Monday, July 8, 2013

Benefits and Drawbacks of Analog transmission

The Analog transmission is still very popular, in particular for shorter distances, due to significantly lower costs and complex multiplexing and timing equipment is unnecessary, and in small "short-haul" systems that simply do not need multiplexed digital transmission[2].

However, in situations where a signal often has high signal-to-noise ratio and cannot achieve source linearity, or in long distance, high output systems, analog is unattractive due to attenuation problems. Furthermore, as digital techniques continue to be refined, analog systems are increasingly becoming legacy equipment.[2]

Recently, some nations, such as the Netherlands, have completely ceased analog transmissions on certain media, such as television[3], for the purposes of the government saving money.[4]

References

  1. ^ The Froehlich/Kent Encyclopedia of Telecommunications By Allen. Kent, Froehlich E. Froehlich.1991 Marcel Dekker. ISBN 0-8247-2900-5
  2. a b Telecommunication System Engineering By Roger L. Freeman.2004 John Wiley and Sons. ISBN 0-471-45133-9
  3. ^ Netherlands Ends Analog Transmission - Goodbye antenna, hello digital... - dslreports.com
  4. ^ http://www.nytimes.com/aponline/technology/AP-Netherlands-TV.html?_r=2&oref=slogin&oref=slogin

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