skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 103154c ? skyworks proprietary and confiden tial information ? products and produc t information are subject to change witho ut notice ? november 29, 2004 1 product summary SKY74088: spr? module for tri-band gsm and gprs handset applications applications ? egsm900, dcs1800, and pcs1900 cellular handsets encompassing: ? class 4 egsm900 ? class 1 dcs1800 ? class 1 pcs1900 ? gprs class 10 handsets and modules features ? fully integrated transceiver, pa, pa control circuitry, antenna switch, diplexer, transmit harmonic filters, and saw filters ? low external component count. requires only one external crystal and two low-cost capacitors ? integrated dcoc sequencer ? single integrated, fully programmable fractional-n synthesizer suitable for multi-slot gprs operation ? integrated crystal oscillator circuitry ? meets am suppression requirements ? low power standby mode ? gold plated, lead-free contacts ? compact, 40-pin 13 x 13 x 1.8 mm laminate mcm package description the SKY74088 spr? module combines all of the circuitry required to design a tri-band egsm900, dcs1800, and pcs1900 radio into the worlds smallest single package module. this small package is approximately one-third the size of alternative radio solutions and uses skyworks low cost, multi-layer laminate substrate technology. the SKY74088 can save handset designers significant space and design-cycle time while providing a roadmap for future multi-band and 3g applications. the spr module contains skyworks certified full type approval (fta), single-chip bicmos direct conversion transceiver technology. direct conversion architecture eliminates costly intermediate frequency (if) conversion steps while reducing the number of components required to support multi-band global system for mobile communications /general packet radio service (gsm/gprs) handsets. agile channel switching enables support of gprs multi-slot operations. translation loop architecture is used in the transmit path. transmit loop filters and all supporting circuitry are also integrated in the spr module. impedance matching for the 50 ? antenna port, i/o bias control circuitry, and dc blocking circuitry are integrated into the module. two separate heterojunction bipolar transistor (hbt) power amplifier (pa) blocks are fabricated on a single gallium arsenide (gaas) die to provide maximum performance with the smallest possible footprint. optimized for lithium ion battery operation, both pa blocks share common power supply pins. a custom cmos integrated circuit provides the internal interface to the pa. the cmos pa controller die also provides the antenna switch decoding functionality. transmit low pass circuitry designed to filter out signal harmonics, a diplexer, and three receive surface acoustic wave (saw) filters are also integrated in the radio module. the front-end radio circuitry uses two of skyworks high performance, low current consumption pseudomorphic high electron mobility transistor ( phemt) switches: one single pole double throw (spdt) gaas switch, and one single pole triple throw (sptt) gaas switch. the switches typically draw less than 10 a of current during operation and are designed for low insertion loss and high linearity performance. electrostatic discharge (esd) protection circuitry is integrated into the spr module and ensures the modules ruggedness under extreme conditions. a functional block diagram of the SKY74088 is shown in figure 1.
product summary ? SKY74088 skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@sk yworksinc.com ? www.skyworksinc.com 2 103154c ? skyworks proprietary and confiden tial information ? produc ts and product information ar e subject to change witho ut notice ? november 29, 2004 900mhz saw filters 1800mhz 3 txi txq rxi rxq 900 mhz ? + 1800/1900 mhz delta sigma pll dcoc3 dcoc2 dcoc1 dcoc timer control registers xtal_tune xtal_buf low band high band dfc 3-wire bus discrete control lines bb_apc x 2 / d1 / d2 1900mhz s089 dfc figure 1. SKY74088 spr module functional block diagram ordering information model name manufacturing part number product revision SKY74088 tri-band spr module SKY74088-11 copyright ? 2003, 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 for a particular purpos e, merchantability, performance, 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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