EE Product News

ICs Deliver Alignment-Free Operation To Set-Top Boxes

A double conversion tuner chipset--the SL2030, SL2035 and SP5848--was developed for use in tuners in cable set-top boxes. As a up/down conversion system manufactured on a bipolar process, the chipset is said to deliver the benefits of alignment-free operation while improving performance and reducing the cost of cable set-top box tuners. The chipset provides complete up and down conversion functionality in double conversion tuner systems for cable networks. The solution includes the SL2030 and SL2035 up and down converters and the SP5848 dual PPL. While accommodating a wide dynamic range RF input, the chipset achieves low phase noise performance of -90 dBc/Hz. A demonstration board is available.

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