What is meant by pre-emphasis and de-emphasis?
Answer Posted / dinesh anand
Pre-emphasis
" Improving the signal to noise ratio by increasing
the magnitude of higher frequency signals with respect
to lower frequency signals"
De-emphasis
" Improving the signal to noise ratio by decreasing
the magnitude of higher frequency signals with respect
to lower frequency signals"
| Is This Answer Correct ? | 403 Yes | 37 No |
Post New Answer View All Answers
Define what is space charge width?
Which Programer/Programing Software Should i use to program Mitsubishi FX Series PLC. PLZ DO ANSWER
What is a multivibrator?
Is it possible to isolate a drive by installing a offline ups and also drive should be protected during normal power supply availability and is the use of isolation transformer necessary.
Explain why are using 4ma to 20ma for signal transfer. Why not 0 to 20ma?
What is the effect of removal of bypass capacitor in a ce amplifier circuit?
Which semiconductor device is used as a voltage regulator?
how does modulation reduce bandwidth
What is tunnel diode?
Define the meaning of tristate signal in electronics?
What is the formula for non inverting amplifier?
What is meant by delay angle?
What is band gap theory?
Hi Friends pls give information regarding BARC written test. am attending written exam on 1st September 2009.mail me on sanjaykm1982@indiatimes.com/sanjaykumar.b.mathur@relianceada .com
sir please send me d previous paper of jindal steel power corporatio ltd.. mah email id z khan.aalmeen@gmail.com