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A science student is building a circut. He has aquired a 8V .5A DC source. However, the LED lights in the circut need 3V or they will burn out. How much resistance should he use to make the circut r
Develop a logic circuit whose output is high when the input has had three consecutive ones to the input. Overlapping threes are allowed. (e.g., x=011110110 then the output z=000110000 assuming start
A counter is needed to count the number of items passing ona conveyor belt. A photocell and light source combination is usedto generate a single pulse each time an item crosses its path. The counter
Design a circuit to generate a 20 kHz train of pulses with width proportional to an input voltage in the 0 - 5V range. You may use digital components such as clocks, counters and comparators.
A voltage of 20 u(t) V, where u(t) is the unit step function, is applied to a circuit consisting of the series combination of a 100 KΩ resistor and a 0.01 μFCapacitor. a.) What is the time co
Signal generator‘s internal impedance is purely resistive andhas an open-circuit voltage of 3.5 V. When the generator is loaded with 22 ohms of resistance, its terminalvoltage drops to 2.8 V.
a mealy sequential network has two inputs andone output. if the total number of outputs recieved is >=4 andat least three pairs of inputs have occured,then the output shouldbe 1 coincidence with
In a certain audio recording system, it is desired to be able tomix two signals v1 and v2 and provide an adjustment for the levelof each. The desired sum v(output) will be of the formv(o)=k1v1+k2v2
a) Find the two values of vGS that give there spective limiting values of resistance b) Estimate the maximum permissible amplitude ofvDS for this resistor to operate as a linear device
The trigger circuit of thyristor has sourcevoltage of 17V and load line has slope of -120V per ampere. The minimum gate current to turn on the SCR is 24mA. Find source resistance required in the gat
Determine the power produced at 2 PM on December 21st from a 10 square meters south facing solar array oriented at 45 degrees from horizontal and located in Atlanta , GA. Use nominal efficiency data
A 1.0000 V signal is converted to an 8-bit binary signal throughand ADC. The signal is then fed back into an 8-bit DAC. assummingthat both ADC and DAC range from 0 to 5.0 V, what would the outputvol
An amplifier produces a sinusoidal signal of 8.5V peak acrossa 50-ohm resistive load. the amplifier is powered from a 12Vvoltage source. a) What is the signal power delivered to the load
A strain gage has a nominal resistance of 120Ω. the gage is installed in a bridge circiut having equal arm resistance of 120Ω qne iw operated as a current-sensitive device with a detect
An LVDT Is used to measure the axial deformation a simple bar.The uncertainty in this measurement is ± 0.025mm. A steelbar is to be used to measure a force of 1100N with an uncertaintyof 1 pe
An noninverting amplifier op amp circuit is operated with V_DD=5Vand V_SS=0V, and the input signal ranges from 0.3V to 0.6V. What is the largest value of the closed-loop gain for which the circuit w
The motor draws a current of 20 A at givenload. Armature resistance method of speed control is employed tocontrol the speed of the motor. Calculate (a)the resistance that should be added to the arma
On the other hand, when S is high,we should have O1 = I2 and O2 =I1. Thus, S acts as the control input for a reversingswitch. Use Karnaugh maps to obtain a minimal SOP(sum ofproduct) design. Draw th
Design a 4-bit "adder/subtractor/comparator" circuit with inputsand outputs. it will have as inputs a control input SUB/ADD' amdtwo four-bit two's complement numbers, A4-A1 and B4-B1. It will have a
An overflow occurs when the result of adding two number is larger than can be represented. for example, two 4-bit signednumbers will cause an overflow if their result is greater than +7or less than
Explain with necessary derivation and EM details, why depletion layer charge appears when two dissimilar semiconductors(such as P and N materials) are combines to form a common junction.
Design a system in frequency domain to remove White Gaussian noise from a speech signal. Validate yourDesign using MATLAB or SIMULINK.
Draw the circuit diagram of a 4-bit binary adder-subtractor using a 4-bit binary adder and XOR gates. Treat the adder asa block component with appropriate inputs and outputs. you doNOT need to show
A 500 Hz square wave is applied to theCK input of a T flip-flop with T held high. (a) Draw 6 cycles of the square wave along with thecorresponding flip-flop output. (b) Draw a circuit showing two T fl
An unusual capacitor has a capacitance that is a function of time given by C = 2 + cos(2000t) μF in which the arugument of the cosine functionis in radians. A constant voltage of 50V is applied to