Calif.-based Orca Systems Inc., now is marketing the ORC5300 family of complementary metal-oxide semiconductor (CMOS) TV- tuner integrated circuits (ICs) powered by the company’s patented DSP-RF technology.

The ORC5300 tuner family currently includes the ORC5305, a universal hybrid tuner supporting worldwide analog and digital terrestrial and cable TV standards; and the ORC5310, a universal hybrid tuner with an integrated analog TV demodulator. The new tuner family, which will be demonstrated at next week’s CES show, includes the ORC5310, which integrates a digital and analog TV tuner with an analog TV demodulator to reduce the design complexity of TVs, set-top-boxes (STBs) and PC TV accessories. The ORC5310 provides composite video baseband (CVBS) and sound interface (SIF) outputs for analog TV signals directly to the audio and video processor of the TV or STB.

Orca says the tuner family devices are configurable to receive all worldwide cable-TV and terrestrial standards, enabling manufacturers to have a single hardware platform to support regional requirements globally. Supported standards include: PAL, SECAM, NTSC, DVB-T/T2, ISDB-T, ATSC, DTMB, ITU-T J.83 Annex A (DVB-C)/B (U.S. cable)/C (Japan cable), DOCSIS and EURODOCSIS.

The ORC5300 family also supports a wide tuning range, spanning 45 MHz to 1002 MHz; and very low noise figure (4 dB nominal), making it easier to receive weak signals and facilitating reception of more channels. The solutions provide high adjacent channel rejection, strong blocking immunity, high RF linearity and channel selectivity, resulting in better channel reception in spectrum crowded urban areas.

According to CEO and Founder Guruswami Sridharan, “This announcement embodies a significant breakthrough in silicon area for high performance CMOS tuners. DSP-RF enables monolithic integration of RF and mixed-signal functions with high-speed digital circuits. The ORC5300 family is the first step to delivering highly integrated hybrid single chip receivers combining tuner and demodulator functions, enabling a path to further system cost reductions and design flexibility for TV and STB manufacturers.”

The Daily


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