Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

What is meant by pre-emphasis and de-emphasis?

Answer Posted / harimohan k. bhagwane

pre emphasis is a process which is used in transmitter side
to boosting the amplitude of higher modulating signal
before modulator.IF we used it after the modulator than
carrier &modulator signal will mixed and it is difficult to
verify which one is the modulating signal.

de emphasis is process which is used in receiver side
to reduced the signal & get their original signal.But it is
used after demodulator ckt.

Is This Answer Correct ?    57 Yes 13 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Is M-ary PSK bandwidth efficient or power efficient

2094


Pull the best out of people Put other people above yourself Challenge ideas from another viewpoint Passionate about people Dedication to serving others Pushing people past their limits Never give up Generous of sharing Make other people feel important Thinking outside the box Alternative thinking Complete honesty Wealth of information Easily accessible Work long hours Finding the right answers Working with all ages Dealing with tough situations Making the rounds with other people Compassionate for what people need Diverse in decision Step outside self

2267


Define what is the main factor for controlling the thermal generation and recombination?

1299


Explain the difference between power amplifier and voltage amplifier?

995


What is the formula for power gain when input gain & output gain is given?

3671


How the active power factor correction changes the wave shape of current drawn by a load to improve the power factor?

1049


What are monitoring methods for electronics activities?

1035


What is graticule?

1066


What is a trducer and trponder?

1171


today software are down how u are u going to clear this?

2006


Explain why is 400 hz used for flight instruments and radio transmission system in aviation industry universally?

993


Why do we convert frequency domain to laplace domain?

1047


What are the shortcomings of a multimeter?

1078


Why do we need digitisation?

3003


what is receiver device in ir receiver which catch over signal of ir?

2102