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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.
Such a call would not be billed, even though it may have been completed. if a call lasts more than 6seconds, the two entries would have different time stamps and wouldbe billed. Sketch a graph that
Construct a 16-bit parallel adder with four MSI circuits, each containing a4-bit parallel adder. Use a block diagram with nine inputs and fiveoutputs for each 4-bit adder. Show how the carries are
Design a finite state machine that has an input (w) and an output(z). The machine is a sequence detector that produces (z =1). when the previous two values of (w) were (00 or 11); otherwise (z = 1).
A separately excited DC motor fed through asingle phase semi- converter runs at a speed of 1200 rpm when Acsupply voltage is 230V, 50 Hzs and the motor counter emf is 140v.The firing angle delay is
Given a sinusoid v1(t) whose phasor isV1 = -3 + j4 V, use phasor phasor method to find the voltage v2(t) that leadsv1(t) by 90 degrees and has an amplitude of 10V.
A low-voltage lighting system is to use a binary logic control for a particular light. This light lies at the intersection point of a T-shaped hallway. There is a switch for this light at each of th
A binary integer of arbitrary length is presented tothe serial leading-1s detector, most significant bit first, oninput X. When a given bit is presented on input X, thecorresponding output bit is to
A Universal Serial Bus (USB)communication link requires a circuit that produces the sequence00000001. You are to design a synchronous sequential circuit thatstarts producing this sequence for input
Draw the logic diagram of a 4-bit parallel load register; include a reset signal forclearing the register when the reset signal is set to 0.
1. What should the length of an antenna be if it is going tobe used to send data at 145.01MHz, assume a 1/4λmonopole antenna is used. 2. The impedance of an antenna was measured as z = 17 -j47