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Final Control Lab
1. The SCR in Figure 1 below requires a 3 V trigger. Using Multsim, design a system by which the gears are shifted when a CdS photocell resistance drops below 4k.
2. Using Multisim, design a system by which a control signal of 4 to 20 mA is converted into a force of 200 to 1000N. Use a pneumatic actuator and specify the required diaphragm area if the pressure output is to be in the range of 20 to 100kPa. An I/P converter is available that converts 0 to 5 V into 20 to 100 kPa. A block diagraph of the system is shown below. (Hint: Use a differential amplifier. You are only designing the circuit to interface into the I/P below)
question 1consider two digital sequenceshere m is a positive integer and is a value in the intervala using the
How to calculate the minimum sampling frequency to guarantee x bits of signal to alias ratio for a certain range of frequencies [a, b], knowing that you have a low pass (anti-aliasing) filtered signal at f= y kHz
The voltage and current at the terminals of the circuit element are zero for t
The amplifier has a Thévenin voltage of 25[Vrms], and a Thévenin resistance of 0.275[O]. Find the turns ratio for the transformer, so that the maximum possible power is delivered to the speaker.
Given a char variable called gender, write C++ statements to output "Male" if gender contains upper or lower case M, "Female" if it contains upper or lower case F, or "Invalid Gender" if it contains anything else. Use if / else if statements.
Calculate the location of Ei in silicon at liquid nitrogen temperature(77k), at room temperature 300k and at 100 degree celsius (let mp =1.0mo and mn= .19m0) Is it reasonable to assume that Ei is the center of the forbidden gap
what effect does the diode barrier potential have on the difference between the peak input voltage and the peak output voltage. Explain
An LED with a rated range of VF = 1.4 V to 1.8 V at IF = 20 mA is connected to a driver circuit with a peak output of 14V. What value of current-limiting resistor would be needed to limit the LED current to a maximum value of 20 mA
a) Construct 4 to 16 line decoder with 3 to 8 linedecoders adn additional circuit as appropriate show using block diagram. b)Design a 5x1 using 3x1 muxes and any additional entities needed.
A balanced 3-phase 3-wire system has a line voltage of 500Vrms. Two balanced Y-connected sources are present. One is acapacitive load with 7-2j Ω per phase, and the other is aninductive load with 4+2j Ω per phase.
A shunt regulator utilizes a zener diode whose voltage is 5.1V at a current of 50 ma and whose incremental resistance is 8 ohms. The diode is fed from a supply of 12 V nominal voltage through a 220 ohm resistor
a certian voltage is +10V for 20ms and -10 V for the succeding 20msand continues osciallating back and forth between these two valuesat 20ms intervals. The voltage is present across a 50 ohmresistor. over any 40ms interval
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