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LX5551

更新时间: 2024-11-11 05:44:23
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3页 94K
描述
2.4-2.5 GHz Front-End Module with Internally Matched Power Amplifier & SPDT for 11b/g/n

LX5551 数据手册

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LX5551  
®
2.4-2.5 GHz Front-End Module with Internally  
TM  
Matched Power Amplifier & SPDT for 11b/g/n  
PRODUCTION DATA SHEET  
KEY FEATURES  
DESCRIPTION  
high-performance The Rx path of LX5551 includes a  
WLAN front-end module (FEM) for low-cost SPDT switch with excellent  
802.11b/g/n and other applications in insertion loss and isolation. It features a  
the 2.4-2.5GHz frequency range. very low Tx-to-Rx port leakage in  
LX5551 integrates an advanced receive mode.  
LX5551 is  
a
ƒ 2.4-2.5GHz 11b/g/n Front-End  
Solution in a Single 3x3mm  
MLP Package  
ƒ All RF Ports Matched to 50 Ω  
ƒ Single-Polarity 3.3V Supply  
ƒ Tx Path Power Gain ~ 27dB  
ƒ Rx Path Loss ~ 0.6dB  
InGaP/GaAs Heterojunction Bipolar  
LX5551 is available in a 16-pin,  
Transistor (HBT) power amplifier with 3x3mm micro-lead package (MLPQ-  
both input/output impedance matching, 16L). With its best-class performance  
and an InGaAs pseudomorphic HEMT and compact footprint, LX5551 offers an  
(pHEMT) switch, into a single 3x3mm ideal front-end solution for the ever  
ƒ Pout ~ +18dBm at Antenna* for  
EVM = 3%  
ƒ Total Current ~140mA for  
+18dBm with 90% Duty Cycle  
ƒ Pout > +22dBm for 11b 1Mbps  
DSSS Mask Compliance  
package.  
demanding design requirements of  
The Tx path of LX5551 features a today’s WLAN systems,  
including  
two-stage  
monolithic  
microwave 802.11b/g and the latest 11n MIMO  
ƒ Small Footprint: 3x3mm2  
ƒ Low Profile: 0.9mm  
integrated circuit (MMIC) power implementation.  
amplifier with active bias circuitry, and  
50 Ω input/output matching inside the  
package. With 3.3V supply voltage and  
90mA nominal bias current, the Tx  
path provides 27dB gain and +18dBm  
linear output power, with extremely low  
total EVM (<3%) for 64QAM/54Mbps  
OFDM. Both gain and power are  
readily measured at antenna port, with  
switch insertion loss included.  
ƒ RoHS Compliant & Pb-Free  
* Including SPDT switch loss  
APPLICATIONS  
ƒ IEEE 802.11b/g  
ƒ IEEE 802.11n MIMO  
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com  
BLOCK DIAGRAM  
Vref Vc  
Ctl1 Ctl2  
Internal  
OMN*  
TxIn  
Det  
Antenna  
RxOut  
*OMN: Output Matching Network  
Copyright © 2008  
Rev. 1.0, 2008-12-17  
Microsemi  
Analog Mixed Signal Group  
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570  
Page 1  

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