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RF Micro Devices - CDMA LOW NOISE AMPLIFIER/MIXER 900MHz DOWNCONVERTER

Numéro de référence RF2861
Description CDMA LOW NOISE AMPLIFIER/MIXER 900MHz DOWNCONVERTER
Fabricant RF Micro Devices 
Logo RF Micro Devices 





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RF2861 fiche technique
RF2861CDMA
Low Noise
Ampli-
fier/Mixer
900MHz
Downcon-
verter
RF2861
CDMA LOW NOISE AMPLIFIER/MIXER
900MHz DOWNCONVERTER
Package Style: QFN, 16-pin, 3mm x 3mm
Features
3mm x 3mm LNA/Mixer
Solution
Adjustable LNA and Mixer
Current/IIP3
Meets IMD Tests with Three
Gain States/Two Logic
Control Pins
Integrated TX LO Buffer
Amplifier
Full ESD Protection on all Pins
Applications
CDMA/JCDMA Cellular
Systems
CDMA450 Handsets/Data
Cards
AMPS Cellular Systems
General Purpose LNA and
Downconverter
Commercial and Consumer
Systems
Portable Battery-Powered
Equipment
16 15 14 13
G2 1
12 LO IN
LNA IN 2
11 GND
LNA EMITTER 3
10 IF OUT-
LNA OUT 4
9 IF OUT+
5678
Functional Block Diagram
Product Description
The RF2861 is a receiver front-end for CDMA cellular applications, includ-
ing JCDMA and CDMA450. It is designed to amplify and downconvert RF
signals, using a three gain state LNA to obtain 17dB of stepped gain con-
trol. Features include digital control of LNA gain and power down mode,
along with an integrated TX LO buffer amplifier. Another feature of the chip
is adjustable IIP3 of the LNA and mixer using off-chip current setting resis-
tors to allow for minimum DC current consumption. Noise figure, IIP3, and
other specs are designed to be compatible with the TIA/EIA 98D standard
for CDMA cellular communications. The IC is manufactured on an
advanced Silicon Germanium Bi-CMOS process and is in a 3mm x 3mm,
16-pin, QFN.
Ordering Information
RF2861SQ
RF2861SR
RF2861TR7
RF2861PCK-410
Sample bag with 25 pieces
7" Reel with 100 pieces
7" Reel with 2500 pieces
460MHz to 900MHz PCBA with 5-piece sample bag
DS120220
Optimum Technology Matching® Applied
GaAs HBT
SiGe BiCMOS
GaAs pHEMT
GaN HEMT
GaAs MESFET
Si BiCMOS
Si CMOS
BiFET HBT
InGaP HBT
SiGe HBT
Si BJT
LDMOS
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-
mark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2006, RF Micro Devices, Inc.
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected].
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