Previous Year Very Short Questions of PCE (DIPLOMA electronics and communication engineering 3rd)

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Principles of communication engineering

Previous year question paper with solutions for Principles of communication engineering

Our website provides solved previous year question paper for Principles of communication engineering . Doing preparation from the previous year question paper helps you to get good marks in exams. From our PCE question paper bank, students can download solved previous year question paper. The solutions to these previous year question paper are very easy to understand.

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  1. The frequency range of commercial FM broadcast band is………
  2. ………………. device is used for square law detector.
  3. De-Emphasis is a process which …………………..
  4. In AM, there is …………. noise than present in FM.
  5. FM discriminator changes FM signal into ………………...
  6. The main function of a balanced modulator is…………….
  7. FDMA stands for ……………..
  8. The main advantage of PCM is ………….
  9. VCO is used for ……………
  10. Quantization error can be reduced by …………..
  11. The audio frequency ranges from …………………….. to ………………… .
  12. A balanced modulator produces ……………………… signal.
  13. Carson’s rule states that………………….
  14. The modulation index in wideband FM is …………………….. .
  15. VSB is used in …………………….
  16. Maximum power of carrier signal in AM signal can be …………….
  17. DPCM stands for ………………………….
  18. Pre-amphasis circuit is used to …………………. .
  19. Quantization error can be reduced by ……………….
  20. Companding is used in ……………….
  21. Noise immunity of PM is ………….. than AM, and ………….. than FM.
  22. SSB stands for___________.
  23. PPM stands for___________.
  24. Noise is__________.
  25. In AM, The value of m lies between _________.
  26. Synchronization is necessary for _________.
  27. In FM, more the frequency deviation, _______the number of sidebands.
  28. Multiplexing is used to _______.
  29. In communication system, noise affects ________.
  30. In DSB-SC wave, _______is suppressed.