why we prefer LED as light source insted of Laser in FSO
(FREE SPACE OPTIC)communication.plz give me answer soon
- 3 Answers
- 5300 Views
- I also Faced
- E-Mail Answers
Answer Posted / ritu
in FSO we can use either LED or LCD.
LED prefer bcoz of its response time is in microsecond
whereas for LCD it is in millisecond.and also operating life
of LED is much more than LCD approx 1 lakh hour.
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
Define cmos transistor?
What is meant by level-sensitive devices?
can we conect lowpass filter before high pass filter in cascade form in band pass filter?(active filter).
how a definite tx line can acts as indefinite tx line
What are the applications of buffer?
What is the tri state of a signal?
What does a tristate signal in electronics signify?
Which is used as storage location in the alu and the control section of a computer?
Why is there a maximum limit of collector supply voltage for a transistor?
What is the need for base values?
Q.1what is E1? Q.2what is diffrence b/w RNC & BSC? Q.3what is STM? Q.4what is LAC & CI? Q.5 what is HSN, MAIO, MA Group & frequency hopping?
What are the disadvantages of pwm control?
what is digital communication,digital electronics,flip flops,gates,buffer,memory and draw the diagram of flip flop,buffer,gates,memory?
why the exchang voltge is in minus polarty i.e -48 instead of +48
Why is zener diode used as a voltage regulator?
