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SE2547A-R Datasheet(PDF) 1 Page - SiGe Semiconductor, Inc. |
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SE2547A-R Datasheet(HTML) 1 Page - SiGe Semiconductor, Inc. |
1 / 2 page SE2547A Dual Band 802.11a/b/g/n Wireless LAN Front End Preliminary Information Applications IEEE802.11b DSSS WLAN IEEE802.11g OFDM WLAN IEEE802.11a OFDM WLAN IEEE802.11n WLAN Access Points, PCMCIA, PC cards Features 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 21 dBm O/P Power, 802.11b, 11 Mbits, ACPR = 35 dBc 18 dBm @ 3.0 % EVM, 802.11g, 54 Mbits 16.5 dBm @ 3.0 % EVM, 802.11a, 54 Mbits Single supply voltage: 3.3 V ± 10 % Lead free, RoHS compliant, Halogen free Thin lead free plated package, 5mm x 5mm x 1.0mm, LGA Package, MSL 3 Ordering Information Part No. Package Remark SE2547A 32 pin LGA Samples SE2547A-R 32 pin LGA Tape and Reel SE2547A-EK1 N/A Evaluation kit Product Description The SE2547A is a complete 802.11a/b/g/n WLAN RF front-end module providing all the functionality of the power amplifiers, filtering, power detector, Diversity switch, diplexers and associated matching. The SE2547A provides a complete 2.4 GHz and 5 GHz WLAN RF solution from the output of the transceiver to the antenna 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 SE2547A 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 0.7 μsec. The device also provides a notch filter from 3.260- 3.267 GHz and 3.28-3.89 GHz prior to the input of each 2.4 GHz and 5 GHz power amplifiers, respectively. Functional Block Diagram Diplexer ANT0 PDag Rg CTx1 CRx1 Trap Filter Trap Filter Coupler Power Detector Diplexer Ra 2.4 GHz PA 5 GHz PA ENa ENg Tg Ta Filter Filter ANT1 T/R Switch CTx0 CRx0 Figure 1: SE2547A Functional Block Diagram DST-00094 Rev 1.9 May-26-2009 1 of 2 |
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