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A 3-phase,4pole star connected turbo alternater has a cylindrical rotar. The reactance and resistance perphase of winding is 2.5 ohms and 0.15 ohms.The alternater hasterminal potential difference of
An NRZ-L signal is passed through a filter with r = 0.5 and thenthen modulated onto a carrier. The data rate is 2400 bps Evaluate the bandwidth for ASK and FSK. For FSK assume that the twofrequencie
Desing a combinational circuit that accept a 3-bit numbuer and generates a 6-bit binary number output equal to the squre of the i/p number.
In discovering a material that would be superconducting above room temperature, so that no refrigerant would be required. Suggest how the properties of such superconductors could be valuable in eac
Consider a diode with n=1 which biased at 2mA. Find the change incurrents as a result of changing the voltage by (a) -10mv (b) +5mv(c) +10mv , using small signal model and exponential model
plot the magnitude and phase (bode plots) of the following transfer function in the frequency range of 0.1 to1000rd/sec. Fs=(s+10)(s+50)/200s2
Calculate the drift current in cylindrical piece of material (crossection is 1cm2) with conductivity 10E3 1/Ohm*cm if the internal electric field directed along cylinder axis equals 10 V/cm.
Show that H(s) is invertible with an LTI inverse that is causal and stable (meaning, we can implement the inverse system) if and only if all poles and zeros of H(s) are strictly in the left half pla
Explain how to find a causal, stable LTI system with rational Laplace transform G(s), such that, at least,the magnitude frequency response of H(s) is inverted; i.e.,|G(jω)| = |H(jω)-1|.
Design the simplest all-NOR circuit that has three inputs, x1, x2, and x3, which produces an outpt value of 1 whenever exactly one or two of the inpuit variables have the value 1; otherwise, the out
The total lighting load is 8 KW.The national electric code requires that no circuit breaker belarger than 20 Arms with a 25% safety margin. Determine the number of identical branch circuits needed f
Discuss how a shift register differs from a counter and how flip flops are used in counters and shift registers. Also discuss different applications of counters and shift registers.
A load is consisting of induction motors is drawing 80 kW from a 220-V, 60-Hz power line at a power factor of 0.72 lagging. Find the capacitance of a capacitor required to raise the pf to 0.92.
Determine Q and Q' output waveform for positive edge-triggered S-R flip-flop. Assume that positiveedge-triggered S-R flip-flop is initially reset.
An Audio Signal s(t) generated by a loud speaker is reflected at two different walls with reflection coefficients r1 and r2. The signal x(t) recorded by a microphone to the loud speaker, after sampl
It is required to design a peak rectifier dc power supply(i.e. one that uses a filter capactor) that provides an average dcoutput voltage of 15V on which a maximum of ±1V ripple isallowed. Th
Design a zener shunt regulator to provide an output voltage ofapproximately 10V. The supply is a 20V± 20% source andthe load current varies from 0 to 20mA. The zener availablefor use is a 1 w
Design a combinational circuit that converts a 4-bit gray code to a4-bit binary number. Implement the circuit with exclusive-OR gates.
A 10 Bit Ripple Counter has a 256KHz Clock Pulse. Assume thatthe counter starts at zero. What will be the count in Hexadecimal after 1000 pulses
The ciruit assumesthat the input terminals have the complements of the G's, the P's,and of C1. Derive the boolean functions for the look-ahead carries C2, C3, and C4in this IC. (Hint: Use the equati
(a) Design a half-subtractor circuit with inputs X and Y and outputs D and B. The circuit subtracts the bits X-Y and places the difference in D and the borrow in B. (b) Design a full-subtractor circ
Provide an output V to indicate that at least one of the input ispresent. The input with the highest subscript number has thehighest priority. What will be the value of the four outputs if inputs D5
Design a combinational circuit that accepts a 4-bit number and generates a 3-bit binary number output that approximates the square root of the number. For example, if the square root is 3.5 or larg
As with binary numbers, there are many possiblerepresentations of negative BCD numbers. Signed BCD numbers haveone extra digit position for the sign. Both thesigned-magnitude and 10's-complement re
(The output generates the 2's complement of the input binary number) Show that the circuit can be constructed using Exclusive-OR gates. Can you predict what the output functions are for a 5-bit 2's