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Discuss the effect of grain size over the range 50 nm to 50 mm on the real part of the permittivity of bulk polycrystalline BaTiO3. What is the evidence for the ferroelectric state being stable at the smallest grain size and explain why this is relevant to FeRAM technology. Discuss possible reasons why lower permittivity values are found for BaTiO3 in thin film form even when the grain size is the same as that in bulk ceramic form.
For a 32 bit CMOS 5 volt microprocessor that has a 32 bit address bus and a separate 32 bit data bus, and the processor has a 1 nS rise time and 0.5 nH of ground inductance on a board made from glass epoxy material.
A positive sequence three phase source has Van(t)= 200cos(wt+120) V. Find time domain expressions for vbn(t), Vcn(t), Vab(t), Vbc(t), and Vca(t).
A solid spherical conductor of radius a is surrounded by a concentric spherical conducting shell of inner radius b and outer radius c. The region between the conductors, a
Determine the value of R resulting in maximum power to R and the maximum power to R.- Plot VR and IR versus R, and find the value of each under maximum power conditions.
A measurement team has determined that the average path loss exponent in the system isn n= 3. Determine the major radius of each cell if a seven-cell reuse pattern is used. What is the major radius if a four cell reuse pattern is used
The dielectric of a parallel plate capacitor has a permittivity that varies as ero+ax, where x is the distance from one plate. The area of a plate is A, and their spacing is s.
What is the system reliability for a light panel containing 12 light bulbs, and only requires 9 bulbs to be working for success (only 3 failures allowed). The reliability performance of the bulbs is based on the exponential reliability distributio..
A CMOS output driver circuit on an IC is connected to an external transmission line. The NMOS and PMOS transistors have gate oxide thickness d = 2.0 nm and channel length L = 0.25 mum. The power rail is VDO = 1.0 V.
The voltage across the load must remain between 4.7 and 5.0 V for all values of load current. Design a voltage-divider network to supply the load. You may assume that resistors of any value desired are available.
For a 64-PSK modulator with an input data rate(fb) equal to 36 Mbps and a carrier frequency of 100 MHz. A. Determine the minimum double-sided Nyquist bandwidth(fN) and the baud. B. Sketch the output spectrum.
Perform experiments using your circuit design. Using your digital scope, plot (and submit) input voltage and output voltage from your circuit design. Try to vary the filter portion (R, L, C) of your circuit and plot (and submit) output voltages.
basic signals 1.generate and plot using matlabs stem command the sequence xn 0.95n cos?20 n for 0 le n le 63. note
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