TAI-SAW TECHNOLOGY CO., LTD. No. 3, Industrial 2nd Rd., Ping-Chen Industrial District, Taoyuan, 324, Taiwan, R.O.C. TEL: 886-3-4690038 FAX: 886-3-4697532 E-mail: [email protected] Web: www.taisaw.com SAW Filter 781 MHz MODEL NO.: TA1298A REV. NO.:2 A. MAXIMUM RATING: 1.Input Power Level: 10 dBm 2.DC voltage: 5 V RoHS Compliant Lead free Lead-free soldering 3.Operating Temperature: -30°C to 60°C 4.Storage Temperature: -30°C to +85°C B. CHARACTERISTICS: Item Unit Min. Typ. Max. Center frequency Fc MHz 3dB Bandwidth MHz Amplitude ripple 769 ~ 793 MHz Insertion loss 769 ~ 793 MHz Group Delay variation within 769 ~ 793 MHz Attenuation (reference from 0dB) dB dB dB ns 24 - 781 33 1.4 2.4 25 1.7 3.0 200 0.3 ~ 706 MHz 706 ~ 755 MHz 807 ~ 871 MHz 871 ~ 900 MHz 900 ~ 1205 MHz Source impedance Load impedance dB dB dB dB dB Ω Ω 40 10 10 40 45 - 52 22 20 53 52 50 50 - ZS ZL Note1. No matching network required for operation at 50Ω C. MEASUREMENT CIRCUIT: HP Network analyzer 50Ω B SAW Filter E 50Ω A,C,D,F TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 2 D. TRANSFER FUNCTION : TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 3 E.OUTLINE DRAWING: 1298 △□ △ Product Year Code 2007 2009 Year 2011 . Product Code A B : Input E: Output A,C,D,F Ground △:Year Code □: Date Code(Follow the table provided by planner each year.) Unit: mm 2008 2010 2012 . a F.PCB FOOTPRINT: TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 4 G. PACKING: 1. REEL DIMENSION 2. TAPE DIMENSION 1298 T△□ Direction of Feed TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 5 H. REFLOW PROFILE Recomended Reflow Profile 240 220 200 180 160 140 120 360 340 320 300 280 260 240 220 200 180 160 140 120 100 80 60 40 20 100 80 60 40 20 0 Temp ( Deg C) 280 260 Time (Sec) TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 6