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SE2571U
2.4 GHz High Efficiency Wireless LAN/BT Front End Preliminary
Applications
IEEE802.11b DSSS WLAN IEEE802.11g,n OFDM WLAN Embedded applications with Bluetooth (Mobile)
Product Description
The SE2571U is a complete 802.11 b/g/n WLAN RF front-end module with a Bluetooth port. The device provides all the functionality of the power amplifier, power detector, filter, Switch, Low Noise Amplifier and associated matching. The SE2571U provides a complete 2.4 GHz WLAN RF solution from the output of the transceiver to the antennas, and from the antennas to the input of the transceiver, in an ultra compact form factor. The SE2571U is designed for ease of use, with all the critical matching and harmonic filtering integrated, also offering a simple 50 interface to the antenna. The SE2571U includes a low noise amplifier to increase the receive sensitivity of embedded solutions to improve range or to overcome the insertion loss of cellular filters often included for mobile applications. The SE2571U also includes a transmitter power detector with 20 dB of dynamic range and a digital enable control for transmitter power ramp on/off control. The power ramp rise/fall time is 0.5 s typical.
Features
Dual Mode IEEE802.11b & IEEE802.11g Integrated PA, Harmonic Filter, LNA and BT port Integrated Positive Slope Power Detector 20 dBm Output Power, 802.11b, 11 Mb/s, ACPR <-30 dBc 19 dBm @ 4.0 % EVM, 802.11g, 54 Mb/s Direct connection to battery with 3.3 V nominal supply Lead free, Halogen free and RoHS compliant Compact package, 3 x 3 x 0.5 mm, MSL 1
Ordering Information
Part No. SE2571U SE2571U-R SE2571U-EK1 Package 20 pin QFN 20 pin QFN N/A Remark Samples Tape and Reel Evaluation kit
Functional Block Diagram
BT
4 VCC3 4 1 2
CBTR
RX
VCC1 VCC1 VCC2
ANT
3
1 2
CBTB CRX CTX
TX
3
DET
LEN
PEN
Figure 1: Functional Block Diagram
DST-00172
Rev 2.1
Sept-29-2009
1 of 14
SE2571U
2.4 GHz High Efficiency Wireless LAN/BT Front End Preliminary
http://www.sige.com Email: sales@sige.com
Customer Service Locations: North America: 1050 Morrison Drive, Suite 100 Ottawa ON K2H 8K7 Canada Phone: +1 613 820 9244 Fax: +1 613 820 4933 Hong Kong Phone: +852 3428 7222 Fax: +852 3579 5450 San Diego Phone: +1 858 668 3541 (ext. 226) Fax: +1 858 668 3546 United Kingdom Phone: +44 1279 464217 Fax: +44 1279 464201
Product Preview The datasheet contains information from the product concept specification. SiGe Semiconductor, Inc. reserves the right to change information at any time without notification. Preliminary Information The datasheet contains information from the design target specification. SiGe Semiconductor, Inc. reserves the right to change information at any time without notification. Production testing may not include testing of all parameters. Information furnished is believed to be accurate and reliable and is provided on an "as is" basis. SiGe Semiconductor, Inc. assumes no responsibility or liability for the direct or indirect consequences of use of such information nor for any infringement of patents or other rights of third parties, which may result from its use. No license or indemnity is granted by implication or otherwise under any patent or other intellectual property rights of SiGe Semiconductor, Inc. or third parties. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SiGe Semiconductor, Inc. products are NOT authorized for use in implantation or life support applications or systems without express written approval from SiGe Semiconductor, Inc. Copyright 2009 SiGe Semiconductor, Inc. All Rights Reserved
DST-00172
Rev 2.1
Sept-29-2009
14 of 14

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