Test & Measurement


Automated switching for testing multilane bus standards

12 June 2013 Test & Measurement

Agilent Technologies has introduced an automated switching solution for testing each lane of a multilane digital bus interface. This works with the Infiniium Series oscilloscopes and is available on compliance applications for multilane buses, including DisplayPort, HDMI, PCI-Express, MIPI D-PHY interfaces and M-PHY interfaces.

The solution includes switch matrix software options for Infiniium compliance applications and preconfigured switch matrix hardware models that work with the applications. Supported switch matrix hardware models include Agilent’s U3020AS26 and Agilent partner BitifEye’s BIT-2100 Series.

Accessories are available for SMA- and SMP-connection test interfaces, as well as for direct probing using the Agilent InfiniiMax Series probes. In addition, Agilent’s N2809A PrecisionProbe oscilloscope probe and cable correction software can be used to remove the loss and skew introduced when the switch paths are added to the measurement setup.

The automated switching solution gives engineers the ability to eliminate reconnections and errors. This saves time and simplifies testing by automating tests for each lane of a multilane bus. It also maintains accuracy as engineers can use PrecisionProbe or InfiniiSim software to compensate switch path loss and skew.

In addition, this solution makes customised testing possible. The test application can be extended with a remote programming interface and the N5467A user-defined application for device control, equipment control and test customisation or scripting.

Agilent’s Infiniium 90000A, X- and Q-Series oscilloscopes are ideal for testing multilane high-speed digital interfaces because they offer analog bandwidths up to 63 GHz, with low noise floor, deep memory and flat response.



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