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Due to its wider bandgap than silicon, a GaAs red light emitting diode (LED) typically has a turn-on voltage of 1.6 V. Assuming the maximum allowable current through the LED is 16.7 mA, what is the minimum allowable value of R (in Ohms) in the circuit below? Assume Vin = 4.8 V.
What is the maximum positive voltage at the output of the circuit? Assume Vin = 3.3 V AC (rms), R = [b] k Ohms, and Vd = 0.7 V.
What is the maximum negative voltage at the output of the circuit? Assume Vin = 2.3 V AC (rms), R = 2.6 k Ohms, and Vd = 0.7 V.
If a third attempt is made within 20 seconds, a waiting period of 20 seconds is required before additional attempts can be made to start the motor. While waiitng to make additional attempts to start the motor.
A natural gas power plant has a condenser that extracts 18,000 Btu/kg of natural gas. Compute the mechanical energy of the turbine and the overall system efficiency.
Use Laplace transform techniques to find the solution to the following differential equation given that x = 1/3 at t = 0.
The cylindrical coaxial cable with the cross section shown below, has inner and outer radii of 5mm and 15mm respectively. The dielectric parameters are; er=2, signma=5*10^(-10) S/m and Ur=1
(a) Calculate the velocity of the holes and electrons in this material. (b) What doping level is necessary to provide a current density of 2 mA/micrometer^2 under these conditions? Assume the hole current is negligible.
An underdamped sensor with a static sensitivity of K=1, undamped natural frequency of omega=1400 rad/s, and damping ratio of zeta=0.5 is used to measure a sinusoidal signal with a frequency of 6 kHz.
Using VHDL, define a module called "mux 4 to 1" which implements a (4:1) multiplexer. The module should take in 4 data inputs called D3, D2, D1, and D0, and two select inputs called S1 and S0. It should have a single output called Y.
Design a DC power supply that provides -95v +/- 5v to a 2 amp load (energy absorber). The input source is a 100 volt peak sinusoid, 60 Hz. You may use any circuit element we've studied. State the values of all circuit elements
Assume all your standard value resistors are accurate to 0.1%. What would be the worst-case variation in overall resistance for your design (both high and low). How might you construct a resistive network using the smallest number of standard resis..
Market research and a competitive analysis are typically used in order to determine the feasibility of a new technology. How you could use advanced market research in order to remain competitive
A three-phase 600VAC generator delivers 2000KVA at a lagging power factor of 81%. If the generator is 86% efficient how much horsepower is required to operate it If the generator outputs its rated voltage what would the line current
What are the names of the three regions of the bipolar junction transistor? Why is there a thin region of one material type
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