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A storage tank has a Diameter of 20ft and a height of 10ft. The output volumetric flow from this tank is given by fout(t)=2h(t) where h(t) is the height of the liquid in the tank. At a particular ti
The voltage response for the circuit is known to be v(t)= D1te^-500t + D2e^-500t. The initial current in the inductor is -10mA and the initial voltage on the capacitor = 8V. The inductor has an indu
Design a 4-bit asynchronous down counter with truncated sequence that counts down a truncated sequence from 1111 to 0101. On reaching the count value 0100, the counter must preset to 1111.
a series parallel circuit with a 3V dc power source connected to 3 resistors. R1 and R2 are in series with the voltage source and R3 is in parallel with R2. It is given that 4amps is flowing through
The thermostat contacts are set to close at 50, 60, 70 and 80 degrees Fahrenheit, respectively. The PLC ladder logic program is to designed so that a temperature below 50 degree F, three heaters are
A CMOS clocked SR flip-flop uses a technology with unCox = 100 uA/V^2, upCox = 25 uA/V^2, VDD = 2.5V, Vtn = -Vtp = 0.5V and the total capacitance at the output nodes equals 15fF. The inverter thresh
Assume that the basic inverter has (W/L)n = 0.5 um/0.25 um and (W/L)p = 2 um/0.25 um. What is the minimum area occupied by the circuit neglecting contact areas. Assume that the inputs A and B and th
In a pseudo NMOS inverter design the maximum Vol = 0.1 V. If VDD = 2.5 V, IVtI = 0.4 V, unCox = 4 upCox = 100 uA/V^2 , (W/L)n = 0.375 um/0.25 um, find: 1. The value of (W/L)p 2. Is it a maximum or a
In a matched CMOS inverter in which Vtn = - Vtp = 0.5 V, VDD = 1.8 V, kn = kp = 600 uA/V^2 and fabricated in a 0.13 um technology, use the average current method to determine W/L ratios such that th
design a 4-bit serial adder (VHDL code or schematic) which includes two shift registers and a single full-adder to perform the following functionality with proper timing controls. Two 4-bit inputs A
Consider an oxide-to-n-type silicon junction at room temperature. The impurity doping concentration in the silicon is Nd=8 x 1015 cm-3. Calculate the maximum space charge width in the silicon.
design a 100 hp motor controller circuit which has a push button to start and stop the motor. include an external cooling fan and a means to automatically shut down the motor is it overheats. Hint a
at room temp a power transistor has beta of 160 and it is used in a DC dimmer circuit to control a 24 volt 120 watt lamp the lamp power supply is 48 volts dc and it can deliver a maximum of 21 amper
In electric motor delivers 23 hp of mechanical power into a load it runs on single phase 440 VAC and is 83 percent efficient its running power is .77 and the starting current is 70 percent higher th
A power amplifier has a gain of 15 dB and an input level of 2 volts. Assuming that the input and output impedances are the same, what is the voltage level at the amplifier output
an office with several work stations has an effective area of 527 sqft (49 meters). it has decorative incandescent lighting. The lamps are 40 watt yielding an out put of 18 lm/W. An illumination of
Write and test a program for the EASy68k to input a string from the keyboard and output a reversed string to the screen. Use a subroutine to perform the string reversal operation.
The resistance is .4 ohm for each transmission wire connecting the motor source. If the motor was operating at 100% pf and eff and the cost of electrical power was $.10/kWh, how much can be saved ea
Calculate Vout (f0), Vout (3f0), Vout(5f0), and Vout(7f0) of the frequency spectrum of a triangle wave (A = 10 V and T = 1 ms) passed through a low-pass R-C filter (R = 10 k-ohm and C =5 nF).
What is the voltage drop on a feeder 450 ft long 4 uncoated copper wire in steel conduit. V=480 3 phase four wire 60 hz. 64 amps .85 pf.
an 8 pole synchronous motor produces a full load torque of 25 foot pounds, fed from a 60hz source and is now operating at 60% eff. What is the energy cost if the motor ran for a 8000 hrs/yr and the
What assembly language instruction sequence would be used to configure an internal CPU register to access an array, named TABLE, that starts at memory location $1000. Write the assembly language ins
A 5-volt intelligence amplitude causes the frequency to change to ± 25 kHz. What will be the carrier frequency variation corresponding to an intelligence amplitude of 10 volts.
A LSTTL gate has an IOL = 8 mA. How many standard TTL gates can this gate drive. The standard TTL gate has IIL = -1.6 mA
An amplifier has an input signal, VIn = 250 V. The output voltage, VOut = 30 mV. What is the gain in dB for the amplifier at that frequency