skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201773c ? skyworks proprietary and confidential information. ? products and product information are subject to change without notice. ? august 8 , 2013 1 product summary sky 77761 skyhi ? power amplifier module for cdma / wcdma / hsdpa / hsupa / hspa + / lte C band i ( 1920 C 1980 mhz) applications ? wcdma handsets ? hsdpa ? hsupa ? hspa + ? lte ? cdma2000 ? evdo features ? low voltage positive bias supply 3.2 v to 4.2 v ? good linearity ? high efficiency ? large dynamic range ? small, low profile package - 3 mm x 3 mm x 0.9 mm - 10- pad configuration ? power down control ? ingap ? supports low collector voltage operation ? digital enable ? no v ref required ? cmos compatible contro l signals ? integrated directional coupler description the SKY77761 power amplifier module (pam) is a fully matched 10 - pad surface mount module developed for wideband code division multiple access (wcdma) applications. this small and efficient module pack s full 1920 - 1980 mhz bandwidth coverage into a single compact package. because of high efficiencies attained throughout the entire power range, the SKY77761 delivers unsurpassed talk - time advantages. the SKY77761 meets the stringent spectral linearity requ irements of high speed downlink packet access (hsdpa), high speed uplink packet access (hsupa), and long term evolution (lte) data transmission with high power added efficiency. an integrated directional coupler eliminates the need for any external coupler . the gallium arsenide (gaas) microwave monolithic integrated circuit (mmic) contains all amplifier active circuitry, including input and interstage matching circuits. the silicon cmos support die, providing precision biasing for the mmic affords a true cmos - compatible control interface. output match into a 50 - ohm load , realized off - chip within the module package , optimize s efficiency and power performance. the SKY77761 is manufactured with skyworks' ingap gaas heterojunction bipolar transistor (hbt) proc ess which provides for all positive voltage dc supply operation and maintains high efficiency and good linearity. while primary bias to the SKY77761 can be supplied directly from any suitable battery with an output of 3.2 v to 4.2 v, optimal performance is obtained with vcc2 sourced from a dc - dc power supply adjusted w ithin 0.5 v to 3.4 v based on target output power levels. power down executes by setting venable to zero volts. no external supply side switch is needed as typical "off" leakage is a few micro amperes with full primary voltage supplied from the battery.
ordering information order number manufacturing part number evaluation board part number sky 77761 sky 77761 - 11 SKY77761 - 12 en20 - d957 - 001 rev a copyright ? 2012, 2013, 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 skywork s as a service to its customers and may be used for informational purposes only by the customer. skyworks assumes no responsi bility for errors or omissions in these materials or the information contained herein. skyworks may change its documentation, produ cts, 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 arisi ng from any future 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 provid ed in skyworks terms and conditions of sale. the materials, products and information are provided as is without warranty of any k ind, 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. sk yworks 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 consequential 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 m aterials has been advised of the possibility of such damage. skyworks pro ducts 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 sell ing skyworks products 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 deviate 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. skyworks 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, bre akthrough simplicity, and skyhi 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.com, are incorporated by reference.
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