February 20, 2013

Fujitsu Develops 32 Gbps Transceivers for Inter-Processor Communications

This week Fujitsu Laboratories announced the development of transceiver circuits capable of communicating at 32 Gbps, a world record. The company said the new technology will support inter-processor communications at roughly twice today’s rates, leading to improved performance in next-generation of servers and supercomputers.

 

Figure 2: Schematic of transmitter circuit and breakdown of power consumption

 

Transmitter circuits transmit data from multiple channels that have been multiplexed into a single channel. The final-stage multiplexer not only consumes considerable amount of power, but also will approach the limit of its operating speed as data rates increase... 

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