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 868 MHz MODEL NO.: TA1245A REV. NO：1.0 A. MAXIMUM RATING: 1.Input Power Level: 10 dBm 2.DC voltage: 12 V 3.Operating Temperature: : -40°C to +85°C 4.Storage Temperature: -40°C to +85°C RoHS Compliant Lead free Lead-free soldering B. ELECTRICAL CHARACTERISTICS: Item Center frequency Fc Insertion loss IL(min) Pass bandwidth(relative to IL) BW3 Attenuation (Reference level from 0 dB) At Fc-21.4MHz At Fc-10.7MHz Impedance at Fc, Input Zin = Rin//Cin Zs Impedance at Fc, Output Zout = Rout//Cout ZL Unit Min. Typ. Max. MHz dB KHz - 868 3.6 1800 5.5 - dB dB Ω Ω 43 42 53 52 108.4Ω//3.7pF 108.4Ω//3.7pF - C. MEASUREMENT CIRCUIT: HP Network analyzer IN 50Ω 12nH 12nH B SAW Filter 4.7pF OUT 50Ω E 4.7pF A,C,D,F TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 2 D.OUTLINE DRAWING: 1245 #E：Input or Output #B：Output or Input #A、C、D、F：Ground ∆：Year Code □：Data Code(Follow the table provided by planer each year ) Unit：mm E. PCB Footprint： TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 3 F. Frequency Characteristics : Transfer function TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 4 Smith Chart: S11: S22: TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 5 G. PACKING: 1. REEL DIMENSION v 2. TAPE DIMENSION 1145 TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 6 H. RECOMMENDED REFLOW PROFILE: TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 7