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PDF MT1119 Data sheet ( Hoja de datos )
| Número de pieza | MT1119 | |
| Descripción | AUTOMOTIVE AM/FM ANTENNA AMPLIFIER SUBSYSTEM | |
| Fabricantes | Microtune | |
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Hay una vista previa y un enlace de descarga de MT1119 (archivo pdf) en la parte inferior de esta página. Total 2 Páginas | ||
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RF SILICON AND SUBSYSTEMS SOLUTIONS
FOR BROADBAND COMMUNICATIONS AND AUTOMOTIVE ELECTRONICS
MT1119 AUTOMOTIVE AM/FM
ANTENNA AMPLIFIER
SUBSYSTEM
PRELIMINARY PRODUCT BRIEF
The MT1119 is a highly integrated and
complete RF amplifier subsystem for
active AM/FM antennas
MT1119 High Performance Automotive
AM/FM Amplifier Subsystem
The MT1119 is an advanced, low-
power, highly integrated single-chip
amplifier IC specifically designed for
automotive AM/FM antenna systems
requiring low noise and very low
distortion. Additionally, the MT1119
has an integrated true-RMS power
detector and an uncommitted
op-amp in order to realize an AGC
function for FM by simply adding
external PIN diodes. The threshold
of the FM AGC function is variable
and can be set according to the
application requirements. The on-
chip 2.5V temperature compensated
reference generator and high output
voltage op-amp combine to form a
low-cost, reliable, automotive-
capable power supply which can be
directly derived from the car battery.
The MT1119 is capable of
amplifying signals with frequencies
in the 0.15 MHz to 30 MHz range for
AM and 76 MHz to 162.4 MHz range
for FM. External components
determine the gain of the AM and
FM amplifiers and can also be
modified to extend the operating
frequency of the MT1119.
The AM amplifier uses a highly
sophisticated design technology in
order to reach low noise, very low
distortion, high input impedance and
its capability to drive very low output
impedance. The FM amplifier is
matched to 50 ohms and is specially
designed to perform with very low
noise and distortion.
The small 24-pin QFN
package of the MT1119 and the
requirement for minimal external
components enables a compact,
cost-effective solution fulfilling
automotive requirements.
APPLICATIONS
• In-glass antennas
• Active roof antennas
• Other active AM/FM antenna
systems
FEATURES
• AM input frequency range
0.15 MHz to 30 MHz supports
AM, DRM and HD Radio
standards in the longwave,
midwave and shortwave band
• FM input frequency range
76 MHz to 162.4 MHz
supports FM and HD Radio
standards in the FM and
weather band
• Fully integrated amplifiers for
AM and FM
• Fully integrated RMS level
detector and general purpose
op-amp (PIN-diode drivers)
for easy implementation of
AGC function for FM
• On-chip reference voltage
generator and high output
voltage op-amp builds a
reliable low-cost voltage
regulator function
• Low noise
• Low power consumption
• Ultra low distortion
• Very high AM input
impedance
• Very small package
• Highly sophisticated
temperature compensation
design technology to support
the extended automotive
ambient temperature range
from -40° to 115°C.
• Integrated ESD protection
• Minimal external components
• 4x4mm 24-pin QFN package
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet MT1119.PDF ] | |
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