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Summary of Contents for Keysight N5991
- Page 1 Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 2 THE IMPLIED WARRANTIES OF The license set forth in the EULA represents MERCHANTABILITY AND FITNESS FOR A the exclusive authority by which the U.S. PARTICULAR PURPOSE. KEYSIGHT SHALL government may use, modify, distribute, or Keysight N5991 HDMI ARC Frame Generator User Guide...
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Page 3: Table Of Contents
2 Test Instrument Setup Required Instruments Instruments required for HEAC testing Instruments required for eARC testing Setting up connections HEAC connections eARC connections 3 Using the Software Connecting to the Instruments Main window features Keysight N5991 HDMI ARC Frame Generator User Guide... - Page 4 Contents 4 HEAC Rx Testing Generator Ethernet (100Base-Tx settings) Audio Parameters Ethernet Analyzer Overview Procedure Audio Analyzer 5 eARC Testing eARC Rx Testing Generator eARC CM Events eARC Tx testing Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 5 Keysight N5991 HDMI ARC Frame Generator User Guide Introduction Overview of the Guide Document History HDMI ARC Frame Generator - Overview Installing the HDMI ARC software Troubleshooting and Support / 12...
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Page 6: Overview Of The Guide
Introduction Overview of the Guide This guide provides a detailed description of the Keysight N5991 HDMI ARC Frame Generator. Keysight N5991 HDMI ARC Frame Generator User Guide... -
Page 7: Document History
Introduction Document History First Edition (April 2020) The first edition of this user guide describes functionality of software version 1.0. Keysight N5991 HDMI ARC Frame Generator User Guide... -
Page 8: Hdmi Arc Frame Generator - Overview
Common Mode Communication is bi-directional. The HDMI ARC software covers physical layer receiver tests for eARC Differential Audio and Common Mode Communication between the Test Equipment and RX DUT. Keysight N5991 HDMI ARC Frame Generator User Guide... -
Page 9: Installing The Hdmi Arc Software
HDMI ARC software is installed in C:\Program Files (x86)\BitifEye\ ValiFrameK1\HdmiArc\DebugTool. Optionally, click Browse... to change the destination folder. Click Install. The HDMI ARC software is installed. Click Finish to close the final window that appears at the end of installation. Keysight N5991 HDMI ARC Frame Generator User Guide... - Page 10 HDMI ARC software. A shortcut to access the software is installed in both the Start menu and on the Desktop. Double-click the HDMI ARC Frame Generator (N5991) icon (shown in Figure 1) to start the software.
- Page 11 Introduction Figure 2 Default window of the HDMI ARC Frame Generator software Keysight N5991 HDMI ARC Frame Generator User Guide...
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Page 12: Troubleshooting And Support
About dialog. To access it, click Help > About... from the main menu. Figure 3 About the HDMI ARC software Click Help > Show Log File to view the logs that may also help you with troubleshooting any issues. Keysight N5991 HDMI ARC Frame Generator User Guide... - Page 13 Keysight N5991 HDMI ARC Frame Generator User Guide Test Instrument Setup Required Instruments / 14 Setting up connections / 15...
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Page 14: Required Instruments
Firmware 2.0.1.0 or newer • Pattern Option BIT3000 Dynamic Sequencing Generator Analyzer Keysight Real-Time Oscilloscope (either one of the following) • S-series Oscilloscope • DSO90000 series or compatible • DSAVxx4A • Keysight Infiniium V-series Oscilloscope Keysight N5991 HDMI ARC Frame Generator User Guide... -
Page 15: Setting Up Connections
Connect the secondary HDMI connector with a CEC generator that is capable of sending the required CEC messages. Currently, the software does not provide controls for the CEC generator. You must use external methods to control it. Keysight N5991 HDMI ARC Frame Generator User Guide... - Page 16 Test Instrument Setup Figure 5 HEAC connection setup with Generator 1 and Generator 2 (Audio) Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 17 Test Instrument Setup Figure 6 HEAC connection setup with Generator 1 but no Generator 2 (Audio) Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 18 Test Instrument Setup Figure 7 HEAC connection setup with an RTS (Oscilloscope) Analyzer Keysight N5991 HDMI ARC Frame Generator User Guide...
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Page 19: Earc Connections
The connection setup for Rx eARC and Tx eARC are shown in Figure 8 Figure Use an external DC power supply to inject the bias voltage (5V) on the HEAC board. Figure 8 eARC connection setup for Rx Keysight N5991 HDMI ARC Frame Generator User Guide... - Page 20 Test Instrument Setup Figure 9 eARC connection setup for Tx Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 21 Keysight N5991 HDMI ARC Frame Generator User Guide Using the Software Connecting to the Instruments / 22...
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Page 22: Connecting To The Instruments
Alternatively, from the main menu, click File > Connect..The Instrument Connection window appears. Figure 10 Instrument Connection window for HEAC From the Application drop-down options in the Instrument Connection window, a For HEAC testing, select HEAC (default option). Keysight N5991 HDMI ARC Frame Generator User Guide... - Page 23 Thereafter, the software loads the instrument settings configured during the last session to help you avoid configuring instrument connection each time you start the software. Keysight N5991 HDMI ARC Frame Generator User Guide...
