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HALF-ADDER:
S = XY' + X'Y , C = XY (These are the outputs)
1. From the equation given for half-adder, develop an equation for which the half-adder can be constructed just with NAND gates. Draw the circuit as per the equation obtained.
2. Explain with reasons and necessary boolean equations why it is easy to construct adder circuits with XOR gates.
An npn BJT has an emitter area of 2micrometer^2. The doping concentration in the base is Nb=3x10^16/cm^3. The BJT is operating with Vt=26mV and ni=1.5x10^10/cm^3. For electrons diffusing thru the base Dn=34cm^2/s.
Design a 2-digit 24 second "shot-clock" countdown timer with pushbutton controller.
Define Root Locus and Routh-Hurwitrz, Use Routh-Hurwitz to find vales of K so that L = k (s+1) / (s^2 +4) (s+10) has poles to the left of s= -2
A 150 MVA, 24 kV, 123% three-phase synchronous generator carries the rated load at a power factor 0.83 (lagging). Calculate the necessary excitation voltage and input complex power.
Estimate the diffusivity of a spherically shaped protein with a MW of 36,000 in water at 37oC.
When the amplifier is operating with a bandwidth first of 10MHz, find? 1) The RMS input noise power level? 2) The audio output power level? 3) The RMS output noise power level?
A dc machine is rated 5 hp with V_f = 240 V, V_a = 240 V, r_a = 0.63 ohms, and L_AF = 1.8 H. At rated condtions w_r = 127.7 rads/s and the total resistance of the field circuit is 240 ohms. a) Calculate the rated armature current.
Hand calculate the expression for the voltage and current of the capacitor and plot these equations by using MATLAB and calculate the time constants of each circuit and point out this time constants at your voltage graphs.
Implement a high-speed multiplier which will multiply two 2-bit binary numbers (B1B0 and C1C0) using a 16X4 PROM (lookup table implementation). List the content of all the memory locations in the PROM and describe the operation.
A coaxial cable has a loss of 5.6 dB at a frequency f. A signal at f has ans rms amplitude of 1.7 mV at the cable input. What is the rms amplitude after it has traveled the length of the cable
A three-phase substation transformer operating at 34.5kV is loaded to 24 MVA. What is the per-phase current? (assume balanced conditions)
How much hydrogen would be needed to give the car a range of 300 miles if the source of electricity is an on-board fuel cell with an efficiency that is 50% of the ideal?
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