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參數資料
| 型號： | 1383 |
| 英文描述： | 1383 Series Product Brief|AM/FM Tuner Modules |
| 中文描述： | 1383系列產品簡介|的AM / FM調諧器模塊 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 484K |
| 代理商： | 1383 |
1383 S
ERIES
AM/FM T
UNER
M
ODULES
A
UTOMOTIVE
A
PPLICATIONS
Product Brief
M I C R O T U N E
1383 AM/FM Tuner Module UFC, EFC, and JFC Versions
The 1383 Series AM/FM Tuner
Modules are high-end custom
and semi-custom products
specifically designed to meet the
demanding performance,
market, and pricing targets of
automotive customers.
These tuner modules are
designed for different standards
in the US, Europe, and Japan,
giving them “world” tuner
functionality.
The AM section contains an
up/down conversion system with
an active prestage and an audio
output. Software can control the
basic parameters such as AGC
threshold. Features such as the
highly sophisticated filter
technology at both intermediate
frequencies and the complex
AGC functionality help ensure
that the 1383 series tuners
provide high-end AM
performance.
The FM section contains a
double down-conversion system
with an active prestage and an
MPX signal output. Using
appropriate external signal
processing, the stereo signal and
the RDS/RBDS data can be
derived from the MPX signal. The
receiving condition analyzer for
output field strength, adjacent
channel, multipath, and
deviation, allows continuous
evaluation of the received signal.
This feature, together with the
ability to change parameters
such as IF bandwidth (50 kHz to
200 kHz), IF amplifier gain, or
AGC threshold via an external
microprocessor, provides ease
of system integration and helps
ensure optimum performance in
almost every situation. These
capabilities, coupled with the
integrated multipath noise
blanker, produce clear sound
with minimal noise and
interference even in the most
critical receiving situations.
The very short response time of
the PLL and of the outputs of the
receiving condition analyzer
support RDS applications in such
a way that evaluations of
alternative frequencies can
proceed very quickly with no
audible interference.
A three-wire bus controls band
selection, tuning, and the
multiple tuner functions.
APPLICATIONS
High-end car radios
FEATURES
AM
Up/down conversion
Excellent sensitivity
Superior selectivity due to
highly sophisticated filter
technology
High AGC dynamic range
450 kHz IF Output supports
AM stereo capability
Software-controlled functions
(AGC threshold)
FM
Double down-conversion
Superior sensitivity
Selective prefilter circuit
Image reject circuit
Keyed AGC
Outstanding selectivity due to
fixed and variable IF filters
10.7 MHz IF Output supports
common antenna diversity
systems
Receiving condition analyzer
for field strength, multipath,
adjacent channel, and
deviation
Multipath noise blanker
Many software-controlled
functions (soft mute, IF filter
bandwidth, AGC threshold)
GENERAL
Available for US, European,
and Japanese markets
Three-wire bus controlled
Very fast PLL
Stop signal output for AM and
FM
Two switching outputs (open
drain) and one DAC (3 bit)
output
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