RF2461PCBA-41X 데이터 시트보기 (PDF) - RF Micro Devices
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RF2461PCBA-41X Datasheet PDF : 14 Pages
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RF2461
CDMA/FM LOW NOISE AMPLIFIER/MIXER
900MHz DOWNCONVERTER
RoHS Compliant & Pb-Free Product
Package: QFN, 20-Pin, 4x4
Features
Complete Receiver Front-End
Stepped LNA/Mixer Gain Con-
trol
Adjustable LNA/Mixer Bias
Current
Adjustable LNA/Mixer IIP3
Meets IMD Tests with Three
Gain States/Two Logic Con-
trol Lines
20
19
18
17
16
LNA GAIN 1
15 IF2+
MIX GAIN 2
14 IF2-
LNA IN 3
13 BYPASS
Applications
CDMA/FM (AMPS) Systems
Dual-Mode TACS/JCDMA Sys-
tems
General Purpose Downcon-
verter
Commercial and Consumer
Systems
Portable Battery-Powered
Equipment
VCC1 4
12 IF1+
GND1B 5
11 IF1-
6
7
8
9
10
Functional Block Diagram
Product Description
The RF2461 is a receiver front-end designed for the receive section of dual-mode
CDMA/FM cellular applications. It is designed to amplify and downconvert RF sig-
nals, while providing 30dB of stepped gain control range. Features include digital
control of LNA gain, mixer gain, and power down mode. Another feature of the chip
is adjustable IIP3 of the LNA and mixer using an off-chip current setting resistor.
Noise figure, IP3, and gain are designed to be compatible with the IS-98B interim
standard for CDMA cellular communications. The IC is manufactured on an
advanced Silicon Germanium Bi-CMOS process and is assembled in a 4mmx4mm,
20-pin, QFN package.
Ordering Information
RF2461CDMA/FM Low Noise Amplifier/Mixer 900MHz Downconverter
RF2461PCBA-41X
Fully Assembled Evaluation Board
Optimum Technology Matching® Applied
GaAs HBT
9SiGe BiCMOS
GaAs pHEMT
GaN HEMT
GaAs MESFET
Si BiCMOS
Si CMOS
InGaP HBT
SiGe HBT
Si BJT
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.
Rev B6 DS060925
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
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