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Re: Oziveni again

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  • Simon Vollam
    I put the oziveni question to a friend who worked for years in the design department of an electronics firm producing mixing consoles. His reply is attached
    Message 1 of 23 , Mar 24, 2005
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      I put the 'oziveni' question to a friend who worked for years in the
      design department of an electronics firm producing mixing consoles.
      His reply is attached below.

      Regards,

      Simon


      In many UK factories, the stage you are talking about is generally
      known as 'test', and the activity is 'testing'.

      Being more specific, there are various types of test depending on
      particular manufacturers requirements and procedures. A typical
      sequence is as follows:

      In Circuit Test - a new board is put on a 'bed of nails' connected
      to a test instrument in order to verify operation of each individual
      component separately. No power is required for testing 'passive'
      components like resistors, capacitors, inductors, etc, but power is
      required to test 'active' components like logic devices and
      operational amplifiers etc.

      Functional Test - a board is connected to some test instrument by
      its ordinary connectors in order to verify that the board is
      operational and within specification from input(s) to output(s).

      Software may be loaded, and trimming/adjustment may be performed at
      either of these two stages.

      Final Test - this is usually applied to a fully assembled piece of
      equipment before packaging and shipping.

      Hope this helps to clarify the point.
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