Low Pass Filter for Cable Modem Applications ELECTRONICS INC. EPE6353G • Optimized for Broadcom BCM3300 • • Built in Attenuator • • Integrated LPF designed to work with • Broadcom BCM3033, 3137 and 3210 • Robust construction allows for IR/VP processes • • Isolation and Impedance matching to meet • Cable Modem Standards • Available in SMD, DIP and DIL Packages • Electrical Parameters @ 25° C Cut-off Frequency (MHz) Insertion Loss (dB Max.) Return Loss (dB Min.) Attenuation (dB Min.) ± 3.0 MHz 5-42 MHz 5-42 MHz @ 70 MHz @ 80 MHz @ 100 MHz @ 200 MHz @ 200-300 MHz 55 -1 -15 -10 -25 -40 -45 -45 Schematic 1 150Ω 16 Isolation Xmfr Attenuator 8 75Ω LPF 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15 Package Dimensions A (Inches) J Pin 1 I.D. N PCA EPE6353G Date Code B Dim. Pad Layout Q D A B C D E F G H I J K L M N P Q P M E C K L H PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 F I Min. Max. Nom. .840 .270 .180 --.010 --.380 .016 .008 --0° .025 --------- .860 .280 .200 --.020 --.400 .022 .012 --8° .045 --------- .850 .275 .190 .700 .015 .100 .390 .018 .010 .045 4° .035 .030 .100 .092 .410 (Millimeters) Min. Max. Nom. 21.34 6.86 4.57 --.254 --9.65 .406 .203 --0° .635 --------- 21.84 7.11 5.08 --.508 --10.16 .559 .304 --8° 1.143 --------- 21.59 6.99 4.83 17.78 .381 2.54 9.91 .457 .254 1.143 4° .889 .762 2.54 2.34 10.41 G CSE6353G Rev. 2 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