how pwm signals generated????

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What is meant by fermi level in semiconductor? Where does the fermi level lie in an intrinsic semiconductor?

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also send me aptitude question paper

0 Answers   IFFCO,

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Why are the 2 input terminals of an op-amp are called as inverting & non-inverting terminals?

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What are the some advantages of using Time Division Multiplexing (TDM) as applied to commercial systems?

11 Answers  

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State the difference between ac and dc voltage.

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What is the differance between synchronous&asynchronous?

2 Answers   Infosys, Reliance Communications,

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96 The high-frequency response in RC active filters using op-amp is due to A BW B Gain C Gain,BW product D High frequency

1 Answers  

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8 12 14 6 11 __ 14 6 18 12, find the missing numbers?

10 Answers   Donshah E Solutions, HCL,

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what are X rays? Give there frequency range.

1 Answers  

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IN A PN JUNCTION DIODE,( ON FORWARD BIAS ) WHEN ELECTRONS AND HOLES PAIRS MADE AND CURRENT FLOWS,THEIR IS NO END OF ELECTRONS AND HOLES IN A LITTLE SEMICONDUCTOR DEVICE.

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why we cant ermove total hard ness of water

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