Principles of Communication Engineering
Previous year question paper with solutions for Principles of Communication Engineering
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- The audio frequency ranges from …………………….. to ………………… .
- A balanced modulator produces ……………………… signal.
- Carson’s rule states that………………….
- The modulation index in wideband FM is …………………….. .
- VSB is used in …………………….
- Maximum power of carrier signal in AM signal can be …………….
- Pre-amphasis circuit is used to …………………. .
- DPCM stands for ………………………….
- Quantization error can be reduced by ……………….
- Companding is used in ……………….
- Noise immunity of PM is ………….. than AM, and ………….. than FM.
- VCO is used for ………………….. .
- Foster seelay discriminator is used for …………………….
- Sensitivity of radio receiver is ……………….
- In sampling theorem, the Nyquist interval is given by …………………
- The frequency range of commercial FM broadcast band is………
- ………………. device is used for square law detector.
- In AM, there is …………. noise than present in FM.
- De-Emphasis is a process which …………………..
- The main function of a balanced modulator is…………….
- FM discriminator changes FM signal into ………………...
- FDMA stands for ……………..
- The main advantage of PCM is ………….
- VCO is used for ……………
- Quantization error can be reduced by …………..
- Amplitude modulation produces _________ additional frequencies.
- Thermal noise is a type of _______ noise.
- The maximum power saving in SSB-SC is _________.
- HF range is from ____ to _____.
- Phase modulation can be derived from frequency modulation by_________.