XFM-1901-1UH XFM-19011UHXFM1901-1UH 1:1 SMT TRANSFORMER RoHS Compliant and Pb-Free Product Package: S03 Features Frequency Range 800MHz to 1900MHz Impedance Ratio: 1:1 Unbalanced to Unbalanced Low Cost and RoHS Compliant Industry Standard SMT package Available in Tape-and -Reel 50 Nominal Impedance Product Description The XFM-1901-1UH transformer is designed for applications that require small, low cost, and highly reliable surface mount components. Applications may be found in broadband, wireless, and other communications systems. These transformers are built Lead-Free and RoHS compliant. Specifications Schematic Specification Parameter Min. Typ. Unit Max. Frequency Range 800 1900 MHz Insertion Loss <1dB 800 1400 MHz 800 1900 MHz Insertion Loss <2dB MHz Insertion Loss <3dB Impedance Ratio 1:1 Type Unbalanced to Unbalanced Input Return Loss Insertion Loss S31 0.5 0 0 -5 -0.5 -10 -1 -15 dB dB S21 -1.5 -20 -2 -25 -2.5 -30 -3 -35 -3.5 800 900 1000 1100 1200 1300 1400 1500 Frequency, MHz 1600 1700 1800 1900 -40 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 Frequency, M Hz RF MICRO DEVICES(R), RFMD(R), Optimum Technology Matching(R), Enabling Wireless ConnectivityTM, PowerStar(R), POLARISTM TOTAL RADIOTM and UltimateBlueTM are trademarks of RFMD, LLC. BLUETOOTH is a trademark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. (c)2006, RF Micro Devices, Inc. EDS-XFM-1901-1UH 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. 1 of 2 XFM-1901-1UH Phase Balance Amplitude Balance 1 190 0.8 0.6 0.4 0.2 dB Degrees 185 180 0 -0.2 -0.4 175 -0.6 -0.8 170 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 -1 800 900 1000 1100 1200 Pin Out Pin Name 1 Secondary 2 NC 3 Secondary DOT 4 Primary DOT 5 Primary Package Drawing - S03 1300 1400 1500 1600 1700 1800 1900 Frequency, MHz Frequency, MHz Absolute Maximum Ratings Parameter Rating Unit +33 dBm Operating Temperature -55 to +100 C Storage Temperature -55 to +100 C RF Power Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause permanent damage to the device. Extended application of Absolute Maximum Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Absolute Maximum 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 infringement 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. 2 of 2 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. EDS-XFM-1901-1UH Rev 4