Infineon Technologies has introduced the newest member of its DuSLIC (dual-channel subscriber line interface circuit) family of products for voice and VoIP-enabled devices.
The DuSLIC-xT is an energy-efficient CODEC/SLIC that offers an excellent cost position for a complete voice enabled system. The manufacturer claims that it reduces the overall bill-of-materials for voice and VoIP systems including cable modems, analog terminal adaptors (ATA) and VoIP terminal applications by up to 50%, depending on system specifications and requirements, as well as shrinking the line interface unit footprint by up to 40% compared to current solutions.
The DuSLIC-xT includes an integrated high definition (HD) audio interface which allows the device to provide an interface between a PC or laptop and an analog phone. Integrated test and diagnostic functions (ITDF) are provided for loop monitoring, supporting the GR-909 standard as well as additional sophisticated test measures, to ensure realtime monitoring of voice quality and network stability. Wideband support is also integrated to offer high audio quality in future voice communications.
The device employs optimised DC/DC-based supply voltage generation and patented 'balanced' internal ringing to minimise power dissipation. The flexible power supply concept allows DuSLIC-xT to utilise one integrated DC/DC converter to feed all voice channels, while a second integrated converter can be used for other system tasks.
All relevant parameters are programmable via software so different markets can be served with a single hardware design that meets all worldwide voice standards.
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