What is a p-n junction diode? State and explain some of its applications.

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Derive intrinsic stand off ratio.

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IP based EPABX system

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Define why are active filters preferred

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Write down the expression for average output voltage for step up chopper?

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how a call route from pstn to mobile.please tell in details

6 Answers   Ericsson,

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importance of defining tg or tf in selecting master and slave bts's?

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y do v use single anteena in radar any other reason except cost???

0 Answers   BEL,

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If 5v Dc is given to a transformer, what will be the O/P?

5 Answers   BEL,

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4 Stage ripple counter with delay(f/f) 10msec. How much time it takes for a state to change. 4*10=40.

0 Answers   Verifone,

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We all know about DC concept,i.e +ve connected to +ve ,-ve connected to -ve. If landline phones lines are dc lines,then how it works even if the polarties are interchanged??

1 Answers   Infosys,

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WHY THE CUTOFF FREQUENCY IS OF 3 DB??

1 Answers   TCS,

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