IFR3000 ETC ETC, IFR3000 Datasheet

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IFR3000

Manufacturer Part Number
IFR3000
Description
IFR3000IFR3500 Rx IF/BASEBAND PROCESSOR
Manufacturer
ETC ETC
Datasheet

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Q U A L C O M M
I F R 3 5 0 0 F u n c t i o n a l B l o c k D i a g r a m
Q U A L C O M M , I N C O R P O R A T E D
Overview
At QUALCOMM CDMA Technologies (QCT), we strive to constantly
improve the indispensable communication tools we all use every day.
QCT creates state-of-the-art chipsets, system software, development
tools and products – such as the Launchpad™ suite of technologies and
software – that support the most advanced digital wireless features and
functionality available for wireless devices and base stations – while
continually reducing complexity, cost and board-space requirements.
The IFR3500™ device is a fully integrated IF-to-baseband processor
performing all CDMA and GPS receive (Rx) signal processing functions
required between the IF output from QCT’s RFR3100™ or RFR3300™
Rx front-end devices and at baseband with Mobile Station Modem
(MSM™) devices for IS-95 CDMA-only and ARIB-53 (Japan) J-CDMA
applications. The IFR3500 device leverages previous IFR3300™ circuit
designs, including GPS, and provides significant advantages in size and
cost for single-mode CDMA or single-mode plus gpsOne™- enabled
handsets. In conjunction with RFR3100 or RFR3300 devices, a
complete two-chip Rx radio implementation for CDMA handsets with
GPS position location capability is realized with minimum circuitry.
The IFR3500 device includes IF AGC amplifiers, IF VCO, selectable
frequency divider for IF LO, a quadrature IF-to-baseband downconverter,
in-phase (I) and quadrature (Q) baseband filters, and Analog-to-Digital
Converters (ADCs). Used in conjunction with QCT’s RFT3500™ device,
the IFR3500 device accommodates sharing of the IF LO synthesizer to
enable simplified frequency plans and reduced cost.
查询IFR3000供应商
C D M A
T E C H N O L O G I E S
C D M A T E C H N O L O G I E S
IF input
IF input
CDMA
control
AGC
GPS
H T T P : / / W W W. C D M AT E C H . C O M
5 7 7 5 M O R E H O U S E D R I V E
A = 2, 3, 4, or 6
VCO out
0
1/A
90
IFR3500
S A N D I E G O , C A 9 2 1 2 1
VCO
E N A B L I N G T H E F U T U R E O F C O M M U N I C A T I O N S
VCO tank
CDMA
CDMA
GPS
GPS
LPF
LPF
LPF
LPF
directly from the MSM device and system software. The IFR3500 device
is provided in a 32-pad BCC++ plastic package that includes an
exposed center ground slug for improved RF grounding, mechanical
strength, and thermal continuity.
As with all QCT products, the IFR3500 device features the unparalleled
customer support you have come to expect from your partner of choice
for complete wireless communications solutions. QCT is committed to
providing innovative multi-mode, multi-network chipsets, system software
and development tools that will help ensure your competitive success in
the wire-less communications marketplace for 3G and beyond.
Features
• Dual-mode operation includes CDMA and GPS
• Rx digital baseband interface compatible with MSM3100™,
• IF LO synthesizer can be shared between IFR3500 and RFT3500
• Rx power control through 90 dB dynamic range VGA
• IF mixer for down-converting IF to analog baseband for CDMA and
MSM3300™, MSM5105™, MSM5100™, and MSM5500™ devices
devices for easier frequency planning and reduced cost
GPS
TCXO
filter
tuner
Rx IF/BASEBAND PROCESSOR
T ( 8 5 8 ) 6 5 8 - 5 0 0 5
CDMA
CDMA
GPS /
GPS /
ADC
ADC
The range of supply voltage is from 2.7 V to 3.0 V,
which provides operating compatibility for platforms
utilizing a single-cell Li-Ion battery design. CDMA
and GPS mode selection, gain control, IF LO
frequency divide, and selective power-down modes
which permit optimized power savings are controlled
Mode Ctl
SBI and
Logic
F ( 8 5 8 ) 6 5 8 - 1 5 5 6
control
I offset
CHIPx8/G
Q offset
Rx data (I)
mode
Rx data (Q)
digitized
T M
digitized
cdma-technologies@qualcomm.com

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IFR3000 Summary of contents

Page 1

... CDMA IF input AGC control GPS IF input ...

Page 2

... • MSM-controlled operation via serial bus interface (SBI) • Supply voltage from 2 3.0 V • 32-pin BCC++ package ( 0.8 mm) Part Number IFR3000 IFR3300 IFR3500 IFR Selection Guide mode control ...

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