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Reference the textbook problem 6.12. Design a system using the photoconductive cell in Figure 6.9 to measure and display light intensity. Make the design such that 20 to 100 mW/cm2 produces an output of .2 to 1.0 V. What is the readout error when the intensity is 60 mW/cm2?
What are the four characteristic parameters of transmission line? Which parameter is used to calculate the real loss? Which parameter is used to calculate the charging current? Which parameter is almost negligible and why?
Write the assembly code to specify an array named src that holds values: 01, 23, 45, 67, 89, and an array of five variables named dst, then write the code to copy the values in array src to array dst.
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.
The voltage across a 1-µF capacitor is given by v(t)=100 e-100t . Find expressions for the current, power, and stored energy. Sketch the waveforms to scale versus time.
The phase margin needs to be at least 45 degrees. The error for a ramp input should be less than 5% Add the lag compensator using bode plots. Show the characteristics (margins) of uncompensated and compensated system to
Discuss the attributes of professional and technical presentations. What are some of the characteristics that may differentiate these types of presentations from others.
A switch turns the voltage source on and off. Evaluate the voltages across each of the capacitors and determine whether the energy changes due to the switch being turned on or off.
Light traveling in air strikes a glass plate at an angle θ1 = 33 degrees, where θ1 is measured between the incoming ray and the glass surface. Upon striking the glass, part of the beam is reflected and part is refracted.
A uniform electric field of magnitude 690 N/C exists between two parallel plates that are 3.88 cm apart. A proton is released from rest at the positive plate at the same instant an electron is released from rest at the negative plate.
Design a circuit that provides a voltage gain of + 3. Draw the circuit schematic identifying supply voltages and show your work on component selection.
A M-bit thermometer code for the number k consists of k 1's in the least significant bit positions and M-k 0's in the more significant bit positions. A binary-to-thermometer code converter has N inputs and 2^N-1 outputs.
In a scanning electron microscope, an electron is accelerated by a static electrode biased with a 12 kV voltage relative to the electron source. Upon bombarding the sample the electron “kick out†photons with specific wavelength.
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