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| MI C R O T U N E(R) RF SILICON AND SUBSYSTEMS SOLUTIONS FOR BROADBAND COMMUNICATIONS AND AUTOMOTIVE ELECTRONICS MT1393ETC FM/RDS TUNER MODULE PRODUCT BRIEF The MT1393ETC is a highly integrated FM tuner module with an on-board data decoder for RDS (Europe) as well as RBDS (US). MT1393ETC FM/RDS Tuner Module The MT1393ETC FM/RDS Tuner Module is specifically designed to meet the demanding performance targets of automotive customers, at an attractive price. This tuner module has been developed for both FM audio reception as well as RDS/RBDS data reception and includes both an integrated receiving condition analyzer and an integrated RDS/RBDS decoder. The high level of functionality makes this tuner module an ideal solution for use as a dedicated background tuner enabling data services offered via RDS/RBDS and monitoring alternate frequencies. Its excellent sensitivity and strong signal performance produce clear audio and reliable data reception, even under critical receiving situations. The MT1393ETC is environmentally hardened to operate over an extended temperature range and under adverse climatic conditions and offers a very small form factor for space-critical applications. The tuner section of the module contains a double downconversion system with a selective pre-filter circuit and image reject mixers. The dynamic selectivity function evaluates the current receiving situation continuously and automatically determines the optimum IF bandwidth. The audio path provides an MPX signal output for external stereo decoding. The RDS/RBDS portion of the MT1393ETC contains, in addition to the demodulator and decoder, data processing functions including synchronization and error correction. An integrated RAM buffer for up to 24 RBS/RBDS blocks decreases the number of data pulls via the I2C bus. This serial bus is used to control frequency settings and multiple programmable functions of the MT1393ETC. APPLICATIONS * * Car radios (FM audio reception or background data reception) Dynamic navigation systems (Traffic data reception) FEATURES FM * * * * * Double down-conversion Selective pre-filter circuit Image reject mixers Keyed AGC selectable, AGCthreshold programmable Highly sophisticated IF filter technology with dynamically controlled bandwidth MICROTUNE * * FM demodulator with noise cancellation Receiving condition analyzer with detectors for "adjacent channel", "multipath" and "fieldstrength" Stop signal output Adjustable softmute control Multiplex (MPX) audio output Integrated demodulator and decoder Supports European RDS and US RBDS Automatic group- and blocksynchronization Error detection and error correction RAM with a capacity of 24 blocks Programmable interrupt for readout of data via I2C bus I2C bus-controlled On-board EEPROM supports digital alignment Very small form factor Design tool: Evaluation Kit MT1393ETC_EK available * * * RDS * * * * * * GENERAL * * * * M T13 93 ETC FM R DS TUNER M ODUL E PRODUCT BRIEF OPERATING CHARACTERISTICS PARAMETER 5V Power supply voltage Current Voltage 8.5V Power supply voltage Current Voltage Operating temperature Storage temperature 8 -40 -40 100 8.5 9 +85 +95 mA V C C 4.5 35 5 5.5 mA V ELECTRICAL CHARACTERISTICS TYP MAX UNIT PARAMETER Receiving frequency range USA band Europe band Sensitivity for S/N=26 dB S/N at high RF input Image rejection AM supression THD+N Adjacent channel selectivity (100 kHz) Alternate channel selectivity (200 kHz) 87.9 87.5 2 60 70 55 0.15 10 72 70 -1 430 1.8 4 18 107.9 108 MHz MHz V dB dB dB % dB dB dB dB mV V V dBV MIN MIN TYP MAX UNIT INPUT/OUTPUT CHARACTERISTICS PARAMETER Antenna Input Input impedance VSWR Field-strength level detector output Voltage Adjacent channel detector output Voltage (open collector with pull up) SCL (IIC bus) SDA (IIC bus) Stop signal output Voltage Maximum sink current Multipath detector output Voltage Output resistance MPX audio output Load resistance Output resistance Interrupt output Low level voltage High level voltage Output resistance 4 10 1.2 V V k 20 50 k 0.1 2.5 4.9 V k 0.2 5 1 V mA 0.1 4.9 V 0 5 V 50 4 MIN TYP MAX UNIT Intermodulation rejection Frequency response MPX output voltage (deviation=75 kHz) Field-strength output voltage RF input = 30 dBV RF input = 100 dBV RDS sensitivity for 50% correct received blocks Standard measurement conditions High and Low levels are according to the IIC bus specification with thresholds of 3.3V or 5V. Antenna dummy with loss=6dB; RF input = 60dBV; deviation = 40kHz; audio frequency = 1kHz; de-emphasis = 50s; CCIR weighted MECHANICAL CHARACTERISTICS PARAMETER Vertical Housing (Product ID = 3x0923) Length Width Height 48 14 29.8 mm mm mm DIMENSION UNIT All inputs/outputs via pins; number of pins is 16; pin grid is 2.54mm FM Antenna FM Tuner FM Demodulator Multipath Detector Adjacent Detector Multipath Adjacent Channel Fieldstrength Level PLL EEPROM Level Detector IIC Bus Interface Power Supply RDS Demodulator & Decoder IF Counter Stopsignal SCL SDA 5V 8.5V RDS Interrupt MPX MT1393ETC FM/RDS Tuner 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. The information in this document is believed to be accurate and reliable. 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: DE10011662; GB1026825; ES1026825; DE19628727; DE19904588.7; DE348698; FR348698; GB348698; IT348698; DE3821716; US5,933,946; DE50000802.7; DE552624 and additional patents pending or filed. Entire contents Copyright (c) 1996 - 2005 Microtune, Inc. 041105 PB-00123 -- Rev 1.0 APRIL 2005 |
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