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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
4
VOUTB
3
VOUT
2
GND
1
VCC
8VCC
7VIN
6VINB
5VAGC
Biasing &
AGC
Control
RF3330
IF GAIN CONTROLLED AMPLIFIER
The RF3330 is a gain-controlled amplifier suitable for application in the IF receive
section of a cable tuner. It consists of a high impedance differential input stage, a
low impedance differential output stage, and a differential gain-controlled amplifier.
The voltage gain may be varied by applying an analog control voltage. The device is
fabricated on an advanced Bi-CMOS process, and is housed in an eight-lead SOT23
package.
Features
Single 5V Positive Power Sup-
ply
26dB Gain Range
150MHz Bandwidth
Compact Package
Applications
CATV Set-Top Boxes
Cable Modems
Cable-Ready TVs
RF3330
IF Gain Controlled Amplifier
RF3330PCBA-41X
Fully Assembled Evaluation Board - 75
Ω
RF3330PCBA-41X
Fully Assembled Evaluation Board - 50
Ω
Rev A4 DS060908
RF3330IF
Gain Con-
trolled Ampli-
fier
RoHS Compliant & Pb-Free Product
Package Style: SOT23-8
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