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Oscilloscope able to decode interfaces up to 6.25Gbit/s

Posted: 28 May 2015 ?? ?Print Version ?Bookmark and Share

Keywords:Rohde & Schwarz? oscilloscope? decode?

Rohde & Schwarz has included the R&S RTO-K52 option to expand the application field of its R&S RTO oscilloscope to decode and analyse 8b/10b encoded interfaces up to 6.25Gb/s. According to the company, the latest feature helps developers design, verify and debug modules with 8b/10b encoded buses.

At the push of a button, the R&S RTO uses the option's full autoset function to determine the channel, decision level and bit rate settings, allowing developers to quickly start measuring. All of these settings can be readjusted manually.

Decoding is based on the clock rate and 8b/10b-specific bit alignments of the captured waveform. The decoded data symbols and control symbols are displayed clearly and are colour-coded. A tabular list of the protocol contents is also provided. The 8b/10b decoding option's powerful search and navigation function enables users to quickly isolate data contents as well as error states such as disparity violations, indicated the company.

R&S RTO oscilloscope with RTO-K52 option

The R&S RTO features an up to 128bit serial pattern trigger for precise triggering on individual bit sequences. The optional R&S RTO-K13 HW-CDR hardware clock data recovery delivers accurate results for embedded clock signals.

The test solution allows users to correlate 8b/10b encoded interface commands with other circuit signals over time, for easy isolation of critical states and fast identification of system design errors. 8b/10b encoded buses are used in the common USB 3.0 and PCIe interfaces and many other applications. The MIPI UniPro M-PHY interface in smartphones as well as display interfaces such as HDMI use 8b/10b encoding, as do base stations based on the Common Public Radio Interface (CPRI).

The R&S RTO-K52 8b/10b serial decoding option is available from Rohde & Schwarz.

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