Draw the circuit diagram of 1φ auto sequential commutated current source inverter and explain its operation with equivalent circuits for different modes and necessary waveforms?
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write an 8085 assembly program to swap two numbers without using a temporary register
7 Answers American Megatrends, TCS,
Explain the difference between power amplifier and voltage amplifier?
why we using different type of microwave antenna we using like one is connected to MMU and one more is connected to other slot what is use of both antenna?
What is the total resistance between points ‘A’ and ‘B’ in the given circuit
Explain what is the meaning of tristate signal in electronics?
Is the stealth technology is based on the "Reflection coefficient of the material? What are the other factors that affect to optimize this technology
Which type of connector we use at the end of GSM antenna/
what is encoder? mechanical encoder?
2 Answers HCL, TATA, Tata Communications,
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.
if the address bus is 20bits.then the memory space is :
What are the applications of fm transceiver.
what is operating ratio in railway