mt7402 Microtune,Inc, mt7402 Datasheet

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mt7402

Manufacturer Part Number
mt7402
Description
Silicon Subsystems Solutionsfor Broadband Communications Automotive Electronics
Manufacturer
Microtune,Inc
Datasheet
MT7402 HYBRID CAR TV
TUNER MODULE FOR
AUTOMOTIVE APPLICATIONS
PRODUCT BRIEF
The MT7402 is a high-end tuner for
terrestrial analog and digital TV
reception. It’s designed to meet the
stringent requirements of mobile
applications.
M I C R O T U N E ®
MT7402 Tuner Module
RF SILICON AND SUBSYSTEMS SOLUTIONS
FOR BROADBAND COMMUNICATIONS AND AUTOMOTIVE ELECTRONICS
Module is specifically designed to meet
the demanding performance targets of
automotive customers, at an attractive
price. This tuner is compatible with both
analog TV standards as well as with the
digital DVB-T standard, enabling
customers to realize a highly integrated,
high-performance, cost-effective hybrid
car TV receiver solution. The MT7402
Tuner Module converts the RF signal into
an IF signal. It combines a low noise
figure with high gain and offers an
operational frequency of 45 MHz to
860 MHz divided into VHF low, VHF high
and UHF bands. Signal paths for the
three different bands are realized
separately, providing excellent
performance. The RF AGC can be
controlled either externally via the RF
AGC voltage input or automatically via
the internal AGC loop control, with
programmable parameters for threshold
and time constant. The address select
function enables the use of up to four
MT7402 tuners to realize high
performance functions like tuner
diversity, frequency diversity, or blending
between analog TV and DVB-T
reception.
balanced IF output capable of directly
driving an external surface acoustical
wave (SAW) filter. The external
demodulation can cover all analog TV
standards, provided that the picture
carrier is fixed at 38.9 MHz and the
filtering of the tone carrier is done
accordingly.
The digital TV section contains a
switchable (7/8 MHz) SAW filter for
excellent adjacent channel performance,
an IF amplifier for filter loss
compensation, and offers a balanced IF
output to directly drive an external DVB-T
demodulator. The IF gain can be
controlled externally via the IF AGC
voltage input.
several tuner functions are controlled via
I
Module combines very small size with
high performance in harsh environments,
making them especially suitable for
automotive and mobile applications.
2
C serial bus. The MT7402 Tuner
The MT7402 Hybrid Car TV Tuner
The analog TV section provides a
Band selection, tuning, and
APPLICATIONS
FEATURES
ANALOG
DIGITAL
GENERAL
Hybrid (analog and digital)
car TV receivers
Set-top box applications
Compatible with receiving
standards B/G, D/K, L/L, M/N
and I (PC fixed at 38.9 MHz)
Balanced IF output drives an
external SAW filter directly
Balanced IF output (36 MHz)
with integrated switchable
(7/8 MHz) SAW filter and
integrated IF amplifier
Excellent phase noise
Single conversion hyperband
tuner
Input frequency range:
45 MHz to 860 MHz
Common antenna input via
pin
Excellent large-signal
behavior
Low noise figure
Very high gain
Selectable RF AGC
(externally or internally
controlled)
Externally controlled IF AGC
Address select input allows
control of up to four MT7402
modules
Conforms to DBP, EN, and
VDE
Functions controlled by I2C
bus
Horizontal housing with very
small form factor
Designed and qualified
according to automotive
requirements

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mt7402 Summary of contents

Page 1

... ® MT7402 HYBRID CAR TV TUNER MODULE FOR AUTOMOTIVE APPLICATIONS PRODUCT BRIEF The MT7402 is a high-end tuner for terrestrial analog and digital TV reception. It’s designed to meet the stringent requirements of mobile applications. MT7402 Tuner Module RF SILICON AND SUBSYSTEMS SOLUTIONS ...

Page 2

... 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 © 1996 - 2005 Microtune, Inc. MT7402 PB-00054 — Rev 1.1 ELECTRICAL CHARACTERISTICS M ...

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