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PDF MT3337 Data sheet ( Hoja de datos )
| Número de pieza | MT3337 | |
| Descripción | GPS All-in-One Solution | |
| Fabricantes | MEDIATEK | |
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MT3337 GPS All-in-One Solution
Data Sheet
Version:
Release date:
1.02
2013-01-14
© 2008 - 2013- 2009 MediaTek Inc.
This document contains information that is proprietary to MediaTek Inc.
Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
Specifications are subject to change without notice.
[email protected],time=2014-05-09 11:21:04,ip=183.233.254.10,doctitle=MT3337_data_sheet_external_v1.02.pdf,company=Ultra Source Technology Corp._RLT
M
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d
1 page  
MT3337
GPS All-in-One Solution
Confidential A
1 System Overview
1.1 General descriptions
MT3337 is a high-performance single-chip GPS solution which includes on-chip CMOS RF, digital
baseband, and ARM7 CPU. It is able to achieve the industry’s highest level of sensitivity, accuracy
and Time-to-First-Fix (TTFF) with the lowest power consumption in a small-footprint lead-free package.
Its small footprint and minimal BOM requirement provide significant reductions in the design,
manufacturing and testing resource required for portable applications.
With built-in LNA to reach total NF to 2.2 dB, you can eliminate antenna requirement and do not need
external LNA. With its on-chip image-rejection mixer, the spec of external SAW filter is alleviated. With
an on-chip automatic center frequency calibration band pass filter, an external filter is not required.
The on-chip power management design allows MT3337 to be easily integrated into your system
without extra voltage regulator. With both linear and a highly efficient switching type regulator
embedded, MT3337 allows direct battery connection and does not need any external LDO, which
gives customers plenty of choices for the application circuit.
Up to 12 multi-tone active interference cancellers (ISSCC2011 award) offer you more flexibility in
system design. The integrated PLL with Voltage Controlled Oscillator (VCO) provides excellent phase
noise performance and fast locking time. A battery backed-up memory and a real-time clock are also
provided to accelerate acquisition at the system restart-up.
MT3337 supports up to 210 PRN channels. With 66 search channels and 22 simultaneous tracking
channels, MT3337 acquires and tracks satellites in the shortest time even at indoor signal levels.
MT3337 supports various location and navigation applications, including autonomous GPS, SBAS
ranging (WAAS, EGNOS, GAGAN, and MSAS), QZSS, DGPS (RTCM) and AGPS.
Through MT3337's excellent low-power consumption characteristic (acquisition 25 mW, track 18 mW),
while using power sensitive devices, especially portable applications, you will not need to worry about
the operating time anymore and can have more fun. Combined with many advanced features
including AlwaysLocateTM, EPOTM, and logger function, MT3337 provides always-on position with
minimal average power consumption. The great features provide you supreme experiences for
portable applications such as DSC, cellular phone, PMP and gaming devices.
MediaTek Confidential
© 2013 MediaTek Inc.
This document contains information that is proprietary to MediaTek Inc.
Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
Page 5 of 32
[email protected],time=2014-05-09 11:21:04,ip=183.233.254.10,doctitle=MT3337_data_sheet_external_v1.02.pdf,company=Ultra Source Technology Corp._RLT
5 Page 
3 Block Diagrams
3.1 Architecture of single-chip receiver
MT3337
GPS All-in-One Solution
Confidential A
Figure 3-1: MT3337 system block diagram
3.2
Functional block diagram (RF part)
LNA
LNA
Mixer
IF Filteerr
PGA
4 biitt
AADDCC
Resistor
CAanlitbernantiaon
Detector
÷2
VVCCOO
RRFF LLDDO (2(2xxLLOO))
(1.5 )
CCPP
( H( igrhesrHeoislguohtliuotnion)
MMD
÷ 2 +SSDDMM
)
PPFFDD
XXOOSSCC
Figure 3-2: MT3337 RF functional block diagram
MediaTek Confidential
© 2013 MediaTek Inc.
This document contains information that is proprietary to MediaTek Inc.
Unauthorized reproduction or disclosure of this information in whole or in part is strictly prohibited.
Page 11 of 32
[email protected],time=2014-05-09 11:21:04,ip=183.233.254.10,doctitle=MT3337_data_sheet_external_v1.02.pdf,company=Ultra Source Technology Corp._RLT
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet MT3337.PDF ] | |
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