Inphi launches first 100G/400G quad linear driver

By Telecom Lead Team: Inphi, a provider of analog
semiconductor solutions for telecom and computing markets, announced the first
quad linear driver designed for linear transmitters to enable next-generation
100G/400G coherent systems.

 

The new system is likely to address the need for higher
speed, higher performance networking infrastructure.

 

Today’s 10G, 40G, and 100G networks typically use basic
amplitude or phase modulation signaling techniques, but not both, to encode
electronic data onto optical signals.

 

To achieve higher speed, more complex modulation schemes,
in which both amplitude and phase are modulated will be necessary. Such complex
modulation formats are best implemented with linear transmitters.

 

Inphi’s IN3214SZ is the industry’s first 32Gbps
integrated quad linear driver for linear transmitter architectures and is
designed to enable more complex modulation formats to be implemented,”
said Jag Bolaria, senior analyst at the Linley Group.

 

Inphi’s IN3214SZ is designed to enable OEMs to implement
more complex modulation with up to 16 bits per symbol. Such an efficient
modulation format will allow the optical rate to remain the same but the amount
of information to be transmitted to increase by a factor of four. Inphi’s
IN3214SZ is an integrated quad linear driver that enables such complex
modulation formats to be implemented.

 

“Inphi is the first company to offer its customers
an advanced linear driver that is designed to enable them to build
next-generation 100G and 400G communications infrastructure,” said Loi
Nguyen, vice president networking, Communications and Multi-Market products at
Inphi.

 

Sampling today, the IN3214SZ is a differential input,
single-ended output, variable gain, linear driver that supports data rates up
to 32.5Gbps and has excellent linearity, high bandwidth, and low power
dissipation.

 

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