Sunday, August 22, 2010

Lantiq Samples 65nm VDSL2 CO Chipset with Line Bonding

Lantiq unveiled its latest generation 65nm chipset for central office linecards supporting the global VDSL2 and ADSL/2/2+ standards. The design can drive data rates up to 150 Mbps/downstream and 100 Mbps/upstream on a single line.

The new VINAX V3 chipset, which boasts the smallest package size and highest channel count, gives network equipment vendors a single solution to meet carrier requirements for all xDSL deployments. Sampling is underway. Some key features include:

  • Power consumption of just 0.9W per channel to meet future green design goals for broadband infrastructure, including requirements defined in the EU Code of Conduct (CoC) on Energy Consumption of Broadband Equipment. VINAX V3 also is the first VDSL2 solution to work with either Class AB or low-power Class H line drivers.

  • the small package size and highest channel count (per chipset) allows double VDSL2 linecard density compared to all on-market alternatives. Each VINAX V3 chipset occupies an area of 29 mm x 29 mm for 16 channels in VDSL2 Profile 17a. An 8-channel solution for VDSL2 profile 30a requires 30 percent less area.

  • On-chip integration of a MELT controller for remote line testing by carriers with no external equipment needed.

  • VINAX V3 uses the same Analog Front End (AFE) chip to support all of the VDSL2 profiles. The same PCB design can be used for a card deployed at a DSLAM or CO (Profile 17a, supporting up to 100 Mbps downstream/50 Mbps upstream) and a MDU card running Profile 30a (up to 150 Mbps downstream/100 Mbps upstream).

  • Higher density cards, up to 72 channels compared to 24 - 48 channels with earlier generation chipsets, reduce costs for both system vendors and carriers.

Lantiq noted that its VINAX V3 also supports line bonding techniques at chip and linecard levels that boost data-rate or data-reach for home and business users and support mobile backhaul applications with up to 500 Mbps symmetrical data rates. The chipset is also ready to support full System Vectoring, a VDSL2 enhancement that will reduce crosstalk in dense cable bundles.