SE2545A23
Dual Band 802.11n Wireless LAN Front End
Preliminary Information
Applications
802.11n, MIMO solutions
IEEE802.11b DSSS WLAN
IEEE802.11g OFDM WLAN
IEEE802.11a OFDM WLAN
Access Points, PCMCIA, PC cards
Product Description
The SE2545A23 is a complete 802.11n WLAN RF
front-end module providing all the functionality of the
power amplifiers, power detector, T/R switch,
diplexers and associated matching. The SE2545A23
provides a complete 2.4 GHz and 5 GHz WLAN
Multiple Input, Multiple Output (MIMO) RF solution
from the output of the transceiver to the antennas in
an ultra compact form factor.
Designed for ease of use, all RF ports are matched to
50
Ω
to simplify PCB layout and the interface to the
transceiver RFIC. The SE2545A23 also includes a
transmitter power detector for each band and transmit
chain with 20 dB of dynamic range for each transmit
chain. Each transmit chain has a separate digital
enable control for transmitter power ramp on/off
control. The power ramp rise/fall time is less than 0.5
μsec.
The device also provides a notch filter from 3.2-3.3
GHz and 3.2-3.9 GHz prior to the input of each 2.4
GHz and 5 GHz power amplifiers, respectively.
Features
2 Transmit and 2 receive path architecture
All RF ports matched to 50
Ω
Integrated 2.4 GHz PA, 5 GHz PA, TX Filter, T/R
switches and diplexers
Integrated Power Detector for each TX Chain
18 dBm O/P Power, 802.11b, 11 Mbits, ACPR =
32 dBc
18 dBm @ 3.0 % EVM, 802.11g, 54 Mbits
15 dBm @ 3.0 % EVM, 802.11a, 54 Mbits
Single supply voltage: 3.3 V ± 10 %
Lead free and RoHS compliant
Thin lead free plated package, 10 mm x 14 mm x
1.1 mm, MSL 3
Ordering Information
Part No.
SE2545A23
SE2545A23-R
SE2545A23-EK1
Package
48 pin LGA
48 pin LGA
N/A
Remark
Samples
Tape & Reel
Evaluation kit
Functional Block Diagram
PU0a
PU0g
RX0ag
TX0ag
PD0ag
ROg
Diplexor
ROa
T/R
Switch
A0
TOg
Trap
Filter
2.4 GHz
PA
Power Detector
TOa
Trap
Filter
5 GHz
PA
Diplexer
Coupler
T1a
Trap
Filter
5 GHz
PA
Coupler
Power Detector
Diplexer
T1g
Trap
Filter
2.4 GHz
PA
R1a
R1g
Diplexor
T/R
Switch
A1
PU1a
PU1g
PD1ag
RX1ag TX1ag
Figure 1: Functional Block Diagram
218-DST-01
Rev 1.4
May-26-2009
1 of 2
SE2545A23
Dual Band 802.11n Wireless LAN Front End
Preliminary Information
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
218-DST-01
Rev 1.4
May-26-2009
2 of 2
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