features 1 of 2 rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity?, powerstar?, polaris? total radio? and ultimateblue? are trademarks of rfmd, llc. bluetooth is a trade- mark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks and registered tradem arks are the property of their respective owners. ?2006, rf micro devices, inc. product description 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . XFA-0301-4UH 1:4 smt transformer the XFA-0301-4UH transformer is designed fo r applications that require small, low cost, and highly reliable surface mount components. applications may be found in broadband, wireless, and other communica tions systems. these transformers are built lead-free and rohs compliant. s- parameters are available on request. ? frequency range 0.05mhz to 220mhz ? impedance ratio: 1:4 unbalanced to unbalanced ? low cost and rohs compliant ? industry standard smt package ? available in tape-and -reel ? 50 nominal impedance eds-XFA-0301-4UH rev 4 rohs compliant and pb-free product package: s06 XFA-0301-4UH XFA-0301-4UH specifications parameter specification unit min. typ. max. frequency range 0.05 220 mhz insertion loss <1db 0.18 150 mhz insertion loss <2db 0.07 180 mhz insertion loss <3db 0.05 220 mhz impedance ratio 1:4 type unbalanced to unbalanced insertion loss -2.0 -1.5 -1.0 -0.5 0.0 0 25 50 75 100 125 150 175 200 225 frequency (mhz) s21 (db) s21 s31 input return loss -50 -40 -30 -20 -10 0 0 25 50 75 100 125 150 175 200 225 frequency (mhz) s11 schematic
2 of 2 eds-XFA-0301-4UH rev 4 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . XFA-0301-4UH phase balance 150 155 160 165 170 175 180 185 190 195 200 205 210 0 25 50 75 100 125 150 175 200 225 frequency (mhz) deg amplitude balance -1.0 -0.8 -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 0 25 50 75 100 125 150 175 200 225 frequency (mhz) db pin out pin name 1primary dot 2nc 3primary 4secondary 5nc 6secondary dot exceeding any one or a combination of the absolute maximum rating conditions may cause permanent damage to the device. extended ap plication of absolute maximum rating condi- tions to the device may reduce device reliability. specified typical performance or functional operation of the device under absolute ma ximum rating conditions is not implied. rohs status based on eudirective2002/95/ec (at time of this document revision). the information in this publication is believed to be accurate and reliable. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringe- ment of patents, or other rights of third parties, resulting from its use. no license is granted by implication or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. absolute maximum ratings parameter rating unit rf power +33 dbm operating temperature -55 to +100 c storage temperature -55 to +100 c package drawing - s06
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