skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworksinc.com ? www.skyworksinc.com 203394c ? skyworks proprietary information ? products and product information are subject to change without notice. ? april 23 , 2015 1 product summary sky 7 7910 - 11 skylite ? t x - rx fem for quad - band gsm / gprs edge w / eight linear trx switch ports , dual - band td - scdma , and tdd lte band 39 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 features ? small, low profile package - 5. 5 mm x 5. 3 mm x 0. 8 mm - 38- pad configuration ? fully programmable mipi ? rffe control ? eight low insertion loss / high linearity trx switch ports ? integrated noise suppression notch filter for wifi coexistence ? built - in iec - compliant antenna esd protection ? integrated broadband directional cou pler ? high efficiency (inclusive of coupler) - 40% gsm850 36% dcs1800 - 40% gsm900 36% pcs1900 ? wide gmsk input power range: C 1 dbm to 6 dbm ? tx - vco - to - antenna and antenna - to - rx - saw filter rf interface ? tx harmonics below C 40 dbm ? current limiting and over - voltage protection for ruggedness and extended battery life ? input/output ports internally matched to 50 load ? high impedance control inputs : 20 a, maximum ? power control circuitry built - in for improved trp variation description skylite ? is skyworks newest family of lte devices which consists of highly integrated modules incorporating the amplification, switching, wifi filtering and coupler functions required to support all major fdd/tdd bands. with the addition of external duplexers, this product family pro vides oems with a scalable and reconfigurable front - end system suitable for markets worldwide. d esign of the sky7 7910- 11 skylite ? transmit / receive front end module (fem) offers a complete transmit vco - to - antenna and antenna - to - receive saw filter solution for advanced cellular handsets comprising quad - band gsm and linear 2.5g operation i n a very low profile (0.9 mm) and compact form factor . t he fem supports class 12 general packet radio service (gprs) , edge multi - slot operation, and td - scdma and tdd lte l inear transmission . eight transmit / receive (trx) ports and an integrated directional coupler enables broadband 3g/4g rf switch - through. the module consists of a cmos power amplifier (pa) controller, a low band (lb) pa block supporting gsm850/900 bands, a high band (hb) pa block supporting dcs1800/pcs1900, td - scdma bands 34/39 and tdd lte band 39, input and output ports internally matched to 50 ohm impedance loads, tx harmonic filtering, rf switching , and a directional coupler at the antenna output. the cu stom low - current pa controller includes the mobile industry processor interface ( mipi ? ) and decoder circuitry to control the rf switch. a ll rf ports internal match ed to a 50 ohm load reduces the external components on the phone board. the heterojunction b ipolar transistor (hbt) pa blocks, fabricated in gaas, share common power supply pads to distribute current. extremely low leakage current of the sky7 7910 - 11 maximizes handset standby time. the pa outputs and the eight trx pads connect to the antenna pad t hrough a high - linearity, low - loss switch. the trx ports feature a 0 volts dc offset level t hat eliminate s external blocking capacitors . an integrated directional coupler precludes any external coupler require ment . the gaas die, the switch die, the cmos controller, and the passive components mount onto a multi - layer laminate substrate and the entire assembly encapsulated with plastic overmold. mipi controls the rf signal flows including mode control and selection o f lb or hb pa or trx port. in gmsk modes, the pa controller provides envelope amplitude control as a function of vramp and reduces sensitivity to input drive, temperature, power supply, and process variations. skyworks finger - based integrated power ampli fier control (fb - ipaq ) minimizes output power variation into mismatch. proper timing of mipi commands and vramp input ensures high isolation between the antenna and tx - vco while the vco is being tuned prior to the transmit burst. in edge and td - scdma / t dd lte linear modes, vramp voltage and mipi - based bias settings optimize pa linearity and efficiency.
or d ering information product name order number evaluation board part number sky 7 7910 - 11 skylite ? tx - rx front - end module sky 7 7910 - 11 tbd ? 2014, 2015, 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, 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 r esponsibility for errors or omissions in these materials or the information contained herein. skyworks may change i ts documentation, products, services, specifications or product descriptions at any time, without notice. skyworks makes no c ommitment to update the materials or information and shall have no responsibility whatsoever for conflicts, incompatibilities, or o ther difficulties arising 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 pr ovided hereunder, including the sale, distribution, reproduction or use of skyworks products, information or materials, excep t 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 expres sly disclaimed. skyworks does not warrant the accuracy or completeness of the information, text, graphics or other items containe d within these materials. skyworks shall not be liable for any damages, including but not limited to any special, indirect, inc idental, 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 da mage. 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 custo mers using or selling skyworks products for use in such applications do so at their own risk and agree to fully indemnify sky works 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 minimi ze 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 sky works 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. add itional information, including relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference.
|
