Test & Measurement

BERTScope tests wide range of 100G comms standards

20th May 2014
Mick Elliott

Receiver testing has become increasing important in 100G electrical systems and silicon testing. The BSA286CL BERTScope Bit Error Rate Tester from Tektronix is designed for the low intrinsic jitter and precision impairments required for testing a broad range of 100G communications standards including OIF-CEI, CAUI, and InfiniBand Standards. 

With the advent of sophisticated silicon receiver equalisation, higher levels of jitter tolerance must be tested, debugged and margined. Until now, available bit error rate testers have been unable to generate the requisite degree of impairments with a low enough jitter noise floor to perform these tasks effectively.

When 100G silicon characterisation engineers test their OIF-CEI-28GVSR systems, a key requirement is the ability to drive their parts into receiver margin failure before running out of precision impairments in their BERT. The BSA286CL has a fully re-designed jitter impairment system which incorporates state of the art modulation technology to 100G PHY Layer testing.

The 28.6 Gb/s BERTScope supports higher levels of Sinusoidal Jitter (SJ) and other jitter impairments while maintaining low sub 300 fs intrinsic jitter floor performance at key 100G data rates.

“The BSA286CL rounds out the Tektronix high performance BERT portfolio which support key industry standards.  These products are all integral players in supporting the emerging 100G ecosystem,” said Brian Reich, general manager, Performance Oscilloscopes, Tektronix. “In addition, with our recent acquisition of Picosecond Pulse Labs, Tektronix now offers the industry’s broadest selection of BERT-based technology combined with high performance oscilloscopes, giving customers a total solution to all their 100G needs.”

Another new capability in BERTScope is Combined Random, Bounded Uncorrelated and High Frequency Sinusoidal Jitter (RJ, BUJ and SJ) impairments up to 28.6G offering combined levels exceeding 7.5UI over a broad range of required jitter tolerance (JTOL) frequencies.  An industry first, this capability is key to meeting OIF-CEI 3.0 JTOL specifications as well as similar needs found in IEEE802.3bj 100G specifications.   

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