RF SILICON AND SUBSYSTEMS SOLUTIONS
FOR BROADBAND COMMUNICATIONS AND AUTOMOTIVE ELECTRONICS
MT1503EDC
DAB/DMB TUNER
The MT1503EDC is a tuner
module for reception in VHF Band III
and L-Band compliant to the DAB
EUREKA 147 standard. It performs a
down-conversion to an intermediate
frequency followed by further signal
processing based on an integrated
baseband processor. A serial bus
interface serves as a digital audio
output.
to meet the specific requirements for
automotive applications and provides
reliable performance even under
harsh environmental conditions like
temperatures from -40°C to +85°C.
PRODUCT BRIEF
The MT1503EDC is a high-end tuner
module with integrated channel decoding
and baseband processing capabilities for
terrestrial digital audio broadcasting
(DAB). It has been designed to meet the
specific requirements of automotive
applications.
APPLICATIONS
•
High-end automotive entertainment
systems featuring digital audio (DAB)
or video services (DMB, DAB-IP)
Dynamic navigation systems requiring
TMC or TPEG data
In order to minimize interferences
and distortion caused by undesired
signals of adjacent channels the
tuner section of the MT1503 features
digitally aligned tracking filters and
an IF SAW filter. The integrated flash
memory stores the necessary
alignment data and the software for
the baseband processor.
•
•
Information terminals for mobile data
services
FEATURES
•
Double down-conversion for L-Band,
Single down-conversion for
VHF Band III reception
The MT1503EDC supports a
variety of possible applications by
decoding FIC/FIDC and PAD data
which is used to broadcast dynamic
labels, traffic information,
•
•
•
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50 Ω antenna input matching
External RF AGC (pin diode)
Gain controlled LNAs for both bands
Selectable RF AGC threshold level
Tunable preselection filter for better
image rejection
MT1503EDC DAB/DMB Tuner
slideshows, websites as well as
information needed for station
following and announcement
switching. A standardized Raw Data
Interface (RDI) and a Serial
•
•
•
IF SAW filter
Selectable IF AGC threshold
Decoding of full DAB audio/data
stream according to EUREKA 147
standard
Peripheral Interface (SPI) grant
access to the full DAB audio and
data stream to enable an easy
connection of external decoders for
additional data services and mobile
TV applications. All tuner and DSP
functions are controlled by a
•
•
Decoding of FIC/FIDC and PAD data
Processing of data services in parallel
to audio service
•
•
Supports stream and packet mode
Error concealment and dropout
masking
•
Extended data processing capabilities
Universal Synchronous/
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Very small form factor
Asynchronous Receiver/Transmitter
(USART) interface.
Shielded metal housing
USART bus for control functions
RDI and SPI interfaces for external
DMB and data decoders
Active antenna systems as
commonly used for automotive
applications can be fed with 12V
phantom power which is routed from
a pin connector to the antenna input
of the module.
•
•
USB and SSO interface optional
Extended parametric temperature
range of -40° to +85°C
•
12 V phantom power feeding for an
active antenna
The MT1503EDC is lead free and
fully complies with RoHS
•
On-board flash memory
requirements. It has been optimized
•
•
Lead free and RoHS compliant
Qualified according to automotive
requirements
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