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 428.55 MHz REV. NO：1.0 MODEL NO.:TA1484A A. MAXIMUM RATING: 1. Input Power Level: 15 dBm 2. DC Voltage : 3V 3. Operating Temperature: -40°C to +85°C 4. Storage Temperature: -40°C to +85°C RoHS Compliant Lead free Lead-free soldering Electrostatic Sensitive Device B. ELECTRICAL CHARACTERISTICS: Item Unit Min. Typ. Max. MHz - 428.55 - 3dB BW KHz - 680 - Upper frequency of 3dB relative to minimum IL MHz 428.75 - Lower frequency of 3dB relative to minimum IL Minimum insertion loss IL(min) Exclude loss in matching elements *1) Incl. loss of matching elements(Q=77) *2) MHz - - 428.35 dB dB - 2.0 2.3 3.0 3.3 dB dB dB dB dB dB dB 47 40 15 15 40 47 47 54 54 23 18 55 54 68 1232Ω//1.52pF 1232Ω//1.52pF - Center frequency Fc Attenuation (relative to ILmin ) *1) @ f = 407.1 @ f = 417.8 @ f = 427.5 @ f = 429.5 @ f = 439.2 @ f = 449.9 @ f = 1000.0 MHz MHz MHz MHz MHz MHz MHz Impedance at Fc, Input *1) Zin = Rin//Cin Zs Impedance at Fc, Output *1) Zout = Rout//Cout ZL Ω Ω *1)： The matching circuit is ideal by simluation. *2)： The matching circuit is real by actual passive components. 0805 Coillcraft CS series chip conductor is used for inductor. 0402 muRata GRM series is used for capacitor. TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 2 C. Frequency Characteristics : TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 3 D. MEASUREMENT CIRCUIT: The matching circuit is ideal by simulation L1：92nH , L2：92nH (Ideal value) C1：2 pF , C2：2pF (Ideal value) TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 4 △ □ P4 E.OUTLINE DRAWING: #B：Input ，#E：Output，#A,C,D,F：Ground △：Year code(2012->2, …, 2019->9) □：Data code Unit：mm WK01 WK02 WK03 WK04 WK05 WK06 WK07 WK08 WK09 WK10 WK11 WK12 WK13 A B C D E F G H I J K L M WK14 WK15 WK16 WK17 WK18 WK19 WK20 WK21 WK22 WK23 WK24 WK25 WK26 N O P Q R S T U V W X Y Z WK27 WK28 WK29 WK30 WK31 WK32 WK33 WK34 WK35 WK36 WK37 WK38 WK39 a b c d e f g h i j k l m WK40 WK41 WK42 WK43 WK44 WK45 WK46 WK47 WK48 WK49 WK50 WK51 WK52 n o p q r s t u v w x y z F. PCB Footprint: TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 5 G. PACKING: 1. REEL DIMENSION 7" reel = 1000 typ , 13" reel = 3000 typ, or per the reqeust of customer order. 2. TAPE DIMENSION P4 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