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The For Test design aims to improve the design of the product to increase its ability to be easily tested.

The 6 principles of the DFT

The For Test design aims to improve the design of the product to make it easier to test. This guide is based on 6 design principles:

  1. Compatibility with test devices. 
  2. The test points are easily accessible.
  3. Interface and standard connections.
  4. Facilitates the diagnosis by the accessibility of parts, the simplicity of disassembly … 
  5. Able to provide self-diagnostics. 
  6. Functions are split to allow isolation of problems.
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