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Daunting time-to-market pressures coupled with design complexity caused by converging voice, data, and multimedia technologies leave companies facing a host of serious challenges. Unfortunately, because the current design-verification process occurs late in the design cycle, there's a high risk of design failure and the resultant time-to-market delays. Testing the whole system's behavior rarely happens before investing in costly hardware or embedded software design.
An effective way to deal with this problem is to perform high-level design and testing early in the development process using system-level design techniques. After building a prototype, engineers can use advanced test-and-measurement tools to verify that the product meets the intended design specifications. This article outlines some of the more significant benefits of a system-level design approach, in the context of an ADSL modem design. By starting with block-level design tools, whole systems can be iteratively refined down to their low-level implementation details.
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