skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 203560d ? skyworks proprietary information ? products and product information are subject t o change without notice. ? february 8 , 2016 1 product summary sky 7 7928 - 11 skylite ? t x - rx f ront - e nd m odule for quad - band gsm / gprs / edge w / 16 linear trx switch ports C dual - band td - scdma , tdd lte band 39 C dual antenna applications ? cellular handsets encompassing quad - band gsm/edge , dual - band td - scdma , and tdd lte - class 4 gsm850/900 - class 1 dcs1800 / pcs1900 - class 12 gprs multi - slot operation - linear edge operation - td - scdma bands 34/39 - tdd lte band 39 ? carrier aggregation (ca) with dual antenna features ? small, low profile package - 5. 5 mm x 5. 5 mm x 0. 8 mm max . - 44- pad configuration ? mipi ? rffe control ? rf ports internally matched to 50 w/ zero dc offset ? high gmsk efficiency (inclusive of coupler and diplexer ) - 3 4 % gsm850 3 4 % dcs1800 - 3 4 % gsm900 3 4 % pcs1900 ? tx harmonics below C 40 dbm ? supports apt, buck dc - dc supply ? 1 6 low loss /high linearity /high isolation trx switch ports with excellent cross - band flexibility ? three directional couplers: lb/mb/hb ? downlink inter - band ca support with l+m/h diplexer and separate hb switch/ antenna with ultra - low loss and superb linearity ? n oise suppression notch filter for wifi coexistence ? built - in iec - compliant antenna esd protection ? high impedance control inputs and low standby current ? current limiting and ov ervoltage ruggedness ? power control circuitry built - in for improved trp variation description the sky7 7928- 11 skylite ? tx - rx front - end module (fem) offers a complete power amplifier (pa) and switching solution for advanced 2g/3g/4g cellular handsets with dual antenna . two pas support quad - band gsm, gprs, edge multi - slot operation and td - scdma and tdd lte transmission. the low band (lb) pa transmits in the gsm850/900 bands. the mid - band (mb) pa covers dcs1800, pcs1900, td - scdma bands 34/39, and tdd lt e band 39. the fem facilitates flexible broadband rf switch - through by means of 16 transmit/ receive (trx) antenna switch ports covering all 3g/4g bands from 700 mhz through 2300 - 2700 mhz. in support of downlink inter - band carrier aggregation (ca), the trx ports are partitioned into three independent switch blocks comprising 7 lb , 5 mb and 4 hb ports with strong m/h cross - band support . each switch block includes a directional coupler that may be monitored on the cpl port with selectable forward or reverse d irectionality. a diplexer and a second antenna port provide flexible simultaneous l + m/hb reception required for downlink ca. the sky7 7928- 11 includes a full set of features for state - of - the - art performance and minimal phone board complexity. the heterojunction bipolar transistor (hbt) pa blocks are fabricated in gallium arsenide (gaas). the hbt, switches, controller die, and passive components are mounted on a multi - layer laminate substrate . a plastic overmold encapsulat es t he entire assembly. the cmos controller provides pa band/mode selection and bias control, including the mobile industry processor interface (mipi) rffe logic and switch deco der circuitry. the pa controller provides vramp control of the gmsk envelope and reduces sensitivity to input drive, temperature, power supply, and process variations. skyworks finger - based integrated power amplifier control (fb - ipac) minimizes output pow er variation into mismatch. in edge and td - scdma / tdd lte linear modes, vramp voltage and mipi - based bias settings jointly optimize pa linearity and efficiency.
product summary sky7 7928- 11 s ky l ite ? tx - r x fem for quad - band gsm / gprs / ed ge w / 1 6 linear trx switch ports C dual - band td - scdma, tdd lte band 39 C dual antenna skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 2 february 8, 2016 ? skyworks proprietary information ? products and product information are subject to change without noti ce. ? 203560d f igure 1. sky 77928- 11 f unctional b lock d iagram or d ering information product name order number evaluation board part number sky 7 7928 - 11 skylite ? tx - rx front - end module sky 7 7928 - 11 ? 2016, skyworks solutions, inc. all rights reserve d . information in this document is provided in connection with skyworks solutions, inc. (skyworks) products or services. these materials, inc luding the information contained herein, are provided by skyworks as a service to its customers and may be used for informational purposes only by the customer. skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. skyworks may change its documentation, products, services, specifications or product descriptio ns at any time, without notice. skyworks makes no commitment to update the materials or information and shall have no responsibility whatsoever for conflicts, incompatibilities, or other di fficulties arising from any future changes. no license, whether express, implied, by estoppel or otherwise, is granted to any intellectual property rights by this document. skyworks assumes no liability for any materials, products or information provided hereunder, including the sale, distribution, reproduction or use of skyworks produ cts, information or materials, except as may be provided in skyworks terms and conditions of sale. the materials, products and information are provided as is without warranty of any kind, whether express, implied, statutor y, or otherwise, including fitne ss for a particular purpose or use, merchantability, performance, quality or non - infringement of any intellectual property right; all such warranties are hereby expressly disclaimed. skyworks 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, including but not limited to any special, indirect, incidental, statutory, or consequent ial damages, including without limitation, lost revenues or lost profits that may result from the use of the materials or information, whether or not the recipient of materials has b een advised of the possibility of such damage. skyworks products are not intended for use in medical, lifesaving or life - sustainin g applications, or other equipment in which the failure of the skyworks products could lead to personal injury, death, physical or environmental damage. skyworks customers using or selling skyworks products for use in such applications d o so at their own r isk and agree to fully indemnify skyworks for any damages resulting from such improper use or sale. customers are responsible for their products and applications using skyworks products, which may deviate from published speci fications as a result of design defects, errors, or operation of products outside of published parameters or design specifications. customers should include design and operating safeguards t o minimize these and other risks. skyworks assumes no liability for applications assistance, cust omer product design, or damage to any equipment resulting from the use of skyworks products outside of stated published speci fications or parameters. skyworks , the skyworks symbol , and skylite are trademarks or registered trademarks of skyworks solutions, inc., in the united states and other countries. third - party brands and names are for identification purposes only, and are the property of their respective owners. additional information, including relevant ter ms and conditions, posted at www.skyworksinc.c om, are incorporated by reference.
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