10 Base-T Interface Module with Enhanced Common Mode Attenuation ELECTRONICS INC. EPA2852 • 10 Base-T Filter Module • • Available in SMD, DIP and DIL Packages • • Complies with or exceeds IEEE 802.3, 10 Base-T Requirements • Electrical Parameters @ 25° C Cut-off Frequency (MHz) Insertion Loss (dB Max.) Return Loss (dB Min.) ± 1.0 MHz 1-10 MHz 5-10 MHz 16.5 Attenuation (dB Min.) @ 20 MHz @ 25 MHz @ 30 MHz @ 40 MHz Common Mode Rejection (dB Min.) Crosstalk (dB Min.) @1-100 MHz @ 1-10 MHz Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv -1.5 -1.0 -15 -15 -7 -5 -17 -11 -28 -16 -33 -26 -30 -30 • -35 Isolation : meets or exceeds 802.3 IEEE Requirements • Characteristic Filter Impedance : 100 Ω • • Referenced to the Output Level Fundamental Frequency @ 5 MHz • 62Ω Schematic 1 Transit Channel Receive Channel 16 8 261Ω 2 2.2MΩ LPF 2.4KΩ LPF 12 15 7 3 9 49.9Ω 2.2MΩ 10 11 49.9Ω 62Ω 14 6 4 5 261Ω Dimensions Package A Pin 1 I.D. PCA EPA2852 Date Code B E C J PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 F Min. A B C D E F G H I (J) K .890 .390 .415 .700 .020 .100 .290 .016 .008 .100 .120 (Inches) Max. Nom. .910 .400 .435 Typ. .030 Typ. .305 .022 .012 Typ. .140 (Millimeters) Min. Max. Nom. 22.61 10.54 8.38 17.78 .508 2.54 7.37 .406 .203 2.54 3.05 23.11 11.05 8.89 Typ. .762 Typ. 7.75 .559 3.05 Typ. 3.56 I K H Dim. G D CSA2852a Rev. A1 5/21/97 TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pcainc.com