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Assume the full-scale value of the analog input voltage to a particular analog-to-digital converter is 10 V.
a. If this is a 3-bit device, what is the resolution of the output?
b. If this is an 8-bit device, what is its resolution?
c. Make a general comment about the relationship between the number of bits and the resolution of an ADC.
A 415V to 11 kV transformer has a rating of 200 kVA. The winding resistance and leakage reactance when referred to the primary are 0.014 and 0.057 ohms respectively.
An electric stove with four burners and an oven is used in preparing a meal as follows. Burner 1: 20 minutes Burner 2: 40 minutes Burner 3: 15 minutes Burner 4: 45 minutes Oven: 30 minutes If each burner is rated at 1.2 kW
Draw the cascade connection of two amplifiers. Write an expression for the open-circuit voltage gain of the cascade connection in terms of the open-circuit voltage gains and impedances of the individual amplifiers.
An LED is connected to a 74LS244 in an active-LOW configuration. The key parameters for the 74Ls244 are IOH=-15 mA, IOL=20 mA, VOH =2.0V and Vol=0.5V. The LED has a voltage drop of 2.0V and an operating current of 15 mA.
Identify the tank, you need to see what kind of barrel is on the tank - What is the transmission of the receiver path? Why can't the receiver efficiency be greater than 50% on the receiver path?
What is the modulus of this counter. How does this relate to the clock frequency division that this counter can provide. At what number does this counter reset to start the sequence over again.
Given a two-dimensional array named number of three rows and four columns of type int, write the single code statement that will both declare and initialize the array such that the first row is initialized to 0, 1, 2, 3
A former dean of the Kellogg School of Management used to warn faculty not to gloat about the school's #1 ranking in Business Week. Why do you suppose he issued this warning?
What is the electric potential at the center of the square?
1. explain the basic features of electricity at a fundamental level?2.what part of a cable are insulators and
Frequency. How does the frequency of the harmonic oscillation change if we (i) double the mass, (ii) take a spring of twice the modulus? First find qualitative answers by physics, then look at formulas.
A power amplifier has a gain of 15 dB and an input level of 2 volts. Assuming that the input and output impedances are the same, what is the voltage level at the amplifier output
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