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Q. An op amp has a finite gain of only 50, but is otherwise ideal. For the inverting-amplifier circuit of Figure, if R2 = 20 k, what value of R1 would be needed to give a gain of -15? If the op amp's gain could be increased by 20%, find the new gain.
Q. Illustrate the basic use of binary in IT ? The binary system is thus useful in IT because not only any number, but any information, can be represented in terms of only 0s an
Q. Differential amplifier to eliminate the common-mode voltage? The transducer in some cases may have a local ground that cannot be disconnected. In such a case, a separate gro
why we rotate the armature of dc motor in anticlockwise direction
Q. What the major advantages FET transistors over BJT transistors? a. BJT transistor (bipolar junction transistor) is a bipolar device - the prefix bi-revealing that the conduc
What do you understand by solid modeling and wireframe modeling in CAD systems? Explain and compare the both modellings. Describe the following 1. Boundary representation 2.
Explain and drive the expression for fixed bias and potential divider.
Design a logic circuit with 4 inputs A, B, C & D that will produce output ‘1’ only whenever two adjacent input variables are 1’s. A & D are also to be treated as adjacent, impleme
what is clamper circuit
Q. A solenoid of cylindrical geometry is shown in Figure. (a) If the exciting coil carries a steady direct current I, derive an expression for the force on the plunger. (b) F
Q. Explain Modulation and sampling? Modulation is the process whereby the amplitude (or another characteristic) of a wave is varied as a function of the instantaneous value of
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