Across
- 3. Optical detector is
- 4. Micro wave communication is used in
- 7. Video signals in TV are
- 9. Word ‘SCANNING’ is used in in
- 10. The frequency range of 1GHZ to 30GHZ are referred as
- 11. Communication is a process of
- 16. FM signal is less affected by
- 18. IF is
- 20. The maximum power in AM,when modulation index is
- 21. Discrete signal is represented by
Down
- 1. fc +fm is
- 2. ASK is
- 5. Bandwidth of FM signal is —than AM signal
- 6. Primary component of uplink section of satellite is
- 8. An earth station transmitter consists of
- 12. FSK is
- 13. Sound signalsin TV are
- 14. Non electric signal is converted into electrical signal by
- 15. high pass filter attenuates
- 17. VHF is
- 19. Messages travel from transmitter to receiver with help of