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Splitter family offers up to eight RF outputs

Posted: 03 Dec 2009 ?? ?Print Version ?Bookmark and Share

Keywords:gateway splitter? RF? tuner?

APS3600 splitter

Anadigics Inc. launches the APS3600 splitter family, which incorporate multiple tuner architectures, for use in home gateways. The family also offers linearity over the cable spectrum and low return loss, thus delivering enhanced image and sound quality in a multitude of applications.

The new family of gateway splitters offers several benefits to equipment manufacturers, service providers and consumers. Equipment manufacturers benefit from integrated active solutions that have high linearity and low noise, which do not degrade the signal integrity. Service providers can benefit from lower equipment costs since the box size is potentially smaller due to fewer components than traditional passive designs. Consumers with networked entertainment devices can also enjoy the features of their primary STB or DVR, from any room within the house, resulting in an improved user experience. Businesses such as hotels can expand their TV services to more than 15 different hotel rooms using equipment containing these active splitter devices.

Family specs
Anadigics' new family of gateway splitters provides the number of RF outputs required for highly function gateway devices, while maintaining the linearity of each tuner path and delivering very low signal loss for optimal performance. Each device supports up to 1GHz cable spectrum, 75? inputs and outputs, and operates from a 3.3V or 5V power supply.

The APS3625 offers five-way active split with 4.8dB typical noise figure and 4dB gain. The 4mm x 4mm x 1mm device maintains the RF signal path to a high priority port in power loss mode. This five-way splitter includes one by-pass output to maintain a connection when power is lost. The by-pass port is intended for critical signals such as cable supplied phone service.

The APS3607 offers a four-way split with nominal 3.2dB gain and a 4.7dB typical noise figure. This is a 3mm x 3mm x 1mm device. Four-way splitters are ideal for emerging DOCSIS 3.0 modems which incorporate narrowband tuners and STBs which need up to four video tuners for combined DVR, PiP, and feed-through functionality.

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