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Low-power demodulators support DVB-T, DVB-C, DVB-H

Posted: 14 Apr 2008 ?? ?Print Version ?Bookmark and Share

Keywords:video demodulator? DVB-H? terrestrial broadcast?

Silicon Laboratories Inc. has released a pair of small, low-power digital video demodulators that supports DVB-T, DVB-C and fixed reception DVB-H in a single chip.

The Si2161 and Si2165 represent the first in a family of mixed-signal demodulators, tuners and receivers developed for digital and hybrid analog/digital fixed TV equipment worldwide. The demodulators are suitable for equipment receiving digital terrestrial and/or cable services, including integrated digital TVs, Free-to-Air or pay-TV STB receivers, PC-TV add-on cards and DVD/HDD personal video recorders.

Both the Si2161 and Si2165 products operate natively in DVB-T mode, the most widely deployed terrestrial broadcast standard, including Europe, Taiwan and Australia. The Si2165 adds the DVB-C demodulator mode used for unscrambled and pay-TV cable services.

The Si2165 provides power dissipation of less than 130mW. The Si2161 and Si2165 integrate 12bit ADCs that enable full flexibility in interfacing to any RF tuner whether standard IF, low IF or zero IF outputs. The demodulators also meet all of D-Book and NorDig 1.0.3 specifications.

The devices are packaged in a small, 5mm x 6mm, 36-pin QFN package. Pricing for the Si2161 starts at $2.90 and the Si2165, at $4.80 for 10,000-unit quantities. Samples are available now.

- Ismini Scouras

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