ATI's NXT2004 and NXT6000 receiver technologies selected by Comtech
March 20, 2003

by -- Broadcaster Magazine

Markham, Ont. - ATI Technologies Inc. announced today that Comtech Technology Co. Ltd, has chosen the NXT2004 VSB/QAM Receiver and the NXT6000 DVB-T Receiver for its latest generation of digital terrestrial tuners. Based in Taiwan, Comtech manufactures tuners, modules and converters for set-top box (STB), cable TV and RF related products

The tuner/demodulator products are intended for terrestrial and digital cable compatible TV, set-top box, and PC-DTV (personal computer-digital television) products for countries using the ATSC (Advanced Television Systems Committee) and the DVB-T (Digital Video Broadcasting Project-T) standards.

“Based on strong customer demand, we deliver our digital terrestrial tuners to the DTV, STB, and PC-DTV markets. Quality and performance are more important than anything else,” said Tony Hsieh, R&D; manager at Comtech Technology Co., Ltd. “ATI’s NXT6000 offers automatic transmission mode detection including number of carriers and guard interval. NXT6000 has more features such as full DVB-T and NorDig compliance as well as programmable adjacent channel and adaptive co-channel interference cancellation. We chose ATI to deliver all of these necessary features for a high performance terrestrial tuner coupled with good technical support. We’re glad to offer ATI’s NXT2004 and NXT6000 in our products.”

“ We’re seeing a greater demand for DTV solutions from companies such as Comtech to meet the need for high quality and strong performance in tuner/receiver technology,” said Yujing Wei, Greater China manager, marketing and business development, DTV/Consumer Products Group, ATI Technologies Inc. “ATI’s NXT2004 and NXT6000 receiver technologies will enable Comtech to deliver exceptional digital terrestrial tuner solutions for their customer base.”

The NXT2004 VSB/QAM (vestigial side band/quadrature amplitude modulation) Receiver is designed for a variety of applications including off-air and digital cable television receivers, set-top boxes, PCDTV and datacast applications where cost, low power and industry leading performance are a must. The NXT2004 VSB/QAM Demodulator is configurable to work in either the ATSC compliant 8 VSB mode for terrestrial broadcasting or in the ITU-J.83B/SCTE DVS-031 compliant 64 QAM or 256 QAM modes.

The NXT6000 COFDM (code orthogonal frequency-division multiplexing) Demodulator and FEC (forward error correction) IC is a highly integrated solution for digital terrestrial receiver applications. This single-chip receiver includes a COFDM Demodulator together with Viterbi and Reed Solomon Forward Error Correction and an integrated 10 Bit A/D converter. The NXT6000 not only supports all modes of the DVB-T standards as defined by ETS 300 744, but also meets the mandatory requirements of the NorDig Receiver Specification that defines a set of requirements for high-performance terrestrial receiver solutions.

ATI Technologies will exhibit its DTV technologies on March 21-23 at China Cable Broadcasting Network 2003 at booth #3606 in Hall 3 of the China International Exhibition Center, Beijing, China.

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