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Freescale Semiconductor Electronic Components Datasheet



MC13821

Low Noise Amplifier



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MC13821 pdf
Freescale Semiconductor
Data Sheet: Technical Data
Document Number: MC13821
Rev. 1.5, 09/2009
MC13821
MC13821
Low Noisewww.DataSheet4U.com Amplifier with Bypass
Switch
Package Information
Plastic Package
Case 1345
(QFN–12)
Ordering Information
Device
MC13821
Device Marking or
Operating
Temperature Range
821
Package
QFN-12
1 Introduction
The MC13821 is a high gain LNA with extremely low
noise figure, designed for cellular, GPS and ISM band
applications. An integrated bypass switch is included to
preserve input intercept performance. The input and
output match are external to allow maximum design
flexibility. The MC13821 is fabricated using Freescale's
advanced RF BiCMOS process using the SiGe:C option
and is packaged in the QFN-12 leadless package.
Contents:
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Electrical Specifications . . . . . . . . . . . . . . . . 3
3 Application Information . . . . . . . . . . . . . . . . 10
4 Printed Circuit Board . . . . . . . . . . . . . . . . . . 28
5 Scattering Parameters . . . . . . . . . . . . . . . . . 32
6 Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
7 Reference Documentation . . . . . . . . . . . . . . 42
8 Revision History . . . . . . . . . . . . . . . . . . . . . . 42
1.1 Features
• RF Input Frequency: 1000 MHz to 2.4 GHz
• Gain: 16.4 dB (typ) at 1960 MHz and 15.7 dB
(typ) at 2140 MHz
• Output 3rd Order Intercept Point (OIP3): 17.4
dBm (typ) at 1960 MHz and 19.7 dBm (typ) at
2140 MHz
• Noise Figure (NF): 1.25 dB (typ) at 1960 MHz
and 1.3 dB (typ) at 2140 MHz
• 1dB Compression Point (P1dB): -6 dBm (typ) at
1960 MHz and -5 dBm (typ) at 2140 MHz
This document contains information on a new product. Specifications and information herein are subject to change without notice.
© Freescale Semiconductor, Inc., 2005–2009. All rights reserved.



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MC13821 pdf
Introduction
• Freescale’s IP3 Boost Circuitry
• Bypass Mode Included for Improved Intercept Point Performance
• Total Supply Current:
2.8 mA @ 2.7 Vdc
10 µA (typ) in Bypass Mode
• Bias Stabilized for Device and Temperature Variations
• QFN-12 Leadless Package with Low Parasitics
• SiGe Technology Ensures Lowest Possible Noise Figure
www.DataSheet4U.com
NC 1
VCC1 2
LNA
Out
3
NC NC
12 11
NC
10
MC13821
9 Gnd
Logic
8 Gain
7 Enable
456
Rbias
Emit
Gnd
LNA
In
Figure 1. Simplified Block Diagram
MC13821 Data Sheet: Technical Data, Rev. 1.5
2 Freescale Semiconductor



Part Number MC13821
Description Low Noise Amplifier
Maker Freescale Semiconductor - Freescale Semiconductor
Total Page 30 Pages
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