1 of 2 optimum technology matching? applied gaas hbt ingap hbt gaas mesfet sige bicmos si bicmos sige hbt gaas phemt si cmos si bjt gan hemt 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. ?20 12 , 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. rf mems ldmos ? gpctrl3 gnd rx1 gnd gnd gpctrl2 gnd gnd gnd rx4 gnd rfin hb rfin lb vramp tx enable gpctrl0 gpctrl1 vbatt td_en antenna rx2 rx3 esd protection 78 6 5 4 3 2 122 20 19 18 17 16 15 14 13 12 11 10 9 amplifier switch cmos controller 21 RF9812 quad-band gprs/linear edge +3.2v td-scdma multi-mode transmit module the RF9812 is a quad band edge+td-scdma multi-mode transmit module with the capability to support both gsm/gprs /linear edge (gsm850/egsm900/dcs1800/pcs1900) and tdscdma (1880mhz to 1920mhz and 2010mhz to 2025mhz) b34/39 frequency bands. the RF9812 continues to build upon rfmd?s leading patented powerstar? architecture to include such features as a power flattening circuit, v ramp filtering, v batt tracking, edge low power mode. rfmd has integrated td-scdma functionality into the RF9812, so it can be used as the transmit module in 3.2v, 50 ? gsm/edge/td-scdma dual-m ode cellular equipment. the RF9812 module includes a multi-function cm os controller, gaas hbt power amplifier, and phemt front end antenna switch. the amplifier devices are manufactured on rfmd?s advance gallium arsenide heterojunction bipolar transistor (gaas hbt) process, which is designed to operate either in saturated mode for gmsk or linear mode for edge 8psk and td-scdma sig- naling. the highly integrated edge+td-scdm a transmit module simplifies gsm/td-scdma dual-mode handset and da ta card design by eliminating th e need for complicated control loop design, output rf spectrum (orfs) optimization, harmonic filtering, and component matching, all of which combine to provide best in class rf performance, solution size, and ease of imple- mentation for gsm/edge/td-scdm a dual-mode cellular phone and data card systems. the rf ports are 50 ? matched and the antenna port includes esd protection circuitry which meets the stringent 8kv industry standards requiring no additional components. all of these eliminated factors help to improve the customer?s product time to market. features ? td-scdma compliant b34/39 ? td-hsdpa and td-hspa+ compliant ? +25 dbm output power td- scdma ? low gain mode for reduced i cq ? high efficiency at rated p out ?v batt =3.5v ? gsm850/egsm900=41/40% ? dcs1800/pcs1900=38/36% ? integrated power flattening circuit for lower power varia- tion under mismatch condi- tions ? integrated v batt tracking cir- cuit for improved switching spectrum under low v batt conditions ? symmetrical rx ports ? robust 8kv esd protection at antenna port ? pin compatible with rf9810 applications ? 3.2v quad-band gsm/gprs/edge and dual- band td-scdma handsets ? mobile gprs/edge/ td-scdma data products ? gprs class 12 compliant products ds120910 ?? package: 22-pin module, 6.63mm x 5.24mm x 1.00mm RF9812quad- band 3.2v multi-mode transmit module
2 of 2 RF9812 ds120910 7 628 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.
|
