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| HFA3421 Datasheet, PDF (1/3 Pages) Intersil Corporation – 1.7GHz - 2.3GHz Low Noise Amplifier | |||
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TM
Data Sheet
HFA3421
September 1997 File Number 4288.1
1.7GHz - 2.3GHz Low Noise Ampliï¬er
The Intersil HFA3421 PRISM® is a high
performance low noise ampliï¬er in a
low cost SOIC 8 lead surface mount
plastic package. The HFA3421 employs
a fully monolithic design which
eliminates the need for external tuning networks. It can be
biased using 3V or 5V supplies and has an option for biasing
at higher currents for increased dynamic range.
The HFA3421 is ideally suited for use where low noise
ï¬gure, high gain, high dynamic range and low power
consumption are required. Typical applications include
receiver front ends in the Wireless Local Loop (WLL)
systems, as well as standard gain blocks, buffer amps, driver
amps and IF amps in both ï¬xed and portable systems.
Ordering Information
PART NUMBER
HFA3421IB
HFA3421IB96
TEMP.
RANGE (oC)
PACKAGE
-40 to 85 8 Ld SOIC
-40 to 85 Tape and Reel
PKG.
NO.
M8.15
Pinout
HFA3421
(SOIC)
TOP VIEW
GND 1
VBIAS 2
RF IN 3
GND 4
8 GND
7 VDD
6 RF OUT
5 GND
Features
⢠Low Noise Figure . . . . . . . . . . . . . . . . . . . . . . . . . . 1.65dB
⢠High Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20dB
⢠Low Power Consumption . . . . . . . . . . . . . . 3V to 5V, 8mA
⢠High Dynamic Range
⢠DC Decoupled RF Input and Output
⢠No External RF Tuning Elements Necessary
⢠Low Cost SOIC 8 Lead Plastic Package
Applications
⢠Wireless Local Loop
⢠TDD Quadrature-Modulated Communication Systems
⢠Wireless Local Area Networks
⢠PCMCIA Wireless Transceivers
⢠TDMA Packet Protocol Radio
⢠PCS/Wireless PBX
Functional Block Diagram
VDD
RF OUT
LNA 1
EXTENDED RF IN
BIAS
2-1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil and Design is a trademark of Intersil Corporation. | Copyright © Intersil Corporation 2000
PRISM® is a registered trademark of Intersil Corporation. PRISM logo is a trademark of Intersil Corporation.
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