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Inphi logic devices offer 13Gbps, 20Gbps

Posted: 20 Aug 2003 ?? ?Print Version ?Bookmark and Share

Keywords:inphi? digital logic device? 13750de? duobinary encoder? 20708se?

Inphi Corp. has introduced two high-speed digital logic devices for serial data transmission systems and broadband test and measurement equipment. The 13750DE duobinary encoder and 20708SE 2:1 selector provide system manufacturers with logic building blocks that offer enhanced functionality and higher levels of integration.

The 13750DE device encodes and outputs the binary input signal in high-speed optical communications systems using duobinary or differential phase shift keying (DSPK) modulation. Capable of data rates up to 13Gbps, the product retimes the input data before performing the encoding operation. The 13750DE consumes 370mW of power and operates from a -3.3V power supply.

Designed for long haul and ultra long haul optical transport systems, the 20708SE can be used to generate an RZ output stream from NRZ data and a clock. The device can also be used to shape the RZ pulse from 20 percent to 80 percent to compensate for the deleterious effects of polarization mode dispersion (PMD) on the fiber. Exhibiting 3ps peak-to-peak jitter, the product features 20Gbps data rates, rise and fall times of <25ps and power dissipation of <500mW, and operates from a -3.3V supply.

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