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Ixiasoft
5.3.6. The SDI Video Tab
The SDI Video tab allows you to test the SDI video interface on your board.
Figure 13. The SDI Video Tab
The following sections describe the controls on the SDI Video tab.
Pattern Generator
This control specifies the test pattern to output to the monitor. The following choices are available:
- Color bar: Specifies a video color bar pattern with eight vertical color bars as shown in table below.
Table 12. HDMI Color Bar Test Pattern Color Bar Color RGB Values White/Grey 180,180,180 Yellow 180,180,16 Cyan 16,180,180 Green 16,180,16 Magenta 180,16,180 Red 180,16,16 Blue 16,16,180 Black 16,16,16 - Pathological: Specifies a video color bar pattern with two horizontal color bars that stresses the receive PLL.
- PRBS: Specifies a pseudo-random bit sequence useful for electrical testing of the interface for data integrity.
Intensity
Specifies the color intensity of the transmitted color bar pattern. The following choices are available.
- 75%: Specifies 75% intensity.
- 100%: Specifies 100% intensity.
SDI Standard
Specifies the video standard used by the pattern generator on the SDI video stream. The following choices are available:
- SD: Specifies a 270 Mbps data rate.
- HD: Specifies a 1.485 Gbps data rate.
- 3G HD: Specifies a 2.97 Gbps data rate.
Data Test
This group displays information about the SDI interface test when running in PRBS mode in the patter generator
- Data rate: Displays the current SDI data rate in megabytes per second (MBps).
- Freq: Displays the data rate frequency in MHz which is equivalent to Mbps.
- Bits:Displays the number of bits transmitted since clicking Start.
- Inserted errors: Displays the number of errors inserted by clicking Insert Error button.
- Detected errors: Displays the number of bit errors detected by the error checking circuitry.
- BER: Displays the bit error rate of the interface.
- PLL lock: Displays Yes if the SDI PLL is locked.
- Pattern Sync: Displays Yes if the receiver has detected the input data pattern.
- Start: Starts the PRBS data test and begins to monitor and update screen with live test results.
- Stop: Stops the PRBS data test.
- Insert Error: Inserts an error into an SDI data stream that is detected by the receiver when in loopback using the included video cable.
- Clear: Clears the Detected errors counter.
- PMA Setting: Opens the PMA settings window that allows for adjusting the analog transceiver settings, such as output voltage, loopback settings, and equalization.
- PRBS (list): Selects the transmit pattern and sets the receive error detection circuitry to expect the same pattern for use in loopback testing.