Why -48v used in telecommunications

0 Answers   STCS, Sudatel, Telecom,

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Explain how micro processor works without internal memory?

0 Answers  

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

0 Answers  

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what is the difference b/w different types of BTS like MICRO,MACRO.etc

4 Answers   Reliance,

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What is natural commutation?

0 Answers  

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xx7 and xxx are two numbers and we have to mulitply them xx7 xxx ______ xxxx xxxxxx ______ 3xxx17 find all x's

1 Answers   Godrej,

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What are the demerits of passive filters?

0 Answers  

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What is intrinsic semiconductor ?

0 Answers  

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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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the maximum spectral response of the germanium and silicon is in the ?

3 Answers   BSNL, HCL,

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Difference between SONAR and RADAR? Can we use SONAR instead of RADAR? How can you 'swap' two numbers in two registers (using ALU), without using 3rd register?

1 Answers   BEL,

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Explain what is reverse saturation current?

0 Answers  

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