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N5399D Datasheet(PDF) 6 Page - Keysight Technologies |
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N5399D Datasheet(HTML) 6 Page - Keysight Technologies |
6 / 21 page 06 | Keysight | N5399C, N5399D HDMI Electrical Performance Validation and Compliance Software - Data Sheet Using the HDMI EPVC Software The HDMI software logically guides the user through the test process. The graphical user interface is designed to glean test process and device under test information from the user to efficiently carry out the testing. (Refer to Figure 5.) The user will know the device type (which determines the test suite) and which specification applies (HDMI 1.4b or HDMI 2.0). Though the specifications for HDMI 2.0 and HDMI 1.4b are different, the selection of HDMI 2.0 will reveal both 1.4b and 2.0 tests, as seen in Figure 8. Device Definition The device definition screen lets users enter the full functionality of the device for the purpose of creating the test plan. A test plan is important in order to guide the test process to test at the specific data rates and test configurations (single-ended vs. differential) that are required. This screen enables the standard DUT identification and test comments, however, the new key feature is the ability to define the timings/resolutions at which to test. You can enter these resolutions by: 1. Using the capability declaration form (CDF) 2. Using a previously stored template 3. Using the default setup (which you can define) 4. Adding your own custom timing 5. Independently editing any of these using the check boxes in the pixel clock tabs at the top of the bottom section Once the resolution/timing table is defined, it can be stored as a template or as a default state. If defined as default, it will show up on all future application start-ups. Figure 6. Device definition screen with timings and resolutions table. New to the Keysight HDMI validation software are the device definition and connection setup tabs in the setup screen. As seen in Figure 5, upon start up, these tabs are labeled with a red status, which indicates that the user has to complete some actions before proceeding. Also included in the setup screen are transfer function generation and probe offset calibration. The probe offset calibration is not new and should be run periodically to make precision measurements, particularly when measuring the eye at TP2. The offset calibration is for HDMI measurements only and will result in the elimination of offsets in the differential measurements made by the software. The transfer function generation feature allows the user to create new filters that may be needed when performing characterizations with different cable models, different fixtures, equalization and skew. Generally, the filters, or transfer functions, that are required are already provided and the user does not have to create any. Figure 5. Entry screen for HDMI software. |
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