STB decoder/demodulators

2 March 2011 Telecoms, Datacoms, Wireless, IoT

STMicroelectronics has extended its product portfolio for high-performing STBs by unveiling two new system-on-chip ICs that allow standard-definition (SD) or high-definition (HD) equipment to share the same printed circuit board design and leverage software developed for earlier product generations.

The STi7162 for HD STBs and STi5262 for SD products are based on the widely used STi7167 and STi5267, respectively. Targeting free-to-air, cable and terrestrial STBs, as well as hybrid products with added support for IPTV, each device combines the STB decoder with DVB-C cable and DVB-T terrestrial demodulators, plus optional Ethernet support. Each device supports targeted functions for cost-optimised STBs with built-in security features.

The ICs have identical pin assignments, allowing manufacturers to save the costs of developing a separate PCB for SD and HD products. Each chip also simplifies PCB design and reduces build costs, as the pin assignments allow a straightforward two-layer board instead of a complex and expensive multi-layer board. In addition, software compatibility between the latest devices and the proven STi7105 and STi7167 enables project teams to re-use existing software.

The STi5262 and STi7162 are available in 27 x 27 mm, 620-ball PBGA packages.

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