why we use visible spectrum for FSO (free space optic),although it seems strange that when we have to communicate in urban areas then too much light will be in atmosphere for the sake of communication.
1375why we prefer LED as light source insted of Laser in FSO (FREE SPACE OPTIC)communication.plz give me answer soon
3 5295when the generator running trip by earth current even though engine all so shut down the problem showing gcs waring and emergency trip there after starting always gcs locked out what is the problem [this is cummins qsk 23 electronic controle module governer
1323Post New Electronics Communications Questions
What is hole theory
What is equalisation? Why do we need it?
The output of the rectifier pulsating in nature, it consists of a desired dc component of voltage and unwanted ripple components. These ripple components are removed by placing filter circuit at the output of the rectifier.
Define negative logic.
Magnetostriction is a phenomenon whereby the magnetisation of a ferromagnetic material leads to a change in
how to test the mobile tower signals? and which software tool & hardware tools used for test the mobile tower?
What is dma channels?
Name the frequency bands are used in satellite communication?
Which material is piezoelectric?
Which of the transistor currents is always the largest? Which is always the smallest? Which two currents are relatively close in magnitude?
How the earting for portable DG set is done?
Explain what is meant by saying at what current is transistor biased?
hai i am balaji now i applied for the post of section engineer in rrb chennai............ if any body know the question peper and pattern of written exam please send to me
Write down the expression for average output voltage for step down chopper?
What will be the call flow in case user doesn't answer the call
