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Optimum Technology Matching® Applied
GaAs HBT
InGaP HBT
GaAs MESFET
SiGe BiCMOS
Si BiCMOS
SiGe HBT
GaAs pHEMT
Si CMOS
Si BJT
GaN HEMT
Functional Block Diagram
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.
Product Description
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
Ordering Information
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2
3
6
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VCC
GND
RF IN
RF OUT
GND
GC
ATT
ATT
RF2381
PCS/CELLULAR TDMA/CDMA/W-CDMA
LINEAR VARIABLE GAIN AMPLIFIER
The RF2381 is a linear variable gain amplifier suitable for use in TDMA
and CDMA systems in the cellular or PCS band and for W-CDMA systems.
The features of this device include linear gain control, high gain, and high
linearity. The IC is manufactured on an advanced Gallium Arsenide Hetero-
junction Bipolar Transistor (GaAs HBT) process and is featured in an indus-
try-standard miniature 6-lead plastic SOT package.
Features
50dB Linear Gain Control
Range
22dB Maximum Gain
Single 2.7V to 3.3V Supply
35mA Supply Current
High Linearity
Applications
CDMA PCS/Cellular Handsets
TDMA PCS/Cellular Handsets
W-CDMA Handsets
RF2381
PCS/Cellular TDMA/CDMA/W-CDMA Linear Variable Gain
Amplifier
RF2381PCBA-41X
Fully Assembled Evaluation Board
Rev A2 DS060907
RF2381
PCS/Cellular
TDMA/CDMA/
W-CDMA Lin-
ear Variable
Gain Amplifier
RoHS Compliant & Pb-Free Product
Package Style: SOT23-6
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