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Consider the development of a "through-beam" photoelectric sensor. A through-beam photoelectric sensor consists of a transmitting light source and a photo receiver. The transmitter and the receiver are lined up. When the beam is not broken, light from the transmitter hits the receiver and turns on the output transistor from the receiver. Their purpose is to detect objects as the objects break the beam. What are the operational parameters that must be determined before starting to design a through-beam photoelectric sensor?
What RF bandwidth must the radio link provide if the modulation is binary phase shift keying (BPSK)?
A full-wave bridge rectifier circuit with a 1-kohms load operates from a 120-V (rms) 60-Hz household supply through a 10-to-1 step-down transformer having a single secondary winding
Determine the range of values of K such that the system is stable for s(s²+4s+10)+ k (s+5)=0
calculate the amout of mmf generated by a coil of wire having 1300 turns and carrying milliamperes of current?
a resistor is required for an application that requires its value to be no less than 7.1k ohms and not more than 7.9k ohms. determine the nominal value and the maximum tolerance of the resistor you could use. explain.
Determine the settings Z1, Z2 & Z3 for the relay at B12.
In a balanced three-phase system the Y-connected impedances are 3∠60°Ω. If V_bc=480∠-75° V, find current of phase "b" in polar form.
construct a vertical line on your I versus V graph at the point V=5V. this line will intersect each of the sloping lines at two separate points. explain the significance of these intersections.
A 1.0 dc voltage source is connected across a 10 ohm resistor. What is the current through the resistor if (a) the voltage source is ideal (b) the voltage source has internal resistance 0.1 ohm (c) internal resistance 1.0 ohm
Transmit this data wirelessly to a base station for storage. How much bandwidth would you need.
What are the design implications for the location and positioning of solar cells? Explain why the use of solar cells might be more appropriate in some regions of the country.
Why Can Discrete-Time FIR Digital Filters be a Linear Phase, Why can discrete-time FIR digital filters be made exactly linear phase, whereas IIR digital filters cannot?
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