Demodulator simplifies TV and STB video front ends

The Si2169 single-chip multimedia demodulator enables developers to simplify the design of iDTV, set-top box (STB), and Blu-ray/DVD recorder products. It integrates the emerging DVB-T2 standard, advanced DVB-S2 standard, and existing DVB-T, DVB-S and DVB-C standards into a single CMOS chip supporting terrestrial, satellite and cable TV broadcast.

Complemented by the Si2168 pin-compatible DVB-T2/T/C demodulator designed for terrestrial and cable TV broadcast, the combo fully comply with NorDig 2.2.1 and D-Book 7 specifications. The Si2168/69 architecture supports such tuner options as mixer oscillator phase-locked loop (MOPLL)-based modules and standard intermediate frequency (IF) terrestrial silicon tuners.

The demodulators require no specific costly components, simplifying the system BOM and lowering cost. They use only two power supplies for a typical power dissipation of 450 mW. Samples and production quantities of the Si2169 and Si2168 demodulators are available in 7mm x 7mm 48-pin QFN packages. Priced at $9.94 and $7.92 USD respectively in 10,000-unit quantities.

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