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 421.9 MHz MODEL NO.:TA1638A REV. NO.:1 A. MAXIMUM RATING: 1. Input Power Level: 20 dBm 2. DC Voltage : 3 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 Unit Min. Type. Max. Center frequency Fc MHz - 421.9 - Insertion Loss IL dB - 1.7 3.0 dB - 0.3 1.2 - - 1.4 2.2 (420.9~422.9 MHz) Amplitude Ripple (420.9~422.9 MHz) VSWR (420.9~422.9 MHz) Attenuation (Reference level from 0 dB) 10 ~ 380 MHz dB 55 67 - 380 ~ 405 MHz dB 45 55 - 440 ~ 450 MHz dB 30 41 - 450 ~ 700 MHz dB 50 56 - 700 ~ 1000 MHz dB 42 55 - ppm/k - -36 - Temperature coefficient of frequency 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: 6 C B: Input E: Output A, C, D, F: Ground Unit: mm △:Year Code (2011->1, 2012->2, …, 2019->9, 2020->0) □:Date Code Date Code Table: F. PCB Footprint: TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 3 F. Frequency Characteristics: TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 4 Reflection Functions: S11 S22 TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 5 G. PACKING: 1. REEL DIMENSION (Please refer to FR-75D10 for packing quantity) 2. TAPE DIMENSION □ 6C D Q △ TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 6 H. RECOMMENDED REFLOW PROFILE: 1. 2. 3. 4. Preheating shall be fixed at 150~180℃ for 60~90 seconds. Ascending time to preheating temperature 150℃ shall be 30 seconds min. Heating shall be fixed at 220℃ for 50~80 seconds and at 250±10℃ peak (max. 10sec). Time: 2 times. TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document 7