se2559l20 2.4 ghz high efficiency wireless lan front end preliminary applications ? ieee802.11b dsss wlan ? ieee802.11g ofdm wlan ? access points, pcmcia, pc cards features ? dual mode ieee802.11b & ieee802.11g ? integrated pa, tx filter, dpdt t/r and diversity switches ? integrated negative slope power detector ? 21 dbm output power, 802.11b, 11 mbits, acpr <-30 dbc ? 18 dbm @ 3.0 % evm, 802.11g, 54 mbits ? single supply voltage: 3.3 v 10 % ? lead free, halogen free and rohs compliant ? small lead free, plated package, 4 mm x 5 mm x 0.9 mm, msl 1 ordering information part no. package remark se2559l20 22 pin qfn samples se2559l20-r 22 pin qfn tape & reel SE2559L20-EK1 n/a evaluation kit product description the se2559l20 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 se2559l20 provides a complete 2.4 ghz wlan rf solution from the output of the transceiver to the antennas in an ultra compact form factor. the se2559l20 is designed for ease of use, with all the critical matching and har monic filtering integrated, offering a simple 50 ? interface to the antenna. the se2559l20 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. the device also provides a 3.2?3.3 ghz notch filter prior to the input of the power amplifier. functional block diagram bias circuitry power detector ant_b c1 pd_out txen 50 ohm match rx out switch control c3 c2 c4 50 ohm match 50 ohm match 50 ohm match filter tx rf ant_a omn lpf v cc figure 1: functional block diagram dst-00057 ? rev 1.9 ? may-26-2009 1 of 2
se2559l20 2.4 ghz high efficiency wireless lan front end preliminary http://www.sige.com email: sales@sige.com customer service locations: north america: hong kong 1050 morrison drive, suite 100 phone: +852 3428 7222 ottawa on k2h 8k7 canada fax: +852 3579 5450 phone: +1 613 820 9244 san diego fax: +1 613 820 4933 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 semic onductor, inc. reserves the right to chang e information at any time without notification. preliminary information the datasheet contains information from the design target specification. sige semiconductor, inc. re serves the ri ght 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. as sumes no responsibility or liability for the direct or indirect consequences of use of such information nor for any infringement of p atents or other rights of third parties, which may result from its use. no license or indemnity is granted by implication or otherwise u nder any patent or other intellectual property rights of sige semiconductor, inc. or third parties. specifications mentioned in this pu blication are subject to change without notice. this publication supersedes and replaces all in formation previously supplied. sige semiconductor, inc. products are not authori zed 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-00057 ? rev 1.9 ? may-26-2009 2 of 2
|
