Which uplink/downlink spectrum is allocated to DCS-1800?

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What is monostable multivibrator?

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how the capacitor and battery are related in symbol,explain?

3 Answers   BARC,

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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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how we can calculate antenna dimension for any em wave??

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Micro controller input pin voltage is max 5v. If i want give 50 0r 100v input pin. whether is it possible

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For the same order of doping, why does n-type semiconductor exhibit larger conductivity than p-type semiconductor?

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My name is Noor and i have completed by 10th with 78%, inter with 67% and has a B.tech from JNTU second class with 56% .Iam planning to do MS in US will my visa be successful .I have doubts since i have a scond class with 56% in B.tech please advice me as soon as possible.

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What is the use of radar?

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Name the breakdown mechanism in a lightly doped p-n junction under reverse biased condition.

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WHY IGBT IS CALLED MINORITY CARRIER DEVICE?

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i am electronics & comm engg & appling 4 the AAI jr executive (electronics/ATC) written test. pls forward me the syllabus & old question papers.I will be very much thankful to you akil403@yahoo.com

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