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design the logic to control the temperature in a green house. the temperature between 72 degrees and 80 degrees if the tem is below 72 degrees, a heater must be activated if the tem is above 80 degrees a cooler must be started. there are 2 sensors one output a high if tem is below 72 degrees and one outputs a high if the tem is above 80 degrees. these sensors are prone to failure so the design must be able to detect if both sensors are on at the same time. if that happens, the circuit must turn off the heater, turn off the cooler and set an alarm for maintenance represent the heater and alarm as a rectangle design the logic for security system. the system contains a door sensor a window sensor and a key activation switch. if the switch is on opening the window will set off alarm immediately. opening the door will start a 30 second timers. if the the key switch is not turned off within 30 sec thte alarm is set off. the door sensor and window sensor output a low when they are opend. the 30 sec timer requires a high to activate and output a high when the timer expire. the key switch output a high when it is activated and low when it is deactivated in ur circuit schematic represent the timer as a box labeled 30 s timer
A fiber optic audio system consists of an input, a playback head that has a transfer function of .7, an amplifier with a gain of 6 and a speaker system with a transfer function of .4. Find the output for an input of 0.08V
a plane wave is obliquely incident onto the planar interface between mismatched, lossless, nonmagnetic, uniform media, yet undergoes no reflection. If incidence is at 54 degrees to the normal, at what angle to the normal does the transmitted wave ..
Given a 1-phase 50 kVA 12.47 kV pf = 0.8 lagging static load a. Modeling the load as constant complex power, determine the correct value for S and I. b. Modeling the load as constant complex impedance, determine the correct value for Z and I.
Develop a voltage-to-current converter that satisfies the requirement I = 0.0021Vin. If the op amp saturation voltage is ±12 V and the maximum current delivery is 5 mA, find the maximum load resistance.
A manufacturing plant has a 600V, 60Hz supply and the following loads: Lights: 24kW Electric furnace: 4.8 + j6.4%u03A9 with a current of 150A Motor loads, 160kW at 0.8 Power Factor, lagging.
After t = 0, the current entering the positive terminal of a flashlight bulb is given by: i(t) = 2(1 - e^ -10t) A and voltage given by: v(t) = 12e^-10t V Determine the maximum power delivered to the flashlight.
Design a 4 input, 1 output combinational circuit. the input represents a 4-bit number, N = X3X2X1X0, which ranges from 0 to 15. The output, PN is 1 when N represents a Prime Number, otherwise PN is 0.
What is the (approximate) maximum electric field intensity for which constant mobility may be assumed for electrons in silicon. In a digital circuit with a supply voltage of 1V, what is the corresponding gate length for MOS transistors.
Consider the function F = x · y + x(not) · z. a) Expand the function to its canonical or standard sum of products (SOP) form. b) Express the function in its canonical or standard product of sums (POS) form.
What are the filter gains for the stopband at the cut-off frequency and 500 Hz, and passband at 3000 Hz based on the plot of the magnitude frequency response. Print the highpass IIR filter coefficients and plot the frequency responses using MATLAB..
A perfect conductor with bias voltage Vo is insulated with a wedge shaped dielectric material of angle, =450, whose relative permittivity is εr. Use electrostatic boundary conditions to determine the electric displacement, D
Discuss the differences between, advantages and disadvantages of the following types of grounding systems: ungrounded, solidly grounded and high resistance grounded systems.
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