Low Pass Filter for Cable Modem Applications ELECTRONICS INC. EPB5109G • Optimized to work with BCM3300 • • Integrated LPF designed to work with • Broadcom BCM 3300, 3137 and 3210 • Robust construction allows for IR/VP processes • 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 - 65 MHz 1 MHz - 65 MHz @ 160 MHz 200 - 300 MHz @ 65 MHz 80 -1.0 -15 -40 -30 20 • Characteristics Filter Impedance : 150Ω • Schematic 14 8 LPF 1 7 2, 3, 12 & 13 - Ground 1 5, 6, 9 & 10 - Ground 2 4 & 11 Not Connected Package Dimensions A N J Pin 1 I.D. PCA EPB5109G Date Code B Pad Layout Q D Dim. Min. 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 --------- P M E K C PCA ELECTRONICS, INC 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 F .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 --------- 19.30 7.11 5.33 --.508 --10.41 .508 .304 .203 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 I L H (Inches) Max. Nom. G CSB5109G Rev. - 5/23/00 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