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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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PACKAGE BASE
GND
Bias
Circuit
VREF
NC
RFIN
NC
VBIAS
NC
RFOUT/VCC
RFOUT/VCC
RF3809
GaAs HBT PRE-DRIVER AMPLIFIER
The RF3809 is a GaAs pre-driver power amplifier, specifically designed for wireless
infrastructure applications. Using a highly reliable GaAs HBT fabrication process,
this high-performance single-stage amplifier achieves high output power over a
broad frequency range. The RF3809 also provides excellent efficiency and thermal
stability through the use of a thermally-enhanced surface-mount plastic-slug pack-
age. Ease of integration is accomplished through the incorporation of an optimized
evaluation board design provided to achieve proper 50
Ω operation. Various evalua-
tion boards are available to address a broad range of wireless infrastructure appli-
cations:
NMT
450MHz;
GSM850MHz;
GSM900MHz;
DCS1800MHz;
PCS1900MHz; and, UMTS2200MHz.
Features
High Output Power of 2.0W P1dB
High Linearity
High Power-Added Efficiency
Thermally-Enhanced Packaging
Broadband Platform Design
Approach, 450MHz to 2500MHz
Applications
GaAs Pre-Driver for Basestation
Amplifiers
PA Stage for Commercial Wire-
less Infrastructure
Class AB Operation for NMT,
GSM, DCS, PCS, and UMTS
Transceiver Applications
2nd/3rd Stage LNA for Wireless
Infrastructure
RF3809
GaAs HBT Pre-Driver Amplifier
RF3809PCK-410
Fully Assembled Evaluation Board, 450MHz
RF3809PCK-411
Fully Assembled Evaluation Board, 869MHz to 894MHz
RF3809PCK-412
Fully Assembled Evaluation Board, 920MHz to 960MHz
RF3809PCK-413
Fully Assembled Evaluation Board, 1800MHz to 1880MHz
RF3809PCK-414
Fully Assembled Evaluation Board, 1930MHz to 1990MHz
RF3809PCK-415
Fully Assembled Evaluation Board, UMTS
Rev A4 DS080221
RF3809GaAs
HBT Pre-Driver
Amplifier
RoHS Compliant & Pb-Free Product
Package Style: SOIC-8
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