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RF/Microwave??

STB decoder intended for high-volume markets

Posted: 29 Mar 2006 ?? ?Print Version ?Bookmark and Share

Keywords:STI5188? receiver? decoder? STB? set-top box?

STMicroelectronics (ST) announced the STI5188 low-cost satellite set-top box (STB) receiver/decoder chip intended for high-volume free-to-air markets in Asia, the Middle East, Africa, South America and Europe. This device combines the functions of ST's STV0288 DVB-S receiver and the STM5118 mass-market STB decoder. Additionally, the STI5188 is said to be the first low-cost decoder for the STB market to be implemented in 90nm process technology.

The STI5188 integrates the QPSK (quadrature-phase-shift-keying) demodulator, together with audio DACs and voltage-controlled crystal oscillator, which is said to assist manufacturers in cutting total bill-of-materials cost. STMicro claims to be one of the few companies with QPSK IP, and the embedded QPSK demodulator, with 'blind scan' capability to allow users to autoscan for available signals.

System software runs on an embedded ST20 32bit RISC CPU core operating at 200MHz. A dedicated 2D graphics engine allows the creation of a user interface (UI), including mosaic channel presentation.

Available in a 176-pin 20-by-20mm QFP package, engineering samples of the STI5188 have already been shipped to key customers, with volume production planned for the end of Q2 2006. Pricing is $4.50 for quantities of 500,000 units.




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