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 Web: www.taisaw.com E-mail: [email protected] SAW Filter 1925MHz MODEL NO.:TA1491A REV. NO.:1 A. MAXIMUM RATING: 1. Input Power Level: 10 dBm 2. DC Voltage : 3V RoHS Compliant Lead free Lead-free soldering 3. Operating Temperature: -20°C to +70°C 4. Storage Temperature: -40°C to +85°C Electrostatic Sensitive Device (ESD) B. ELECTRICAL CHARACTERISTICS: Item Center frequency, Fc Insertion loss, IL (1920 ~ 1930 MHz) Amplitude ripple (1920 ~ 1930 MHz) VSWR (1920 ~ 1930 MHz) Attenuation (reference from 0dB) 1700 ~ 1810 MHz 1810 ~ 1855 MHz 1985 ~ 2100 MHz Source impedance ZS Load impedance ZL Unit Min. Typ. Max. MHz dB dB - 1925 1.3 0.3 1.3 3 1.3 2.5 dB dB dB Ω Ω 30 20 30 - 38 33 46 50 50 - 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.OUTLINE DRAWING: △ P □ 9 B : Input E : Output A,C,D,F : Ground Unit : mm △ : Year Code: Year 2012 2013 2014 Year Code 2 3 4 … … 2018 2019 2020 8 9 0 □ : Data code：See the table E. PCB Footprint: TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 3 F. Frequency Characteristics : (1) Wideband response: (2) Narrowband response: TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 4 (3) VSWR |S11|: (4) VSWR |S22|: TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 5 G. PACKING: 1. REEL DIMENSION (Reel Count : 7”=1000 ; 13”=3000 ) 2.TAPE DIMENSION P9 △□ TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 6 360 340 320 300 280 260 240 220 200 180 160 140 120 100 80 60 40 20 280 260 240 220 200 180 160 140 120 100 80 60 40 20 0 Temp ( Deg C) H. RECOMMENDED REFLOW PROFILE : Time (Sec) TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 7