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MICROTUNE
RF SILICON AND SUBSYSTEMS SOLUTIONS FOR BROADBAND COMMUNICATIONS AND AUTOMOTIVE ELECTRONICS
M2060-STV0297-RD DVB-C REFERENCE DESIGN
PRODUCT BRIEF
The MT2060-STV0297-RD is an inexpensive, integrated tunerdemodulator Reference Design solution for DVB-C applications.
The MT2060-STV0297-RD is a cost-optimized, high-performance Reference Design that eases DVB-C implementation in cable set-top boxes. The combination of the MicroTunerTM MT2060 and the STMicroelectronics STV0297 demodulator, enhanced by special adjacent channel filtering and inband flatness, meets or exceeds required DVB-C performance. The design also features low power consumption and low component count. ABOUT THE MT2060 The MicroTunerTM MT2060 is an advanced, low-power single-chip broadband tuner that enables highperformance RF reception in DVB-C set-top boxes. It receives frequencies ranging from 90 MHz to 862 MHz, converting the selected channel to a standard 36.125 MHz intermediate frequency (IF). The highly-integrated, dualconversion architecture of the MT2060 includes on-board band selection filters. This minimizes external component count, resulting in an extremely cost-effective, lowrisk DVB-C design. The MT2060's low distortion and low close-in phase noise makes it an excellent choice for QAM signal processing systems. The controlled input impedance across the entire input band, and the outstanding image rejection with low in-band emissions and spurs makes it the silicon tuner of choice for such applications.
M2060-STV0297-RD DVB-C REFERENCE DESIGN
ABOUT THE STV0297 The STV0297 is a single chip QAM demodulator that converts an IF signal to an MPEG-2 datastream. It is fully compliant with the DVB-C specification (ITU J83A/C bitstream) for the transmission of compressed television, sound and data signals over cable. The integrated A/D converter in the IC allows it to handle 16 to 256 QAM signals and a wide range of symbol rates without an external feedback loop or an additional down-converter stage. The IC delivers an error-corrected MPEG-2 transport stream with programmable data clock frequency to an MPEG-decoder. The STV0297 is fully controlled using the two-wire serial bus. It integrates seamlessly with the MT2060 tuner in this Reference Design, using a 36.125 MHz IF frequency.
MICROTUNE
FEATURES
* DVB-C compliant * 90 MHz to 862 MHz input range * Easy interfacing using SPI
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* * * *
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parallel-bus output (LVDS option available) Cost-optimized BOM (Bill Of Materials) with minimal external component count No manually-tuned parts required Low-power dual-conversion RF architecture Turnkey Reference Design speeds time-to-market Reference Design Evaluation Boards with complete software and documentation package available Fully controlled by two-wire serial bus
M2060-STV0297-RD DVB-C REFERENCE DESIGN
PRODUCT BRIEF
TYPICAL SYSTEM PERFORMANCE
PARAMETER Bit Error Rate (BER) without added noise BER with added noise TEST CONDITIONS
Input Signal : Frequency Range: Symbol Rate: QAM: Input Signal : Frequency Range: Symbol Rate: QAM: CNR: -13 dBmV 140 - 850 MHz 6.952 Msym/s 256 -13 dBmV 140 - 850 MHz 6.952 Msym/s 256 >33
PERFORMANCE (BER) < 5 x 10-6
<= 2.00 x 10
-4
MT1110
MT2060
STV0297D
Microtune Components
STMicroelectronics Components
MT2060-STV0297-RD BLOCK DIAGRAM
Microtune, Inc., 2201 Tenth Street, Plano, TX 75074, USA Tel: +1-972-673-1600, Fax: +1-972-673-1602, E-mail: sales@microtune.com, Web site: www.microtune.com For a detailed list of design centers, sales offices, and sales representatives, visit our Web site at www.microtune.com.
NOTICE - The Microtune information in this document is believed to be accurate and reliable as of the date of this document. Microtune has obtained all ST Microelectronics product descriptions, specifications and performance information described in this document from ST Microelectronics sources. Microtune has not independently verified any of this ST Microelectronics information and makes no warranty as to its accuracy or reliability. Microtune assumes no responsibility for any consequences arising from the use of this information, nor from any infringement of patents or the rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or other rights of Microtune. The information in this publication replaces and supersedes all information previously supplied, and is subject to change without notice. The customer is responsible for assuring that proper design and operating safeguards are observed to minimize inherent and procedural hazards. Microtune assumes no responsibility for applications assistance or customer product design. The devices described in this document are not authorized for use in medical, life-support equipment, or any other application involving a potential risk of severe property or environmental damage, personal injury, or death without prior express written approval of Microtune. Any such use is understood to be entirely at the user's risk. Microtune is a registered trademark of Microtune, Inc. MicroTuner, MicroStreamer, VideoCaster, DataCaster, and the Microtune logo are trademarks of Microtune, Inc. All other trademarks belong to their respective companies. Microtune's products are protected by one or more of the following U.S. patents: 5,625,325; 5,648,744; 5,717,730; 5,737,035; 5,739,730; 5,805,988; 5,847,612; 6,100,761; 6,104,242; 6,144,402; 6,163,684; 6,169,569; 6,172,378; 6,177,964; 6,211,745; 6,218,899; 6,268,778; 6,310,387; 6,323,736; 6,355,537; 6,429,502; 6,462,327; 6,535,068; 6,580,313; 6,608,522; 6,631,257; 6,714,776; 6,725,463; 6,744,308 B1; 6,771,124; 6,804,099; D469,742 and additional patents pending or filed. Entire contents Copyright (c) 1996 - 2005 Microtune, Inc. 042805
PB-00122 -- Rev 1.0
APRIL 2005

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