Low Pass Filter for Cable Modem Applications ELECTRONICS INC. EPB5065G • Integrated LPF designed to work with • Broadcom BCM 3033,3137 and 3210 • Isolation and Impedance matching to meet • Modem Cable Standards • Robust construction allows for IR/VP processes • • Temperature Range -40˚C to 85˚C • Electrical Parameters @ 25° C Cut-off Frequency (MHz) Insertion Loss (dB Max.) Return Loss (dB Min.) Attenuation (dB Min.) Group Delay (nS Max.) ±3.0 MHz 1 MHz-35 MHz 1 MHz-35 MHz 40 MHz 50 MHz 100-500 MHz 1 MHz-35 MHz 42 -1.5 -15 -10 -15 -30 35 • Characteristics Filter Impedance : 75Ω • Schematic 7 1 LPF 14 2:1 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, & 13 Package Dimensions A (Inches) J Pin 1 I.D. N PCA EPB5065G Date Code B Pad Layout Q D P M E C K L H PCA ELECTRONICS, INC 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 F I Dim. Min. Max. Nom. A B C D E F G H I J K L M N P Q .740 .260 .190 --.010 --.390 .016 .008 .070 0° .030 --------- .760 .280 .210 --.020 --.410 .020 .012 .080 8° .050 --------- .750 .270 .200 .600 .015 .100 .400 .018 .010 .075 --.040 .030 .100 .085 .450 (Millimeters) Min. Max. Nom. 18.79 6.60 4.82 --.254 --9.91 .406 .203 1.78 0° .762 --------- 19.3 7.11 5.33 --.508 --10.41 .508 .304 2.03 8° 1.27 --------- 19.05 6.86 5.08 15.24 .381 2.54 10.2 .457 .254 1.91 --1.02 .762 2.54 2.16 11.43 G CSB5065G Rev. 1 9/29/99 Product performance is limited to specified parameters. Data is subject to change without prior notice. TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com