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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
NC
NC
RF IN
NC
AC GND1
AC GND2
NC
RF OUT
NC
NC
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20
RF3866
WIDE BANDWIDTH, HIGH LINEARITY
LOW NOISE AMPLIFIER/LINEAR DRIVER
The RF3866 is a low noise amplifier with a high output IP3. The amplifier
is self-biased from a single voltage supply with 50
Ω input and output
ports. The useful frequency range is from 700MHz to 3800MHz. A 0.8dB
noise figure and 36dBm OIP3 performance is achieved with a 5V VDD,
180mA. Current can be increased to raise OIP3 while having minimal
effect on noise figure. The IC is featured in a standard QFN, 20-pin,
5mmx5mm package.
Features
Low Noise and High Intercept
Point
Adjustable Bias Current
Single 2.5V to 6.0V Power
Supply
700MHz to 3800MHz Opera-
tion
QFN20, 5mmx5mm Package
Applications
First Stage WiMAX LNA/Lin-
ear Driver
CDMA, PCS, ECS, UMTS LNA
WLAN LNA
High Gain Linear Amplifica-
tion
RF3866
Wide Bandwidth, High Linearity Low Noise Amplifier/Linear
Driver
RF3866PCK-410
Fully Assembled Evaluation Board with 5 Sample Parts
1.8GHz to 3.8GHz
RF3866PCK-411
700MHz to 1100MHz
Rev A0 DS070622
Package Style: QFN, 20-Pin, 5mmx5mm
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