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 Approval Sheet For Product Specification Issued Date: Product Name: SAW FILTER 947.5 MHz SMD3.0 SQ for GSM TST Parts No.: TA947FG Customer Parts No.: Company: Division: Approved by : Date: Checked by: Bob Chau Approval by: Vincent Lee Date: Oct. 15, 2001 TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document FR-03S06-02 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 947.5 MHz for Mobile Communication MODEL NO.: TA947FG A. ~ Low Loss type ~ REV. NO.: 2 MAXIMUM RATING: 1. Input Power Level: 10 dB m 2. DC voltage: 0 V 3. Operating Temperature: -30°C to +85°C 4. Storage Temperature: -40°C to +85°C B. ELECTRICAL CHARACTERISTICS: Characteristics Center frequency Fc Insertion loss within 935 ~960 MHz IL Amplitude ripple (p-p) within 935 ~ 960 MHz Attenuation (Reference level from 0 dB) 10 ~ 890 MHz 890 ~ 915 MHz 980 ~ 1025 MHz 1025 ~ 2000 MHz VSWR within 935 ~960 MHz Source impedance Zs Load impedance ZL Min. Typ. Max. (dB) (dB) (dB) - 947.5 2.4 1.0 3.0 2.0 (dB) (dB) (dB) (dB) 28.0 20.0 15.0 30.0 - 32.0 35.0 30.0 34.5 1.9 50 50 2.5 - (Ω) (Ω) Note1. No matching network required for operation at 50 Ω TAI-SAW TECHNOLOGY CO., LTD. 1 C. FREQUENCY CHARACTERISTICS: TAI-SAW TECHNOLOGY CO., LTD. 2 D. REFLECTIONS FUNCTIONS: S11 VSWR S22 VSWR TAI-SAW TECHNOLOGY CO., LTD. 3 E. MEASUREMENT CIRCUIT: HP Network analyzer 50Ω B SAW Filter E 50Ω A,C,D,F F. OUTLINE DRAWING: TAI-SAW TECHNOLOGY CO., LTD. 4 PACKING: 1. REEL DIMENSION F 2. TAPE DIMENSION TG G. TAI-SAW TECHNOLOGY CO., LTD. 5 REFLOW PROFILE: 1. Preheating shall be fixed at 140 ~ 160 ℃ for 60 ~ 90 seconds. 2. 3. Ascending time to preheating temperature 150 ℃ shall be 30 seconds min. Heating shall be fixed at 200 ℃ for 50 ~ 60 seconds and at 230±10 ℃ peak. IR-reflow Profile 260 Peak (240℃max) 240 220 200 Go down 180 Temp/degC H. 160 gradually Heating 140 Preheating 120 (200℃) (140~160℃) 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. 6