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Design a 4-bit down counter with truncated sequence that countdown a truncated sequence from 1111 to 0101. On reaching the countvalue 0101, the counter must preset to 1111. Also draw its timing diag
Three incandescent lamps rated 60 W, 120 V are connected is delta. What line voltage is needed so that the lamps burn normally
Three resistors are connected in delta. If the line voltage is 13.2 kV and the line current is 102.2 A, calculate the following: a. The current in each resistor. b. The voltage across each resistor. c
The following binary numbers have a sign in the leftmost position and, if negative, are in 2s complement form. Perform the indicated arithmetic operations and verify the answers. a.) 110001 - 010010
Implement the following Boolean function with an 8-to-1-line multiplexer and a single inverter with variable D as its input: F(A,B,C,D)= Em(2,4,6,9,10,11,15)
Design a filter with lower frequency cut-off: 10Hz, upper frequency cut-off: 2KHz, gain of 5, and an input resistance greater than 5kOhms.
On the right side, we have an inductor and a impedance 2+4i and another impedance 20<30 ohms and the voltage across it is V3. The ratio of the circuits are 2:5 from left to right respectively. We
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.