New software performs serial data link analysis

28 November 2007 Test & Measurement

Tektronix has announced a new end-to-end high speed serial data analysis software package with test capabilities extending from a transmitter to a receiver and including the connecting channel.

The new 80SJNB Advanced software runs on the Tektronix DSA8200 Digital Serial Analyser. 80SJNB Advanced combined with the DSA8200 platform's TDR/TDT and S-Parameter support through iConnect software provides engineers with a complete serial data link analysis (SDLA) package to ensure a readable signal reaches the receiver.

The latest high-speed serial technologies are at the core of the computer, consumer electronics and communications industry designs, and require test equipment capable of higher performance and more extensive analysis. The new 80SJNB Advanced software includes feed-forward and decision feedback equalisation (FFE and DFE) for a virtual view of the signal as it appears at the comparator inside the receiver. Emulation of the interconnect channel enables testing the transmitter performance against multiple interconnects.

Support for fixture de-embedding facilitates virtual probing at inaccessible points. The complete SDLA offering provides the fundamental measurements needed to validate compliance of high-speed serial standards such as 10 GbE Ethernet, PCI-Express and SATA, enabling the development of higher performance products for the new digital world.

With 80SJNB Advanced, design engineers have the ability to compare different transmitter-to-channel-to-equaliser combinations, resulting in improved design and verification. The waveform and the eye diagram at any point are not only viewable, but also available for a complete Jitter, Noise and BER analysis.

Acquisition and advanced analysis of complex signals is increasingly needed on transmitters with spread spectrum clocks (SSC). 80SJNB software and the DSA8200 now provide engineers a sampling oscilloscope with the ability to perform SSC acquisitions and SSC jitter analysis. SSC is widely used in desktop and laptop PCs and is incorporated into standards such as SATA and PCI-Express.

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