should be operated with ~100 mA of current.
Calculate the value required for the resistor labeled R in the circuit below to achieve these design specifications.
Now calculate the power that you expect this resistor to absorb (remember the formulas for power in terms of current and resistance)
Determine the requirements of the digital fiters needed and design and write the dierence equations for the digital fiters.
1. ) calculate the consumption of energy , taken from WAPDA, solar panels etc. 2. ) Transfer this data wirelessly to the grid station Please provide some ideas to implement this and list of components.
Compare a lumped element model of a lossless transmission line (single L and C) with the distributed model. Use the following values for the transmission line in this comparative analysis.
Problem 1: It is desired that an Arduino along with an EduShield be used to control 6 camerassimultaneously. Each is made by a dierent company: a Canon, a Nikon, an Olympus, a Pentax,a Sony, and a Minolta.
An AM receiver, operating with a sinusoidal modulating signal and 80 percent modulation, has an output signal-to-noise ratio of 30 dB. a) What is the correspoding carrier- to - noise ratio
MOSFET Amplier Sketch the 4-resistor bias network for an amplier with an n-channel enhancement-mode MOSFET, with R1 = 1Mohm ; R2 = 1:5Mohm ; RD = 75kohm ; Rs = 39kohm ; K = 25microA/V2 ; VDD = 10V and Vto = 1V.
Needs to oscillate 5 times per second. Amplitude envelope increases 25% every second. Amplitude is 1 at t =0. The derivative at t = 0 is 54.6371. the sinusoid has to be a cos(2*pi*5*t) for the exponential exp(at).
A certain lightbulb has a tungsten filament with a resistance of 21.9 when at 20.0°C and 145 when hot. Assume the resistivity of tungsten varies linearly with temperature even over the large temperature range involved here.
Determine what kind of filter (low pass, high pass, bandpass, or band stop) the circuit represents. Briefly justify your answer. Confirm by computing the Bode plot using MATLAB and paste the graph below.
Suppose 200 gpm of water is taken from a creek and delivered through 800 ft of 3-inch diameter PVC pipe to a turbine100 ft lower than the source. If the turbine/generator has an efficiency of 40%, find the electrical power that would be delivered.
How will the reading of two ammeters compare if they are placed in series in a circuit Will the answer to this question be different if the resistance of the two ammeters is not the same
The read arm of a computer disk drive has the transfer function of G(s) = 1000/s^2. Design a digital controller that has a bandwidth of 100 Hz and a phase margin of 50 degrees. Use a sample rate of 6kHz.
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