BERTScope races to 25 Gbps
The BERTScope is capable of testing data streams up to 26.781 Gbps.
Martin Rowe -- Test & Measurement World, 11/10/2009 11:04:20 AM
Synthesys Research, maker of the BERTscope, has expanded the product's speed and bandwidth to let you make physical-layer measurements on 25 Gbps lanes for IEEE 802.3ba, 100 Gb Ethernet. (A 25 Gbps lane, with packet overhead, has an actual bit rate of 25.78125 Gbps.) The BERTScope 25000A and BERTScope Si 25000C let you measure BER (bit-error rate) and perform jitter analysis on 100GBASE-LR4/ER4 transceiver modules, boards, and systems. The Si model adds stress-receiver testing to the base model.
The BERTScope is capable of testing data streams up to 26.781 Gbps, providing measurement safety margin. To reach that speed, Synthesys engineers had to design a custom SiGe chip. With that technology, Synthesys has also increased the speed of its BERTScope CR clock-recovery unit to 26 Gbps.
The BERTScope 25000A and Si25000C include a linear equalization feature that removes distortion from an incoming data stream so the clock-recovery unit can restore the embedded clock from the data.
Synthesys Research, www.bertscope.com.
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