what is function opto-coupler?

1 Answers   Saudi Ceramics,

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Frequency at which VOICE is sampled is? a) 4 KHz b) 8 KHz c) 16 KHz d) 64 KHz

6 Answers   BSNL,

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what is VSWR?

3 Answers   Ericsson,

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1,8,28,99,412

1 Answers   RBI,

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hai iam venkat iam appering RRB exam chennai on 23 nov 2008. pls help me wat kind of questions i to prepare? mail {venkiremo_krv@yahoo.co.in]

0 Answers  

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What is the effect of high frequency on its performance?

0 Answers  

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What is the protocol ?

2 Answers   TATA,

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How can i display output voltage of my Power supply(DC) on the seven segment display ?? which IC is used?

0 Answers   BEL,

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Why can’t we use comparator to convert sin wave into square wave?

0 Answers  

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Which type of connector we use at the end of GSM antenna/

0 Answers   NSN,

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what is refractive index?

1 Answers  

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what are the conditions of fs=2fm?

2 Answers  

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