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PDF SE2571U Data sheet ( Hoja de datos )
| Número de pieza | SE2571U | |
| Descripción | 2.4 GHz High Efficiency Wireless LAN/BT Front End | |
| Fabricantes | SiGe Semiconductor | |
| Logotipo |  |
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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)
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
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 Ω 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 μs typical.
Functional Block Diagram
BT
RX
V CC1
TX
VCC3
4
1
2
3
VCC1
VCC2
4 CBTR
ANT
1 CBTB
2 CRX
3 CTX
DET LEN PEN
Figure 1: Functional Block Diagram
DST-00172 Rev 2.1 Sept-29-2009
1 of 14
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| PDF Descargar | [ Datasheet SE2571U.PDF ] | |
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