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| 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: tstsales@mail.taisaw.com Web: www.taisaw.com Approval Sheet For Product Specification Issued Date: Oct, 22, 2003 Product Name: SAW Filter 942.5 MHz for Mobile Communication TST Parts No.: TA0218A Customer Parts No.: Company: Division: Approved by : Date: Checked by: Approval by: Date: Bob Chau Francis Chen 10,22,2003 TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document FR-71S03-01 1 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: tstsales@mail.taisaw.com Web: www.taisaw.com SAW Filter 942.5 MHz for Mobile Communication MODEL NO.: TA0218A A. MAXIMUM RATING: 1.Operating Temperature: -20C ~ +85C 2.Storage Temperature: -40C ~ +85C REV. NO.:4 RoHS Compliant Lead free Lead-free soldering B. ELECTRICAL CHARACTERISTICS : Singled to Balanced operation Terminating source impedance : Zs = 50 Terminating load impedance : ZL = 150 // 70 nH Item Min. Center frequency FC Insertion loss( 925~960 MHz) I.L. ( 925~960 MHz) Ripple Input VSWR Output VSWR ( 925~960 MHz) ( 925~960 MHz) MHz (dB) (dB) Value Typ. 942.5 2.8 1.0 1.8 1.8 Max. 4.0 2.4 2.5 2.5 1.3 10 Note - Attenuation:( Reference level from 0 dB) 0 ~ 880 MHz (dB) 50 52 880 ~ 905 MHz (dB) 30 44 905 ~ 915 MHz (dB) 10 27 980 ~ 1050 MHz (dB) 21 27 1050 ~ 6000 MHz (dB) 50 54 Symmetry in band (referenced to the matched operating condition) Output amplitude balance (|S31/S21|) -1.3 0 ( 925~960 MHz) (dB) Output phase balance ((S31)-(S21)+180) -10 0 ( 925~960 MHz) degree - TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 2 C. OUTLINE DRAWING: E I Pin configuration G : Unbalance input C,D : Balance output B,E : Ground : Year code : Date code Unit : mm D. MEASUREMENT CIRCUIT: 150 TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 3 E. FREQUENCY CHRACTERISTICS: 1. Transfer function (25 ) 0 -10 -20 -30 Att.(dB) -40 -50 -60 -70 -80 750 790 830 870 910 950 990 1030 1070 1110 1150 Freq.(MHz) (wideband) 0 -10 -20 -30 Att.(dB) -40 -50 -60 -70 -80 0 600 1200 1800 2400 3000 3600 4200 4800 5400 6000 Freq.(MHz) TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 4 2. VSWR (25 ) Unbalance Input 11 10 9 8 7 VSWR 6 5 4 3 2 1 900 908 916 924 932 940 948 956 964 972 980 Freq.(MHz) Balance Output 11 10 9 8 7 VSWR 6 5 4 3 2 1 900 908 916 924 932 940 948 956 964 972 980 Freq.(MHz) TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 5 F. PACKING: 1. REEL DIMENSION 2. TAPE DIMENSION EI TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 6 G. Reflow Profile: 1. Preheating shall be fixed at 140 ~ 160 for 60 ~ 90 seconds. 2. Ascending time to preheating temperature 150 shall be 30 seconds min. 3. Heating shall be fixed at 200 for 50 ~ 60 seconds and at 23010 peak. IR-reflow Profile 260 240 220 200 180 Peak (240max) Go down Heating Preheating (140~160) (200) gradually Temp/degC 160 140 120 100 80 60 40 20 0 0 20 40 60 80 100 120 140 160 180 200 220 240 260 Time/sec 30sec. min 60 ~ 90 sec. 50 ~ 60 sec. TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 7 |
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