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Optimum Technology Matching® Applied
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InGaP HBT
GaAs MESFET
SiGe BiCMOS
Si BiCMOS
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Si CMOS
Si BJT
GaN HEMT
Functional Block Diagram
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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
RF IN
RF OUT
GND
NC
NC
NC
NC
NC
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RF3827
LINEAR GENERAL PURPOSE AMPLIFIER
The RF3827 is a general purpose, low-cost, high-linearity RF amplifier IC.
The device is manufactured on a Gallium Arsenide process and is featured
in a 3mmx3mm, 16-pin, QFN package. It has been designed for use as an
easily cascadable 75
Ω gain block with a noise figure of less than 2dB.
Gain flatness better than 0.5dB from 5MHz to 1000MHz, and high linear-
ity make this part ideal for cable TV applications. Other applications
include IF and RF amplification in wireless voice and data communication
products operating in frequency bands up to 1000MHz. The device is self-
contained with 75
Ω input and output impedances providing less than 2:1
VSWR matching. For higher input and output return losses, see the evalu-
ation schematic.
Features
5MHz to 1500MHz Operation
Internally Matched Input and
Output
20dB Small Signal Gain
1.2dB Noise Figure
+24dBm Output Power
Single 5V to 9V Positive
Power Supply
Applications
CATV Distribution Amplifiers
Cable Modems
Broadband Gain Blocks
Laser Diode Driver
Return Channel Amplifier
Base Stations
RF3827
Linear General Purpose Amplifier
RF3827 PCBA
Fully Assembled Evaluation Board 50
Ω
Rev A1 DS071220
RoHS Compliant & Pb-Free Product
Package Style: QFN, 16-Pin, 3mmx3mm
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