what is the purpose to give two power supply to opamp ie. +Vcc & -Vee?

1 Answers   SCOE,

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why we use visible spectrum for FSO (free space optic),although it seems strange that when we have to communicate in urban areas then too much light will be in atmosphere for the sake of communication.

0 Answers  

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we r saying that low pass rc filter will allow low frequency components n attenuates the high frequency components..but at low frequency reactance offer by capacitor is high..it will act as open circuit..hence there will no output..but practically we getting output. how?

2 Answers  

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What is the full form of SDH???

1 Answers   State Bank of Hyderabad SBH,

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The coefficient of coupling between two air core coils depends on

2 Answers   MTN,

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What is barrial  shifter and how it works?

1 Answers   Exira,

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Myself Mayuri Parekh.I have technical test for ME in LD engineering college,gujarat.plz send me technical questions and also answers so i can practise.plz send me as early as posibble.my wxam will be in MAY 2009.

3 Answers   LD College,

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what is microprocessor & how it is work.

6 Answers   TCS,

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What is memristor? How many modes it works? Also what is its advantage? How it differ from others & why the name evolve? & What is its uses?

0 Answers  

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As electromagnetic waves travel in space only one can happen absorption attenuation reflection refraction

4 Answers  

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what effect at thersold value on transmission power is increase or decrease in telecommunication

1 Answers   Idea,

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What is analog-to-digital conversion of signals?

0 Answers  

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