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Demodulator aims at broad TV market

Posted: 13 Dec 2007 ?? ?Print Version ?Bookmark and Share

Keywords:demodulator? hybrid receiver? digital and analog broadcasting? DTV?

Fresco Microchip Inc. has introduced its latest low-power, single-chip demodulator for universal analog terrestrial (NTSC, PAL, SECAM), analog cable and DVB-T digital TV broadcasts. Designed to provide broad reception coverage, the FM2050 hybrid receiver leverages the company's agileDSP architecture, which is said to virtually eliminate the part-to-part variation common in existing demodulator implementations, lowering system cost and simplifying design.

Offering high levels of integration, the FM2050 integrates both the SAW filter and programmable gain amplifier functionality, which allows for direct connection to low-cost IF tuners. The chip eliminates complexity by also integrating universal analog video and audio demodulation, digital video demodulation and IF processing into a single IC that delivers enhanced digital and analog broadcast performance.

The FM2050 operates on external 1.2V and 3.3V power supplies, and delivers low-power operation at 500mW. All clock synthesis is referenced to a single external crystal. The device is housed in a 48-pin QFN package.

The FM2050, when combined with a silicon tuner, offers a compact system solution for meeting low-power and small footprint requirements for PC and portable TV applications. For the broader digital television market, the chip is fully compatible with "CAN" tuners to deliver high-quality reception for DTV and TV recorder platforms.

The FM2050 accepts the IF output directly from commonly available tuners and generates digital MPEG streams and analog CVBS video with SIF. The FM2050 supports all modes of the DVB-T standard and is compliant with free-to-air international analog demodulation broadcast standards.

Samples are available now.

- Gina Roos
eeProductCenter




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