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Page 24: Main Window Features
Application (HEAC or eARC) and the instrument configuration in the Instrument Connection window. The functionality of the respective tabs are explained in further sections in this document. Keysight N5991 HDMI ARC Frame Generator User Guide... - Page 25 The other options available in the File menu are (in the order of usage): Figure 13 File menu options in the HDMI ARC software • Save Settings—Save settings from the current session in *.set format. Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 26 Favorite Folder. By default, the software saves these files in C:\ ProgramData\BitifEye\ValiFrameK1\HdmiArc\Settings. Figure 15 Accessing Favorite settings from the File menu • Exit—It is an alternative option to Close button for exiting the software. Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 27 The options that appear in the Tools menu are explained in “Features in the Tools menu” on page 34 of this document. The options that appear in the Help menu have been explained in certain sections of Chapter 1, “Introduction”. Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 28 Using the Software Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 29 Keysight N5991 HDMI ARC Frame Generator User Guide HEAC Rx Testing Generator / 30 Ethernet Analyzer / 32 Audio Analyzer / 37...
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Page 30: Generator
HEAC Rx Testing Generator The settings in the Generator tab use either one or two Keysight 81150A generators to generate both audio as well as Ethernet data required for HEAC testing. The audio data is transferred either in Common mode or in Single mode. -
Page 31: Ethernet (100Base-Tx Settings)
You may specify custom jitter values by typing into the Jitter field jitter NOTE amplitude and frequency of your choice. Enter the jitter values in the following format: <JitterAmplitude> UI@<JitterFrequency> Hz You may use unit suffixes, such as kHz, mUI and so on. Keysight N5991 HDMI ARC Frame Generator User Guide... -
Page 32: Ethernet Analyzer
Figure 17 Ethernet Analyzer tab settings for HEAC testing The HDMI ARC software uses a Keysight Real-time Oscilloscope to capture data on the HEAC lines. The HEAC specification requires capturing and analyzing these data so that it can be verified if the device has acknowledged the ARP-Request with an ARP-Reply. -
Page 33: Procedure
The software displays the packets that are found in the Results area (see Figure 18). The Nr of Captures field lets you specify the number of captures the software should perform. Keysight N5991 HDMI ARC Frame Generator User Guide... - Page 34 Features in the Tools menu • Abort Analysis Process—From the main menu, click Tools > Abort Analysis Process to abort the process of analysis at any stage. Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 35 The Advanced Analyzer Properties window appears, as shown in Figure Figure 20 Advanced Analyzer Properties window Here, you can adjust the bit recovery method as well as the thresholds and activate an optional low pass filter, as described further. Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 36 Once you have set up the Advanced Analyzer Properties as per your requirements, click Close to exit this window. The software automatically uses the modified settings. The parameters shown on this window are not saved in the settings file. NOTE Keysight N5991 HDMI ARC Frame Generator User Guide...
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Page 37: Audio Analyzer
The software automatically extracts the clock from the data and adjust its data rate to the corresponding value. Additionally, the software automatically detects the DC offset voltage levels of the different signals and ensures that the audio data is recognized correctly. Keysight N5991 HDMI ARC Frame Generator User Guide... - Page 38 Additionally, the information regarding the audio data is shown below the Audio Results tree. This information is extracted from the Channel status bits and contains the Sample Freq., Sample Size and the Clk Accuracy. Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 39 Beside this data, the value of the audio samples are shown on the right side in the Channel A Samples and Channel B Samples fields. You may also copy the values from these fields into a different software for further processing. Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 40 HEAC Rx Testing Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 41 Keysight N5991 HDMI ARC Frame Generator User Guide eARC Testing eARC Rx Testing / 42 eARC Tx testing / 48...
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Page 42: Earc Rx Testing
Audio PHY Parameters (to the right). You can either add a pre-selected amount of jitter to the signal or type the required amount of jitter directly into the Jitter combo Keysight N5991 HDMI ARC Frame Generator User Guide... - Page 43 To meet the CTS requirements, this ratio is set by default in the Diff DC area of the Generator tab. However, you may change the duty cycle percentage value from the drop-down options for either 0 bit or 1 bit to meet custom requirements. Keysight N5991 HDMI ARC Frame Generator User Guide...
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Page 44: Earc Cm Events
Figure Figure 24 Default eARC CM Events tab view If there is no eARC RX DUT connected, the software returns “No events strobed” in the Audio Results area, as shown in Figure Keysight N5991 HDMI ARC Frame Generator User Guide... - Page 45 EARC_RX_STAT register, which is analyzed in the eARC CM Events tab. The eARC RX DUT sets the CAP_CHNG and STAT_CHNG bits within an interval of 100ms after the Capability data structure and eARC Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 46 Status Bits 11. The DSGA copies the status to eARC_TX_STAT register and outputs a new heartbeat signal. As soon as the Capture and Status bits are copied to eARC_TX_STAT register, the RX DUT resets it to zero. Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 47 Testing Figure 26 Audio Results in eARC CM Events tab with DUT connected Keysight N5991 HDMI ARC Frame Generator User Guide...
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Page 48: Earc Tx Testing
DSGA Analyzer module. The setting of the threshold value is based on the DUT signal level (Amplitude) and DC offset value (Offset) under CM Generator PHY Parameters. Keysight N5991 HDMI ARC Frame Generator User Guide... - Page 49 Testing Click Analyze Audio (at the bottom of the window) to perform eARC discovery between the TX DUT and DSGA. Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 50 Testing Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 51 Keysight N5991 HDMI ARC Frame Generator User Guide...
- Page 52 This information is subject to change without notice. © Keysight Technologies 2020 Edition 1.0, April 2020 www.keysight.com...
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