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Analog Computers So-called analog computers use circuits to solve mathematical problems, particularly when they involve differential equations. Suppose we are given the following differential equation to solve.
In this equation, a is a constant.
a) When the input is a unit step (x (t) = u (t)), the output is given by y (t) = (1 - e -at) u (t). What is the total energy expended by the input?
b) Instead of a unit step, suppose the input is a unit pulse (unit-amplitude, unit-duration) delivered to the circuit at time t = 10. What is the output voltage in this case? Sketch the waveform.
Calculate the required thickness [in x-direction] of a silicon wafer in nm to create an 0.2 eV energy difference between the two lowest Enx energy states, use mn*= 0.3 x mo with mo = 9.11x10-31 kg. Assume the y and z-direction infinitely long.
Bit 4 of Port B is connected to a switch that normally outputs a zero. Monitor this switch to detect a change from zero to one. Immediately when it becomes one, call a function to toggle Bit 5 of Port B, which is connected to an LED.
A separately excited DC generator,when running at 1200 RPM, supplies 200A at 125V to a circuit ofconstant resistance. What will the current be when the speed is reduced to 1000 RPM if the field current remains unchanged
Design a 2-stage voltage amplifier, the first stage a common-source and the second a source-follower. The load onthe S-F is 100 ohm, and the signal impedance is 1 K-ohm. The overall voltage gain should be -10 V/V. Use a single power supply, VDD = ..
A shunt-connected motor has the magnetization curve shown in Figure. Ignore rotational losses in this problem. The motor is supplied from a source of VT = 240V and has RA = 1.5 Ω. The total field resistance is RF + Radj = 160 Ω. Find the no-load ..
1. Write this as a Boolean expression in canonical minterm form 2. Rewrite the expression in canonical maxterm form 3. Write the complement of f in 'little m' notation and as a canonical minterm expression
Which side of a pn junction should be connected to the positive voltage for forward bias In normal operation, which type of bias (forward or reverse) is applied to the emitter-base junction of a BJT To the collector-base junction
A transistor amplifier has a midband gain of -120, a high cutoff frequency of 36KHz, and a bandwidth of 35.8 KHz. In addition, the actual response is also about -15 dB at f=50Hz. Write the transfer function Av for the amplifier.
you have the task of ordering a replacement inductor for one that has become defective. The information on the nameplate has been painted over and cannnot be read. The machine that contains the inductor on 480V at a frequency of 60 Hz.
A 10-hp six-pole 60-Hz three-phase induction motor runs at 1160 rpm under full-load conditions. Determine the slip and the frequency of the rotor currents at full load. Also estimate the speed if the load torque drops in half.
a voltage divider is required to produce a 5.5V output from a 12V source. if one of the resistor values is 1.0k, what value is required for the second resistor so that the voltage across the 1.0k resistor is 5.5V
Important information about RC Series Circuit, An RC series circuit has a voltage source of 10Vac, a resistor of 10ohms, and a capacitor with an impedance of -j10ohms
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