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Feeding the beast

Replacing op amps can increase overall performance. By Peter Minett and Mark Simpson.

The world wide demand for broadband is increasing rapidly. There are now over 77 million broadband lines world wide of which 60% are digital subscriber line (dsl). The annual rate of increase in dsl lines is now a staggering 30% (source: Point Topic). This growth has created a strong demand for high performance yet low cost modems, and more specifically op amps within the modems that will deliver performance without loading the price.

Surveys have pointed to a variety of factors that are fuelling the migration to broadband. Number one is that as web sites get more sophisticated they contain more data. The only way to bypass the 'world wide wait' is to get a faster data rate on your connection. Other drivers include the growing desire to download and send digital images, music files and video clips, and in the near future, television services delivered over a broadband connection.

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Graham Pitcher

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