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The refractive index (n) of silicon at 850 nm is 3.662.a. Calculate the optimum refractive index of a single layer thin film antireflection coating for the silicon air interface at this wavelength.b. Calculate the optimum thickness of the layer.
Prepare an Excel graph showing the individual components and summated resultant waveform of the odd harmonic series resulting in an approximate square wave.
There are two four bit messages, 1010 and 1110. The first one is appended with an odd parity bit, the second one with an even parity bit. What are the values of the parity bits for the first and second messages respectively.
Power Electronics - Diode, [Power electronics] The measured values of a diode at a temperature of 25 Degrees Celsius are: Vd=1V at Id=50A, Vd=1.5V at Id=600A. Determine (i) the emission coefficient n, and (ii) the leakage current.
Spectrum Analyzer, A spectrum analyzer is connected to an unknown signal. The spectrum analyzer displays the power level of signals in dBm vertically and frequency horizontally. The spectrum of the unknown signal creates the following display:
Apple A5 die size is 122mm^2 when fabricated in 45nm technology. Assume they purchase 300mm wafers at a foundry for $ 2.5K /wafer. Assume a yield of 70%. What is Apple's approximate die cost?
The waveform output by the signal generator in part (b) is changed so that the rectangular pulses have the same width but no longer are periodic. They occur at random intervals of time. Explain in words how the display on the spectrum screen would..
Show that the power in a three-phase, three-wire system with balanced loads is constant at every instant. Deduce an expression for the power in terms of the line voltage, line current, and the power-factor.
Output levels of higher order products of a linear amplifier, If a tone is put into an amplifier, and its amplitude is increased by 1 dB, how much will the amplitude of the third-order products increase in dB?
Compute the rectangular form of the four-point DFT of the following signal, which is zero for n =4. Compute the inverse DTFT of: X(ω)=sinΩ cosΩ
What functions must the communications stations perform? Repeat for ring and star.
How a transformer works and apply those rules to a transformer where the primary core cross-sectional area is twice.
Explain Capacitance of parallel plates capacitor, Relative permitivity is 500, The area is one square meter, The distance between the plates is 0.001 meters
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