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An SSB generator has a 9 MHz carrier and is used to pass voice frequencies in the 300- to 3300-Hz range. The lower sideband is selected. What is the approximate center frequency of the filter needed
A collector modulated transmitter has a supply voltage of 48 V and an average collector current of 600 mA. What is the input power to the transmitter. How much modulating signal power is needed to p
The program will store these values into an array and call a function that will return the average of the temperatures. It will also call a function that will return the highest temperature and a fu
design a pulse-mode (Asynchronous, no clock) automatic vending machine. The candy bars inside the machine cost 25 cents. The machine accepts nickels, dimes and quarters. There is an electromechanica
Consider a unity feedback system with open loop transfer function G(s) (a) sketch the root locus of the system as k changes from zero to infinity. (b) if a series compensator with a transfer function
Digital Communication Techniques. A D/A converter has a 12-bit binary input. The output analog voltage range is 0 to 5 V. How many discrete output voltage increments are there and what is the smalle
Design an amplifier capable of providing the specified gain over a frequency range of 20 Hz to 10Khz under the following conditions. Input source is 2700ohms resistive, and the output load impedance
A 300 kW, 6600 V, 8-pole, 50 Hz, three-phase, Y-connected, non-salient pole (i.e., cylindrical rotor) synchronous motor has the following parameters: Xs = 72 ohm /phase at 50 Hz, R =10 ohm/phase for
The equivalent circuit parameters are R1=0.48 ohms, X1=0.80 ohms, R2'=0.42 ohms, X2'=0.80 ohms, Xm=30 ohms The motor is operating with slip of 0.04. Find the input current and power factor.
The total friction and core losses may be assumed to be constant at 403 Watts, independent of load. For a slip of 2% , compute the speed, output torque, and power and stator current, power factor an
The voltage ratings are 4800v rms and 240v rms for the primary and secondary windings, respectively. The transformer is rated to 10KVA. Now we want to use this transformer at 120Hz. Discuss the fact
the rms voltage of a balanced 3 phase Y connected source is 110 volts at 60Hz. it is connected to a balanced Y Load by 3 distribution lines with an impedence on each line z=1+j2. the load impedence
The furniture store manager rarely finances purchases, but will for Terry "as a special favor." The rate will be 10% per year, and because the desk costs $600, the interest will come to $60 for a on
Sizes are given as the diameter of the pizza in inches. The cost of a pizza is based on the size. Bob would like to know which size of pizza has the lowest cost per square inch. a. Identify the inpu
A capacitor of value C=10 uF(microfarads: where 1 uF=10^-6 F) has a voltage of 2 volts across it. Calculate the amount of charge Q,in coulombs,on each plate.
design a state table and diagram for a campus id consisting of 6 letters. when converted to binary using ascii code the id has 7-bits for each letter . e.g campus id TSHMUD(T = 1010100, S = 1010011,
Design an analog computer circuit to solve the following differential equation 1)Draw the state flow diagram 2)Design and draw the OpAmp circuit. Show the values for the resistors and capacitors
A magnetic pickup coil is being used to make measurements which areproportional to the time derivative of the magnetic flux density, dB/dt. You wishto integrate this signal to get the magnetic flux
a) Find the amplitude and phase of the Thévenin voltage with respect to the terminals a, b. b) Find the Thévenin impedance with respect to the terminals a, b. c) Draw the Thévenin
A 3-phase motor has coils wchich can be configured in a Y load. If each load phase has an impedance of 8+j6 ohms determine the power taken by the motor when supplied by a balanced 3-phase voltage so
A three-phase generator rated 480 V, 400 kVA is connected to a three-phase transformer rated 3.2 kV Y-grounded/480 V, 200 kVA, with reactance of 10%. The transformer is 100% loaded based on its rati
Cross-section of a coaxial cable:he radii of two concentric conductor is a and b respectively. In between, it is filled with an ideal dielectric with a permittivity e. Assume the charge in the inner
(a) Find the slip at the maximum developed torque. (b) If we would like to get the maximum torque at starting (s=1), a method is to add more resistance to the rotor, R2,new=R2,old + Rextra, while th
The motor gives the output torque of 20 N-m at the rated speed. The mechanical losses are equal to 1kW. The stator losses are 1.5kW. Find the input current of the motor, given that the power factor