Low Pass Filter for Cable Modem Applications ELECTRONICS INC. EPB5055G • Integrated LPF designed to work with • Broadcom BCM 3033,3137 and 3210 • Robust construction allows for IR/VP processes • • Temperature Range -40°C to +85°C • Electrical Parameters @ 25° C Cut-off Frequency Insertion Loss (dB Max.) ± 3.0 MHz 1 MHz - 60 MHz 1 MHz - 60 MHz 65 MHz 75 MHz 68 -1.5 -15 -10 -10 Return Loss (dB Min.) Attenuation (dB Min.) 100 MHz -30 Group Delay (nS Max.) 1Mhz-60 MHz 300-500 MHz -20 35 • Characteristic Filter Impedance : 75 Ω • Schematic 1 7 LPF 14 2:1 2, 3, 4, 5, 6, 8, 9, 10, 11, 12 & 13 Package Dimensions A J Pin 1 I.D. (Inches) N PCA EPB5055G 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 G CSB5055G Rev. 1 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 9/29/99 Product performance is limited to specified parameters. Data is subject to change without prior notice. (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 10.16 .457 .254 1.91 --1.02 .762 2.54 2.16 11.43 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com