San Diego, Calif. Pulse, a Technitrol Company, has expanded its SmartER series of xDSL, high-density, low-pass splitter/filter modules for very-high-bit-rate digital subscriber line (VDSL2) applications. Packaged in a 17 x 13-mm footprint, which is about one-third the size of standard SMART modules, the B8841NL and B8846NL modules, save board space.
Though designed for VDSL2, the B8841NL and B8846NL modules can also be used in ADSL and ADSL2+ applications. The B8841NL complies with the ETSI (European Telecommunications Standards Institute) 600 ohms real impedance standard, and the B8846NL meets the ETSI option B and BT (British Telecom) SIN-346 complex impedances. Combining two standards in one module allows the B8846NL to replace two SMART modules, the B8048E and the B8546E, with one. The modules separate voice and data in xDSL applications.
Because the B8841NL and B8846NL modules can carry frequencies up to 30 megahertz, rather than the 2.2 megahertz for SMART modules, they can be used for the latest broadband wireline standard VDSL2 to provide triple play (voice, video, data) services such as high-definition television (HDTV) and interactive gaming.
The low-pass splitter/filter modules are constructed without a housing and use fewer inductors than were required by the SMART modules to achieve the same functions, making them more cost-effective, said Pulse. In addition, the small size of the modules provides a flexible architecture because CO system integrators can either use a smaller splitter board or add more lines to a splitter board, while CPE designers can fit more functions on a smaller home gateway, said Pulse. Reduced board space also means that VDSL2 cabinets can be installed closer to a tenant, reducing the operator's expenses.
The SmartER series currently includes three part numbers that cover 4 ETSI and BT standards. Pulse plans to expand the series throughout the year until modules are available to meet all applicable xDSL standards worldwide.
Modules in the SmartER series are RoHS-6 compliant. The splitter/filter modules are pin-to-pin compatible, so the same board layout can accommodate different standards for different countries just by changing the component model. They are also turnkey; fully tested with ready-to-use electrical modules.
Pricing: Begins at $2.95 per module in the U.S. and varies depending on order configuration and destination.
Datasheets: B8841NL and B8846NL
Pulse, 1-858-674-8100, www.pulseeng.com