BRANCHY FC0433D92C110 433.920MHz Low-loss Filter ■ Features l RF Low-Loss Filter For Remote Control Receivers l Excellent Rejection l Simple External Impedance Matching ■ Maximum Ratings 1 2 3 8 Rating CW RF Power Dissipation DC voltage Between Terminals Operating Temperature Range Storage Temperature Range Soldering Temperature Electrostatic Sensitive Device ( ESD ) Value 10 15 -40 / +85 -40 / +85 +250 Units dBm VDC °C °C °C 4 7 6 5 Pin Configuration 1 : Input Ground 2 : Input 5 : Output 6 : Output Ground 4,8 : Case Ground 3,7 : to be grounded Ordering code Marking FC0433D92C110 FC0433C1, date code ■ 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 ) Sym fc Min. 433.82 Typ. 433.92 Max. 434.02 Units MHz Insertion Loss IL ----- 3.0 5.0 dB 3 dB bandwidth BW3 500 650 800 KHz 20 38 30 45 dB dB dB 150\\ 4.7 150\\ 4.7 W \\ pF W \\ pF Rejection Impedance at 433.92 MHz Temperature Stability At fc –10.7 MHz At fc –21.4 MHz Input : Zin = Rin \\ Cin Output : Zout = Rout \\ Cin Turnover Temperature To Turnover Frequency fo Temperature Coefficient FTC Frequency aging fa 10 ----- 25 fc 0.033 40 ----- °C MHz ppm/°C² ----- 10 50 ppm/yr 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. June 25, 2003 TEL : ( 886 ) -3-4391499 FAX : ( 886 ) -3-4395578 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 L2 3 2 1 8 To 50W Network Analyzer 5 6 C1= 5 pF 7 L1=32 nH C2 To 50W Network Analyzer C1 L2=32 nH C2= 5 pF Ground : 1,3,4,6,7,8 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. June 25, 2003 TEL : ( 886 ) -3-4391499 FAX : ( 886 ) -3-4395578