What is the need for modulation?
Answer Posted / harpreet kaur
1.For long distance transmission.
2.To reduce antenna height because of high frequency carrier
signal. As antenna height is inversly proportional to the
frequency
3. to avoid the mixing or to avoid interference.
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
i in 4th year electronics engineering. i ask about ideas for graduaring projects?
Which frequencies can't be used reliable beyond the horizon terrestrial communication without repeaters?
What is a sequential circuit and what is a combinational circuit?
Explain About RRC states
Is the output power different from input power.? rated input voltage” Is that the voltage we give to the driver or the voltage which comes out from the driver?
Explain what is an excitation table?
plzz send in detail with answers of rrb section engineers model paper to my mail id sir.
numerical on resolution of ADC.
Explain what are semiconductor devices?
Wats da diff b/w ithernet communication and profibus communication?
State the differences between power amplifier and voltage amplifier.
How DP Transmitter can be calibrated for crude application in floating roof tank
Please give the model or previous year question paper for the lecture post in government Engineering College (Electronics and Communication)
Explain design 8421 to 2421 binary code converter?
Differentiate between intrinsic semiconductors and intrinsic semiconductors?