FC0433D92C110

BRANCHY FC0433D92C110 433.920MHz Low-loss Filter ■ Features l l l RF Low-Loss Filter For Remote Control Receivers Excellent Rejection Simple External Impedance Matching ■ Maximum Ratings 123 8 4 765 Electrostatic Sensitive Device ( ESD ) Rating CW RF Power Dissipation DC voltage Between Terminals Operating Temperature Range Storage Temperature Range Soldering Temperature Value 10 15 -40 / +85 -40 / +85 +250 Units dBm VDC °C °C °C Pin Configuration 1 : Input Ground 2 : Input 5 : Output 6 : Output Ground 4,8 : Case Ground 3,7 : to be grounded FC0433D92C110 Ordering code FC0433C1, date code Marking ■ Electrical Characteristics Ambient temperature Source impedance Load impedance Ta = 25 °C Zs = 50 W and matching network. ZL = 50W and matching network. Characteristic Center Frequency ( Between -3dB points ) Insertion Loss 3 dB bandwidth Rejection Impedance at 433.92 MHz A t fc – 10.7 MHz A t fc – 21.4 MHz I nput : Z in = Rin \\ Cin Output : Zout = Rout \\ Cin Sym fc IL BW3 Min. 433.82 ----500 20 38 Typ. 433.92 3.0 650 30 45 1 50\\ 4.7 150\\ 4.7 Max. 434.02 5.0 800 Units MHz dB KHz dB dB dB W \\ p F W \\ p F Temperature Stability Turnover Temperature To Turnover Frequency fo Temperature Coefficient FTC fa 10 --------- 25 fc 0.033 10 40 ----50 °C MHz ppm/°C² ppm/yr Frequency aging 1. Temperature dependance of f c : fc ( Ta ) = fc ( To ) ( 1- FTC ( Ta - To) ² ) 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 June 25, 2003 BRANCHY FC0433D92C110 ■ Typical Filter Response: 0 -10 -20 -30 -40 -50 -60 409 414 419 424 429 434 439 444 449 454 459 Frequency (MHz) ■ Typical Test Circuit: 4 L1 3 2 1 8 To 50W Network Analyzer C1 5 6 7 C2 To 50W Network Analyzer Ground : 1,3,4,6,7,8 L2 C1= 5 p F L1=32 nH L2=32 nH C2= 5 p F Matching network to 50 W (element values depend on pcb layout and equivalent circuit) 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 June 25, 2003