skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201796b ? skyworks proprietary and confidential information. ? products and product inf ormation are subject to change without notice. ? november 21 , 2012 1 product summary sky 77741 skyhi ? dual - band p ower a mplifier module for cdma2000/ wcdma / hsdpa / hsupa band i ( 1920C 1980 mhz) band viii ( 880C 915 mhz) applications ? wcdma handsets ? hsdpa ? hsupa ? cdma2000 ? evdo features ? low voltage positive bias supply : 3 . 0 v to 4. 5 v ? good linearity ? high efficiency band i : 47 % at 28. 3 dbm band viii : 47% at 28.5 dbm ? large dynamic range ? small, low profile package - 4 mm x 3 mm x 0. 9 mm - 16- pad configuration ? power down control ? ingap ? supports low collector voltage operation ? digital enable ? no v ref required ? cmos compatible control signals ? integrated directional coupler the sky 77741 skyhi ? power amplifier module (pam) is a fully matched, 16 - pad , surface mount module developed f or code division multiple access (cdma) and wideband code division multiple access (wcdma) applications. this small and efficient module packs full wcdma band i and band viii coverage into a single compact package. the sky 77741 meets the stringent spectral linearity requirements of wcdma transmission, with high power added efficie ncy for power output to 28. 3 dbm ( band i ) and 28.5 dbm ( band viii ). the sky 77741 meets the stringent spectral linearity requirements of high speed down link packet access (hsdpa) data transmission with high power added efficiency. a directional coupler is integrated into the module thus eliminating the need for any external coupler. the single gallium arsenide (gaas) microwave monolithic integrated circui t (mmic) contains all active circuitry in the module. the mmic contains on - board bias circuitry, as well as input and interstage matching circuits. output match into a 50 - ohm load is realized off - chip within the module package to optimize efficiency and po wer performance. the sky 77741 pam is manufactured with skyworks ingap gaas heterojunction bipolar transistor (hbt) bifet process that provides for all positive voltage dc supply operation while maintaining high efficiency and good linearity. no vref volt age is required. power down is accomplished by setting the voltage on ven _h b and ven_lb to zero volts. no external supply side switch is needed as typical off leakage is a few microamperes with full primary voltage supplied from the battery. figure 1. sky 77741 functional block diagram
ordering information product name order number evaluation board part number sky 77741 skyhi ? dual - band p ower a mplifier module sky 77741 en2 1 - d 406 - 00 1 rev a v1 ? 2012 , skyworks solutions, inc. all rights reserved. information in this document is provided in connection with skyworks solutions, inc. (skyworks) products or services. these materials, including 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 erro rs or omissions in these materials or the information contained herein. skyworks may change its documentation, products, services, specifications or product descriptions 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 fut ure changes. no license, whether express, implied, by estoppel or otherwise, is granted to any intellectual property rights by this docume nt. skyworks assumes no liability for any materials, products or information provided hereunder, including the sale, distribution, reproduction or use of skyworks products, 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, statutory, or otherwise, including fitness 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 warr ant 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 d amages, 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 m aterials has been advised of the possibility of such damage. skyworks products are not intended for use in medical, lifesaving or life - sustaining 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 p roducts for use in such applications do so at their own risk 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 de viate from published specifications 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. skywor ks assumes no liability for applications assistance, customer product design, or damage to any equipment resulting from the use of skyworks products outs ide of stated published specifications or parameters. skyworks, the skyworks symbol, breakthrough simp licity, dcr, helios, hip3, innovation to go, intera, ipac, lipa, polar loop, and system smart are trademarks or registered t rademarks of skyworks solutions, inc., in the united states and other countries. third - party brands and names are for identificatio n purposes only, and are the property of their respective owners. additional information, including relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference.
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