What is snubber circuit?

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how different operators of mobile phones get connected? How the airtel network user get connected to other network users and talk to them?

3 Answers   BEL,

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Why collector is always reverse-biased w.r.t base?

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Which semiconductor device is used as a voltage regulator?

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respected sir, I am Diptiranjan swain have already applied as IFFCO GET ONLINE FORM-2013.kindly,send me one set of previous year question paper.

0 Answers   IFFCO,

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what is RTDs in tranducers

2 Answers  

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Usually we say that capacitors block dc and allow ac. if a capacitior is connect in series with a resistance.. will current pass through the capacitior.... if i doesn't pass..is it due to offering of infinite resistance by capacitor there by acting as a open....

1 Answers  

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What are the properties of roc for z-transform?

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what is the procedure of a call? MS to MS STD. i want to know about the questions of telecom. plz send me on my mail id. friends also can send me ....... my mail id is suneel.ec31@gmail.com

0 Answers   Lucent,

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what is maskable or non maskable interrupts

3 Answers  

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hi sir i completed my b tech in ece in 2009 and i am interested in railway jobs and plz provide me with what type of questions will they ask along with model paper and my mail id is vaseem_basha@yahoo.co.in plzzzzzzzzzzzzzzz

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Q.1. What do you mean by FDMA? Explain in details. Q.2. What are active & passive elements in BTS? Q.3. Name the equipments required for 2+2+2. Q.4. What is the function of BB2F card? Q.5. What is the function of BOI card? Q.6. Which modulation we use in case of GPRS? Q.7. Which slot is reserved for GPRS? Q.8. What is the height of BTS? Q.9. What is the height of ESMA card? Q.10. How many maximum slots we can use in ESMA card? Q.11. We use PSWA card in which case? Q.12. We use PSWB card in which case? Q.13. How many types of Transmission cards are in Ultra BTS? Q.14. How many types of Transmission cards are in Flexi BTS? Q.15. What will happen if we change the polarity of microwave antenna? Q.16. What is the full form of ARFCN? Q.17. What is the function of TRAU? Q.18. Explain the structure of entire GSM. Q.19. Explain the configuration of 4+4+4. Q.20. Which type of connector we use in FIFA card? Q.21. Which type of connector we use at the end of GSM antenna/ Q.22. What are the different types of GSM antenna? Q.23. What do you mean by Splitter? Q.24. Convert the 16 W power into dBm. Q.25. Explain the different steps of Commissioning. Q.26. What do you mean by protection loop? Q.27. What is the correct way of weather proofing? Q.28. Can we use 7GC instead of 15GC? Q.29. What is the function of Duplexer? Q.30. What are the different elements of MSC? Q.31. Write the total description of Ultra Commissioning.

0 Answers   Nokia,

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