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design a propotional controller for a system with the transfer function G(z)=K/(z-0.4) to have a damping ratio of 0.7
Assume there is no electric field in this problem. Hint: angular acceleration is u2 /r where u is the velocity of the particle and r is the radius of the circular path. the frequency of the particle
A ring conductor of radius 1 m is located on the xy-plane, centered at (0, 0, 0), and carries a current of 1 A in the counter-clockwise direction. A line conductor parallel to the y-axis and passing
Consider a finite state machine that generates z = 1 when the previous four values of input variable 'w' are either '1001' or '1101'. Solve this problem by Mealy and by Moore. Show the state diagram
Design a counter that counts pulses on line 'w' and displays the count in the sequence 0,1,3,2,0,1,3,2,0,1. Use D flip-flops in the circuit.
with a DC motor position control system with a (type 1) analog plant that has the transfer function: G(s)=1/s(s+1)(s+10) design a digital controller with a settling time of around a second and an ov
design a decade counter which counts in the sequence: 0000, 0001, 0010, 0011, 0100, 0101, 0110, 0111, 1000, 1001, 0000 draw a complete state diagram for the counter of (b) showing what happens when t
Design a comparator circuit that indicates when two 4-bit binary numbers are equal. Indicate with an LED when two inputs are equal. a. write the binary equations for the circuit's description. b. Usi
For a PMAC (permanent-magnet ac) machine, what would happen if the supplied frequency is not same with the rotating frequency of the rotor
What is the magnetic force on a square loop of current I placed in a uniformed magnetic field B with the plane of the loop perpendicular to the magnetic field. Explain
The p-n junction in part (a) is used as a capacitor in an LC circuit to tune two WHRO stations in your car radio. When no voltage is applied a radio station transmitting at 89.5 MHz is received. Wha
The armature is stationary so that the length of the air gaps, g=10mm, is fixed. A direct current passing through the coil produces flux density of 1.2 T in the gaps. assumeπr=4,000 for sheet ste
consider a random data paatern consisting of binary 1's and 0's , where the probability of obtaining either binary 1 or binary 0 is 2/3 and 1/3 respectively . calculate PSD for bipolar NRZ signaling
A 85F capacitor is charged by a constant current source, and its voltage is increased to 6 V in 7 s. Find the value of the constant current source, Is, and the energy stored in the capacitor after 7
A magnetic dipole mux of infinitesimal radius is located at (1, 0, 0). The magnitude of B at the origin (0, 0, 0) is 2.5 T. Find B in vector form at (3, 0, 0).
Two line conductors carry currents of 1 A and 2 A respectively. The first conductor is on the x-axis, while the other is parallel to the y-axis, and passes through the point (0, 0, 1 m). Find all po
Two very thin concentric rings lies in the xy-plane with their centers at the origin. The outer ring has a current of 1.5 A in the +uφ direction and has a radius of 50 cms. The inner ring has a
Consider a CMOS inverter fabricated in a 0.25-μm CMOS process for which VDD = 2.5 V, Vtn-Vtp = 0.5 V, and μnCox = 3.5μpCox = 115 μA/V2. In addition, QN and QP have L = 0.25 μm, and (W
If an FSM has N states, what is the maximum number of possible transitions that could exist in the FSM. Assume that no pair of states has more than one transition in the same direction and that no s
Draw a state diagram for an FSM (Moore machine) with no inputs and three outputs x, y, and z, where xyz should always exhibit the following sequence: 000, 001, 010, 100, repeat. Make 000 as the init
Draw a state diagram for an FSM that has an input X and an output Y. Whenever X changes from 0 to 1, Y should become 1 for two clock cycles and then return to 0, even if X is still 1. Develop both t
A point charge of 1.8mC is at the centre of a cubical Gaussain surface having each side 50cm. What is the net electric flux through the surface
The current in a solenoid is 5amps when it is connected to a 24v battery and 1.2amps when it is connected to a 24v, 60 Hz alternating current power source. Find the resistance and the inductance of
A 200 hp, 230 V, 500 rpm separately excited dc motor is controlled by a chopper. The chopper is connected to a bridge-diode rectifier supplied from a 230 V, 3 phase, 60 Hz ac main. The motor chopper