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a) Design an operational amplifier cicuit that has the following specifications:
Gain=-3; Input impedence>20 kohm
You have unlimited number of resistors of values 1,2,5, and 10 kohms and LM741 op amps. Input impedance of LM741 op amp is 3Mohm.
b) If the cost of a resistor is 3 cents and LM741 is 50 cents, provide a circuit design with a minimum cost.
calculate inductance of sensor for air gap of 1mm and 3mm?
A pn junction for which the breakdown voltage is 10 V has a maximum safe power dissipation of 0.5 W. a) What continuous current in the breakdown region will raise the dissipation to half the rated value
1. Determine the wavelengths for electromagnetic waves in free space with the following frequencies: 1 kHz, 100 kHz, 1 MHz, 1 GHz. 2. Determine the frequencies for electromagnetic waves in free space with the following wavelengths: 1 cm, 1 m, 10 m..
Can A Buck Converter with Synchronous rectifier operate in DCM at a light load If the load is disconnected how does this affect the Inductor current
An induction motor has an output or shaft power of 30 kW at 86% efficiency. For this operatingcondition, stator copper loss = rotor copper loss = core loss = mechanical rotational losses. Determine the slip.
A 600 V, dc shunt motor has armature and field resistance of 15 ohms and 600 ohms respectively. When the motor runs unloaded, the ine current is 3 A, and the speed is 1000rpm. Calculate the developed torque at a full load armature current of 50 A.
Assume that a receiver has a first amplifier stage with a 5KW input resistance, a gain of 300, an input audio signal of 20 mV, and an operating temperature of 27oC. When the amplifier is operating with a bandwidth first of 10 MHz,
In a balanced 3 phase system, the source is a balanced wye with an abc-phase sequence and Vab = 208
What is the purpose of a state diagram, and what information can we derive from it. What is the major differences between an asynchronous counter/divider and a synchronous one.
Delta load Assume that the load is delta connected. Each phase has a series RL load with R = 5 ohms and L = 20 mH. Plot the phase to phase voltage (Vab) versus time for one cycle. Hint: Vab = Va - Vb
Two thin rods of length L lie on the x axis. One of them has a charge of -Q uniformly distributed along its length and is positioned between x = -L and x = 0. The other one has a charge of +Q uniformly distributed along its length.
A south-facing collector at latitude 40%u25E6 is tipped up at an angle equal to its latitude. Compute the following insolations for January 1st at solar noon: a. The direct beam insolation normal to the sun's rays.
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