Other Posts

  • Signal Quality with DCA , Eye Diagram, and Mask

    One of the methods used for checking signal quality is overlapping DATA signal with respect to a clock (clk). Persistence must be ON for the overlapping of the DATA signal. Jitter is the variation of the timing in the signal relative to the trigger (clk) Jitter has many components  such as but not limit to : Jitter Peak-Peak (JitterPP),Jitter RMS,Total Jitter( Jitter measurement are… Read more

  • Rack Panel Power/Motor wiring

    You did a great job of putting your high Power  pins AWAY from your small signal (analog and digital). Also: Document on the schematic/assembly drawing where and what type wiring to use. Tell the  technican/assembler to keep certain wires harnessed away from the signal you need to protect.(ex left side power,right side protected) If you are using two… Read more

  • Self Test Fixture

    Some customers request a Self Test Fixture to checkout the Test Station via the interface connection which are normally used by the  UUT. In designing the Self Test Fixture you need to keep it simple but complete. Most often outputs are paired to inputs( wraparound). example Analog Out to Analog In Digital Out to Digital In… Read more

  • Test Engineer’s Round Table

    Yes, you do have a Round Table- and it is a big support team   Read more

  • Probing the Test Fixture’s UUT connector

    When probing the Test Fixture’s  UUT connector use the matching pin that is made for the connector. Not using the correct mating pin or contact will damage the reliability of the connection when the UUT is connected. Most UUT Connectors and Test Fixture connectors are expensive and repair will involve: Getting someone who know how… Read more

  • Keep your Test Equipment Manager in the loop

    It is important to keep your Test Equipment Manager informed of the following: cc Status(once a week). I will have a separate blog on subject. Anytime there is something preventing you from performing your assigned task. Change is scope of project which will have Major impact on TIME and COST. Hours worked on project(s). Any… Read more