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 Resonator 915 MHz SMD 3.8X3.8 mm TST Parts No.: TC0278A Customer Parts No.: Company: Division: Approved by : Date: Checked by: Asin Lin Approval by: Francis Chen Date: 2005/4/06 TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document FR-71S03-01 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 Resonator 915 MHz MODEL NO.: TC0278A REV. NO.:1 A. FEATURES: 1. 1-Port Resonator. B. MAXIMUM RATING: 1.Input Power Level: 0 dBm 2.DC voltage: 3 V RoHS Compliant Lead free Lead-free soldering 3.Operating Temperature: -40°C to +85°C 4.Storage Temperature: -40°C to +85°C C. ELECTRICAL CHARACTERISTICS: Reference Temperature TA=25℃ Characteristic Center frequency Fc Insertion Loss IL Unload quality factor QU Ageing of fc Motional capacitance C1 Motional inductance L1 Motional resistance R1 Parallel capacitance Co Frequency Temperature coefficient (TCf) Turnover To Package size Units Minimum MHz dB 914.9 5000 - Typical 915 1.1 6200 ppm/yr fF 1.39 μH 21.8 Ohm 20.3 pF 2.6 ppm/c*2 0.032 deg.C 10 25 SMD 3.8X3.8X1.4mm Temperature dependence of fc: fc(TA)=fc(TO)(1+TCf(TA-TO)2) TAI-SAW TECHNOLOGY CO., LTD. Maximum 915.1 2.0 ±10 40 TST DCC Release document - 2 - 2 7 8 D.OUTLINE DRAWING: E.EQUVIRENT CIRCUIT: One-Port Resonator: Source Impedance #2B 50Ω Load Impedance C0 #6 E R1 C1 50Ω L1 F.FREQUENCY CHARACTERISTICS: Resonator 915MHz Frequency Charactristics (S21) 0 -5 dB -10 -15 -20 -25 913.500 914.000 914.500 915.000 915.500 916.000 916.500 Frequency (Center Frequency 915MHz Span 3MHz) TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document - 3 - G. TEST CIRCUIT: Network analyzer From 50Ω Network Analyzer B 50Ω E SAW Resonator To 50Ω 50Ω Network Analyzer A、 C、 D、 F H.PCB FOOTPRINT TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document - 4 - I. PACKING: 1.REEL DIMENSION 2.TAPE DIMENSION 278 Direction of feed TAI-SAW TECHNOLOGY CO., LTD. TST DCC Release document - 5 -