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Assume that the temperature is measured by a sensor that is connected to a PLC. PLC analog input module generates a number in the range of 3277 to 16384. The temperature is in the range of 49 to 814 °C. Calculate the offset of the scaling formula to convert the input signal to the temperature in degrees centigrade. (Note: Write the answer with 3 significant digits)
A 10-bit 5-V ADC operates with a sampling frequency of 1 MHz. If a sinusoidal histogram test is to be conducted on this ADC with an input frequency of 100 Hz, how many samples need to be collected for processing? How long will it take to collect t..
The input impedance of a certain antenna is 30+ j40 ohms and the rms voltage across the terminal is 100 V. If the antenna were 100 percent efficient, determine the total radiated power in watts.
Figure 12.83 shows a 3:8 decoder [Lyon87]. How does the logical effort of each input compare to an ordinary decoder made of 3-input NORs? Does the decoder have any performance drawbacks?
The outside temperature and heat transfer coefficient are and The two plane surfaces are maintained at uniform temperature. Write the two-dimensional steady state heat equation and boundary conditions.
A coaxial cable contains material with a dielectric of 9. The diameter of the inner conductor is 2 mm and the diameter of the outer conductor is 12 mm. Determine the velocity of propagation in m/s.
Consider an LTI(linear,time-invariant) system with input x(t) and output y(t). Suppose you know(measure) the step response, tha is , for x(t) =u(t), you know that y(t) = 2e^(-0.5t)*u(t). Find the output for the following different inputs
Determine the most economical cross-section for a 3-phase transmission line, 1 km long to supply at a constant voltage of 110 kV.
Draw a FBD (free body diagram) for a rocket flying at an arbitrary angle. Indicate the force vector due to gravity and force vector due to air resistance. Why does the direction of the net force change over the course of the rocket's trajectory
Design a five section high pass lumped element filter with 1 dB equal-ripple response, a cut-off frequency of 1 GHz and an impedance of 50 Ohms. Plot the amplitude and phase response of the filter.
A series of combination having R=2Mohm and C=0.01 UF is connected across a D.C. voltage source of 50V. Determined capacitor voltage and charging current after 0.02s, 0.04s and 1 hour.
Find the mAh rating of the 1.0-V Eveready® BH 500 battery if the current drain is 550 mA using given Fig. - How long will it supply this current?
What are input and output voltages and what is the purpose of the diodes?
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