1 of 2 functional block diagram 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 . ordering information vbat rf out rf in vmode1 ven vmode0 vcc cpl in cpl out gnd 5 4 1 2 3 6 7 10 9 8 amp bias control & pa/v mode enable RF7252 3v cdma/wcdma band 2 linear pa module the RF7252 is a high-power, high-efficiency linear power amplifier designed for use as final amplification stage in 3v, 50 ? umts/cdma mobile cellular equipment. this pa is developed for umts band 2 and cdma pcs band which operates in the 1850mhz to 1910mhz frequency range. the RF7252 has two digital control pins to select one of three power bias states to optimize perf ormance and current drain at lower power levels. the part also has an integrated directional coupler which eliminates the need for an external discrete coupler at the output. the RF7252 meets spectral linearity re quirements for cdma, hsdpa, and hsupa data transmission. the RF7252 part is assembled in a 10-pin, 3mm x 3mm module. features ? multi-mode umts/cdma/ ev-do ? best-in-class efficiency ? +28.5 dbm, pae 44%, wcdma ? +28.25 dbm, pae 42%, cdma 2k rc1 ? high coupler directivity 22db ? internal voltage regulator ? 3-mode power states with digital control interface ? optimized for dc-dc converter operation: rf6650 recommended ? three power states with digital control interface ? integrated power coupler ? integrated blocking and decoupling capacitors applications ? umts/cdma wireless hand- sets and datacards RF7252 3v cdma/wcdma band 2 linear pa module RF7252pcba-410 fully assembled evaluation board ds121210 package style: module, 10-pin, 3mm x 3mm x 0.8mm
2 of 2 RF7252 ds12120 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . please contact rfmd technical support at (336) 678-5570 for more information.
|
