skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 103224b ? skyworks proprietary and confiden tial information ? produc ts and product information ar e subject to change witho ut notice ? november 29, 2004 1 product summary quad-band integrated subsystem for gsm, gprs, and edge handset applications applications ? gsm850, egsm900, dcs1800, and pcs1900 handsets ? gprs handsets and modules ? edge receive handsets and modules features ? direct down-conversion transceiver eliminates the external image reject/if filters ? high performance, quad-band pa with current sensing power control ? integrated pa and switch functions ? high efficiency ? closed loop ipac? or open loop operation with external pa controller ? high linearity transmit/receive switches ? integrated ldo voltage regulators for direct connection to battery ? gain selectable in 2 db steps ? integrated receive baseband filtering with programmable bandwidth ? single integrated, fully programmable fractional-n synthesizer suitable for multi-slot egprs operation ? low power standby mode ? separate enable lines for transmit, receive, and synthesizer ? four, fully programmable gpos to control any antenna switch module ? low external component count skyworks offers lead (pb)-free environmentally friendly packaging that is rohs compliant (european parliament for the restriction of hazardous substances). description skyworks quad-band integrated subsystem combines a direct conversion transceiver (SKY74117) with an integrated power amplifier control (ipac?) front-end module (sky77500). together, these devices provide a complete, integrated solution with an extremely compact footprint (<250 mm 2 ). the quad-band rf subsystem supports gsm850, egsm900, dcs1800, and pcs1900 cellular data service applications. the SKY74117 is based on skyworks industry-leading, single- chip dcr? technology. this device consists of a direct conversion transceiver, a transmitter with an integrated voltage controlled oscillator (vco), and a fully integrated fractional-n synthesizer. the SKY74117 is packaged in a pb-free 40-pin, 6 x 6 mm rf land grid array (rflga?) package. the sky77500 incorporates separate gsm850/900 and dcs1800/pcs1900 pa blocks that share a common power supply input for current distribution. impedance-matching circuitry for 50 ? input/output and a pa bias control block are also incorporated. internal decoder circuitry controls the rf switches and provides a low current external control interface. the sky77500 is packaged in a 32-pin, 8 x 10 mm multi-chip module (mcm) package. the quad-band rf subsystem can be combined with virtually any standard gsm, gprs, or edge baseband without requiring any special processing interfaces. the subsystem uses a translation loop transmit architecture to perform frequency up-conversion with high output spectral purity. the sigma-delta, fractional-n synthesizer reference frequency is supplied by an integrated voltage controlled crystal oscillator (vcxo) circuit that enables the use of a low cost crystal. the subsystem also supports class 12 egprs multi-slot operation. a block diagram of the quad-band rf subsystem is shown in figure 1.
product summary ? quad-band rf subsystem skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 2 november 29, 2004 ? skyworks proprietary and confidential information ? pr oducts and product inform ation are subject to ch ange without notice ? 103224b s349 lo dcs1800 receive pcs1900 receive egsm900 receive gsm850 receive translational loop baseband processor i q SKY74117 sky77500 figure 1. quad-band rf subsystem functional block diagram ordering information model name manufacturing part number product revision quad-band gsm rf subsystem: SKY74117 rf transceiver sky77500 ipac? pa front-end module SKY74117-xx (pb-free package) sky77500-xx copyright ? 2004 skyworks solutions, inc. all rights reserved. information in this document is provided in connection with skyw orks solutions, inc. (skywork s) products. these materials are provided by skyworks as a serv ice to its customers and may be used for informational purposes only by the customer. skyworks assumes no responsibilit y for errors or omissions in these mater ials. skyworks may make changes to its documentation, products, specifications and product descriptions at any time, without notice. skyworks makes no commitment to update the information and shall have no responsibilit y whatsoever for conflicts, incompatibilities, or other difficulties aris ing from future changes to its documentat ion, products, specif ications and product descriptions. no license, express or implied, by estoppel or otherwise, to an y intellectual property rights is granted by or under this docum ent. except as may be provided in skyworks terms and conditions of sale for such products, skyworks assumes no liability whatsoever in association with its documentation, products, specification s and product descriptions. these materials are provided as is without warranty of any ki nd, either express or implied or otherwise, relating to sale and /or use of skyworks products including warranties relating to fitness fo r a particular purpose, merchantability, pe rformance, quality or non-infringement of any patent, copyright or other intellectual property right. skyworks further does not warrant the accuracy or completeness of the information, text, graphics or other items contained within these materials. skyworks shall not be liable for any damages, in cluding special, indirect, inci dental, or consequential damage s, including without limitation, lost revenues or lost profits that may result from the use of these materials whether or not the recipien t of materials has been adv ised of the possibility of such damage. skyworks products are no t intended for use in medical, lifesaving or life-su staining applications. skyw orks customers using or selling skyworks products for use in such applications do so at their own risk and agree to fully indemnify skyworks for an y damages resulting from such improper use or sale. the following are trademarks of skyworks solutions, inc.: skyworks?, the skyw orks logo, and breakthro ugh simplicity?. product n ames or services listed in this publication are for identification purposes only, and may be trademarks of skyw orks or other third parties. third-party br ands and names are the property of their respective owners. addition al information, posted at www.skyworksinc.com, is incorporated by reference.
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