SRM University 2007 B.Tech Electronics and Communications Engineering Bank : Electronic Measurement

17. Name the controls available in CRO
18. what is the function of synchronization control
19. What is the significant of Lissajous trend
20. In dual trace CRO, how many horizontal and vertical stages are there
21. What is the difference ranging from dual trace and dual beam in CRO
22. What is the principle of sampling oscilloscope
23. What is the function of delay control circuit in CRO
24. What is the difference ranging from analog and digital storage oscilloscope
25. What is the function of collimating lens in CRT
26. What is the function of flood gun in CRO
27. What is the function of digitizer in digital storage oscilloscope
28. What is the function of probes in CRO
29. What are the kinds of probes used in CRO
30. What is recorder
31. What are the kinds of recorder
32. What are the kinds of analog recorder
33. What are the kinds of strip chart recorder
34. What are the functions of X-Y plotter
35. What is magnetic tape recorder
36. What are the advantages of magnetic tape recorder
37. What are the signal codes used in digital data recording system
38. What are the advantages of digital recording system
39. What are the kinds of digital display units
40. What is the difference ranging from LED and LCD display
41. What are the kinds of LCD display
42. What are the advantages of LCD display?





PART – B
1. With a neat diagram discuss the internal structure of CRO
2. With a neat diagram discuss electro static focusing in CRO


3. With a neat block diagram discuss horizontal and vertical amplifier in CRO
4. Explain the subsequent
(i) measurement of voltage and current
(ii) measurement of frequency
5. Explain the measurement of phase and frequency by lissajous trend
6. With a neat block diagram discuss dual trace oscilloscope
7. With a neat block diagram discuss general purpose oscilloscope
8. Explain the subsequent
(i) Dual beam oscilloscope
(ii) Sampling oscilloscope
9. With a neat block diagram discuss dual beam oscilloscope
10. With a neat block diagram discuss sampling oscilloscope
11. Explain the principle and operation of analog storage oscilloscope
12. With a neat block diagram discuss the operation of digital storage oscilloscope
13. Write short notes on the subsequent
(i) seven segment display
(ii) dot matrix display
14. With a neat diagram discuss the operation LCD display
15. Explain the various kinds of analog recorders in detail
16. With a neat diagram discuss X-Y plotter
17. Explain different methods of digital recording techniques.




UNIT-V
PART - A

1. What are the 2 kinds of test systems? describe them?
2. What are the 3 requirements of an Automatic Test Systems?
3. Draw the block diagram of testing an Audio amplifier?
4. What are the 3 basic tasks performed by the computer in testing an Audio amplifier?
5. What are the different parameters that could be measured using audio amplifier?
6. Draw the block diagram for testing of a radio receiver?
7. What is IEEE 488 bus system?
8. What limits the data rate in IEEE 488 system?
9. How are data transmitted over the IEEE 488 bus system?
10. What are the handshake signals in IEEE 488 bus system?
11. Mention the 8 interface signal lines, which will transmit data necessary for the operation of the system?
12. What are the 3 kinds of devices described by IEEE 488 standard that may be connected on the GPIB?
13. What is a frequency counter?
14. describe interface function and device function?
15. Draw the block diagram of microprocessor-based measurement of physical quantity?
16. What are the different physical volumes that can be measured?
17. What are the processes that are used for control and operation of any system?
18. What are a few of the functions/controls of test equipment that are not easily adapted to computer control?
19. What type of equipment can be talkers only? What kinds can be listeners only? What kinds can be talkers and listeners?
20. What prevents 2 units from talking simultaneously?
21. What is Data Acquisition System (DAS)?

PART – B

1. Explain the testing of audio amplifier using the block diagram?
2. Explain the testing of radio receiver using the block diagram?
3. discuss in detail IEEE 488 standard?
4. Explain Management lines and data transfer lines of GPIB?
5. Explain briefly different instruments used in computer-controlled instrumentations?
6. Explain frequency counter replaced for operation with IEEE 488 bus?
7. Explain Synthesized signal generator interfaced with IEEE 488 bus?
8. Explain Relay-switched attenuator suitable for computer-control? Write short notes on Digital Control Description?
9. Explain the different case studies in instrumentation?
10. Discuss different microprocessor-based measurements?

Earning:   Approval pending.