BRANCHY RC0426D55A110 426.550 MHz SAW Resonator ■ Features l One Port Resonator l Low Series Resistance l Quartz Stability l Small Sizes 1 2 3 ■ Maximum Ratings Rating CW RF Power Dissipation DC voltage Between Terminals Operating Temperature Range Storage Temperature Range Soldering Temperature 8 Value 0 10 -40 / +85 -40 / +85 +250 4 7 6 5 Units dBm VDC °C °C °C Pin Configuration Electrostatic Sensitive Device ( ESD ) 2 : Input 6 : Output 4,8 : Case Ground Ordering code Marking RC0426D55A110 RC0426A1, date code Ambient temperature Source impedance Load impedance Ta = 25 °C Zs = 50 W ZL = 50 W Characteristic Center Frequency Insertion Loss Quality Factor RF Equivalent RLC Model Temperature Stability Aging of fc Sym Min. Typ. Max. Units Tolerance fc Dfc IL 426.475 --------- 426.550 ----1.5 426.625 ±75 2.2 MHz KHz dB Unloaded Q 50W Loaded Q Qu QL --------- 9250 2120 --------- Motional Resistance Motional Capacitance Motional Inductance Parallel Capacitance R1 C1 L1 C0 ----------------- 23 1.8 78.9 2.0 ----------------- W fF mH pF To FTC 10 ----- 25 0.033 10 40 ----50 °C ppm/°C² ppm/yr Turnover Temperature Temperature Coefficient 1. Temperature dependance of fc : fc ( Ta ) = fc ( To ) ( 1- FTC ( Ta - To) ² ) May 23, 2003 1 BRANCHY TECHNOLOGY CO., LTD. No. 171, Tien-Tsin St., Pin-Chin City, Tao Yuan Hsien, Taiwan, R.O.C. TEL : ( 886 ) -3-4391499 FAX : ( 886 ) -3-4395578 BRANCHY RC0426D55A110 ■ Typical SAW Resonator Response : ■ Typical Application Circuit: ■ RF Test Circuit： 4 3 2 5 6 7 1 8 To 50W Network Analyzer From 50W Network Analyzer May 23, 2003 2 BRANCHY TECHNOLOGY CO., LTD. No. 171, Tien-Tsin St., Pin-Chin City, Tao Yuan Hsien, Taiwan, R.O.C. TEL : ( 886 ) -3-4391499 FAX : ( 886 ) -3-4395578