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G is a material constant equal to 0.055 V-m/N for quartz in compressive stress and 0.22 V-m/N for polyvinyl lidene fluoride in axial stress.
a. A force sensor uses a piezoelectric quartz crystal as the sensing element. The quartz element is 0.25 in thick and has a rectangular cross section of 0.09 in2. The sensing element is compressed and the output voltage measured across the thickness. What is the output of the sensor in volts per new ton?
b. A polyvinyl lidene fluoride film is used as a piezoelectric load sensor. The film is 30 µm thick, 1.5 cm wide, and 2.5 cm in the axial direction. It is stretched by the load in the axial direction, and the output voltage is measured across the thickness. What is the output of the sensor in volts per new ton?
Telephone channels and PCM analysis, The analog to digital converter (ADC) used in a telephone system outputs 8 bit words. The digital words are transmitted as a serial stream to form a PCM voice signal
series-tuned resonant circuit operates at a resonant frequency of 1 mhz and contains a 0.1 microfarad capacitor and a
Analysis of z transform to time domain, poles and zeros, From a given z transform X(z) = {1- z^-10}/{1 - z^-1} the discrete time domain form x(n) is deduced using complex manipulation and inverse transforms to arrive at x(n) = x(n-1) + u(n) - u(n-..
Using 1.5v batteries, a switch, and 3 lamps, device a circuit to apply 4.5v across one lamp, two lamps in series, or three lamps in seris with a single control switch. Draw the schematic.
a 300-kilowatt-ampere transformer bank consisting of three 100-kilovolt-ampere transformer has a 3-phase 480-volt
A cylindrical conducting shell of radius ρ=4mm and negligible thickness forms the inner conductor of coaxial line, the outer conductor is a coaxial conducting cylinder of 20mm radius and negligible thickness.
A 3.3V, 30 A dc power supply is to be designed with a ripple of less than 2.5%. Assume that a half-wave rectifier circuit (60 Hz) with a capacitor filter is used.
Suppose that the type of key in a hashing application you are implementing is String. Design, implement, and test a hash function that converts a key to a hash value. Assume that the size of the hash table is a prime number.
Title: Design and DC Analysis of Transistor Biasing Circuits. Objectives: To design, analyse and compare BJT(bipolar junction transistor) and FET(field effect transistor) practical transistor circuit using commercially available electronic componen..
digital systems and microprocessorsproblem 1. design a sequential system to continuously output your set of eight
a parallel plate transmission line is made up of perfect conductors of width w = .2m and d = .01m. The medium between the plates is a diaelectric of epsilon = 2.25*(epsilon not) and mu = mu not. For a uniform plane wave propagating down the line
what is the resonant frequency of the circuit?
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