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A voltage amplifier without feedback has a nominal gain of 500. The gain, however, varies in the range of 475 to 525 due to parameter variations. In order to reduce the per-unit change to 0.02, while maintaining the original gain of 500, if the feedback is introduced, find the new direct transfer gain G and the feedback factor H.
Explain the working of BJT Amplifiers? The purpose of electronic amplifiers is essentially to increase the amplitude and power of a signal so that either useful work is done or
A 450 ns EPROM won't work directly with a 5MHz 8088.Why? Explain. While the 8088 is operated along with a 5 MHz clock, it permits 460 ns for the memory to access data. Due to t
Tri State Devices Tri State devices have three states logic 1 logic 0 and high impedance. A tri state device ( Buffer/ Inverter) has three lines output enable as shown
Large scale integration chips have between (A) Less than 10 components. (B) 10 and 100 components. (C) 100 and 1000 components. (D) More than 1000 componen
A ¼-hp, 230-V, 60-Hz, four-pole, single-phase inductionmotor has the following parameters and losses: R 1 = 10 , X l1 = X l2 = 12.5 ,R 2 = 11.5 , and X m = 250 . The core
Describe basic modes of flight
Electric circuits or networks are formed by interconnecting various devices, sources, and components. Although the effects of each element (such as heating effects, electric-?eld e
Q. Explain by using a circuit diagram, a ‘Darlington Pair'. Mention its advantages? THE DARLINGTON PAIR : This is a very special way of direct coupling of two transistors. The
Q. Slip-power controlled wound-rotor induction-motor drives? Slip power is that portion of the air-gap power that is not converted into mechanical power. The methods involving
Q. What do you mean by Sensors or Transducers? In almost all engineering applications there arises a need tomeasure some physical quantities, such as positions, displacements,
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