SE2521A80-EK1 SIGE [SiGe Semiconductor, Inc.], SE2521A80-EK1 Datasheet
SE2521A80-EK1
Manufacturer Part Number
SE2521A80-EK1
Description
2.4 GHz Wireless LAN Front End Preliminary
Manufacturer
SIGE [SiGe Semiconductor, Inc.]
Datasheet
1.SE2521A80-EK1.pdf
(2 pages)
Applications
Features
Ordering Information
Functional Block Diagram
132-DST-01 Rev 1.3 May-26-2009
SE2521A80-EK1
SE2521A80-R
Part Number
SE2521A80
IEEE802.11b DSSS WLAN
IEEE802.11g OFDM WLAN
Access Points, PCMCIA, PC cards
Dual Mode IEEE802.11b & IEEE802.11g
All RF ports matched to 50 Ω
Integrated PA, TX Filter, DPDT T/R and Diversity
switches
Integrated Power Detector
20 dBm @ 3.0 % EVM, 802.11g, 54 Mbits
20 dBm, 802.11b, ACPR = -37 dBr, 11 Mbits
Single supply voltage: 3.3 V ± 10 %
Small lead free package, 8 mm x 7 mm x 1.2
mm, MSL 3
PD_OUT
RX
TX
TX
OUT
EN
IN
50 Ohm
Match
24 pin LGA
24 pin LGA
Package
Notch
Filter
N/A
Detector
Bias Circuitry
Power
Tape and Reel
Figure 1: Functional Block Diagram
Evaluation kit
Samples
Remark
V
CC
50 Ohm
Match
QA040506
V
CC3
Product Description
The SE2521A80 is a complete 802.11 b/g WLAN RF
front-end module providing all the functionality of the
power amplifier, power detector, T/R switch, diversity
switch and associated matching. The SE2521A80
provides a complete 2.4 GHz WLAN 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 SE2521A80 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 1 μsec typical.
The SE2521A80 is pin for pin compatible to SiGe’s
SE2521A34 for easy transition of medium power
designs to higher power designs.
The device also provides a notch filter from 3.2-3.3
GHz prior to the input of the power amplifier.
OMN + LPF
50 Ohm
2.4 GHz Wireless LAN Front End
Switch
Control
Switch
SE2521A80
ANT_A (50 Ohm)
ANT_B (50 Ohm)
C1
C2
C3
C4
Preliminary
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SE2521A80-EK1 Summary of contents
Page 1
... EVM, 802.11g, 54 Mbits 20 dBm, 802.11b, ACPR = -37 dBr, 11 Mbits Single supply voltage: 3.3 V ± Small lead free package 1.2 mm, MSL 3 Ordering Information Part Number Package SE2521A80 24 pin LGA SE2521A80-R 24 pin LGA SE2521A80-EK1 N/A Functional Block Diagram Ohm Notch TX IN Match Filter PD_OUT ...
Page 2
... San Diego Phone: +1 858 668 3541 (ext. 226) Fax: United Kingdom Phone: +44 1279 464217 Fax: This publication supersedes and replaces all information previously supplied. QA040506 SE2521A80 2.4 GHz Wireless LAN Front End Preliminary +852 3579 5450 +1 858 668 3546 +44 1279 464201 SiGe ...