Describe the working of four quadrant chopper?

0 Answers  

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cdma or gsm which is more complex?

10 Answers   Nokia,

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What are the different types of earthing used in telecom sites ?

9 Answers   NSN, Reliance,

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Explain why an ordinary transistor is called bipolar.

0 Answers  

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How to know the Signaling Link Utilization for a MTP3B link which carries RANAP?

0 Answers  

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A channel has a bit rate of 4kbps and a propagation delay of 20msec. For what range of frame sizes does stop-and-wait give an efficiency of at least 50%

0 Answers   Chongqing University of Posts and Telecommunications,

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Explain the importance of if in radio receiver?

0 Answers  

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What is the effect of if in radio receiver?

0 Answers  

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what is the major difference between uart and usart and their applications

3 Answers  

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what is the difference bitween adsl and dsl

1 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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6dB pad introduces how much attenuation?

3 Answers   BSNL,

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