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design a sequence detector to detect the sequences 010 and 1001 with repetition permitted in each case.
A 4-pole, 50 Hz scharg motor, running at no-load, gives minimum and maximum speeds of 500 and 2500 r.p.m. respectively, for brush separation of 180 electrical degree (i.e. one pole pitch).
Design a sequential circuit that cycles through the BCD powers of two (1,2,4,8) in increasing order Of the BCD numbers not used,send the even numbers to 1 and the odd numbers to 8.
find the new speed and power factor,when connected to 22oV,25 hz. supply,the motor current remaining the same .The motor has total resistance of 1ohm.and total inductance of 0.1 H.
Discuss differential protection, modified differential protection and percentage differential protection of alternators. Draw the suitable connection diagrams for clear understanding.
Determine the time of operation of 5A , 3 Seconds over current relay having a current setting of 150% and a time setting multiplier of 0.8 connected to supply circuit through a 500/5 current transf
An LTI system's impulse response is described by the differential equation, dh(t)/dt + 3h(t) = impulse function. Find the characteristic roots for the system, the initial condition, and the h(t) for
a) Draw the circuit diagram of a bridge rectifier made from pn junction diodes that will function as a negative ectifier. Show the path of current flow for both positive and negative Vin. b) Plot th
A 35 kHz sinusoidal voltage has zero phase angle and amaximum amplitude of 10 mV. When this voltage is applied across theterminals of a capacitor, the resulting steady-state current has amaximum amp
It is commonly found that if a capacitor is changed to some dcvoltage and then removed from the circuit and is totally dischargedwith a "short" placed across it when the short is removed thecapacito
what is the maximum number of carrier frequencies that would ever be needed so that any arbitrarily partitioned region would never have two adjoining cells that use the same frequency
Design a non-inverting op-amp with a bandwidth of 20kHz whose open-loop gain is 100,000 and unity gain frequency of 1 MHz. Draw the Voltage Transfer Characteristic (VTC) of the designed op-amp if th
Given the 16-bit value 1010 0101 1001 1000, what operation must be performed, and what operand is needed, in order to (a) set the most significant 8 bits to 1s (b) clear the bits in even positions (th
The address field of the instruction (stored at W + 1) is designated by the symbol Y. The operand used during the execution of the instruction is stored at the effective address symbolized by Z. An
Design a linear unregulated power supply that will provide an average of 500mA to a load at 15 volts average. Use a 12.6 VRMS sinusoidal source.
Given y[n]=x[n]+y[n-1]+y[n-2] find the unit-step response of this system using the transfer function method, assuming zero initial conditions.
A computer has a 32-bit instruction word broken into fields as follows: opcode, six bits; two register fields, five bits each; and one immediate operand/register field, 16 bits (a) What is the maximum
Describe three methods of comparing techniques to improve the first swing electromechanical transient behaviour of such a generator.
State the main reasons for the use of excitation control using feedback of terminal voltage for a turbo generator supplying powerto a complex power system.
An analog line concentrator resides logically between the line circuits and the line side of a switching fabric. One might be placed physically at the distribution point in the loop architecture or,
consider a TSI for a system with four timeslots per frame. Draw a block diagram- it should have four 2-bit words, eight 8-bit words, and a 3-bit binary counter. Walk the TSI through three consecutiv
A signal, bandlimited to 1Khz, is sampled by multiplying it with a rectangular pulse train with repetition rate 4KHz and pulse width 50 μs. Can the original signal berecovered without distortion,
A load consisting of a 1350Ω resistor in parallel with a 405mH inductor is connected across the terminals of a sinusoidalvoltage source vg, where vg = 90 cos 2500tV. a) What is the peak value
Call setup is proportional to arrival rate and usagecost is proportional to traffic intensity. (a) what happens to total cost if arrival rate doubles, but holding time halves (b)what happens to tota
Design a combinational circuit that multiplies two 2-bit numbers, a1,a0 and b1,b0, to produced a 4-bit productc3,c2,c1,c0,. Use AND gates and half-adders.