Token Ring Transceiver Module EPT7082S ELECTRONICS INC. • Optimized for T1380C60 & T1380C30 • • Supports UTP & STP Transmission cables • • Complies with or exceeds IEEE 802.5 Requirements • Electrical Parameters @ Impedance (Ω) [Xmit/Rcv] Insertion Loss (dB) Media Side 150/150 1-16 MHz 32 MHz Max. Return Loss (dB Min.) 36 MHz 1-8 MHz 44 MHz 8-17 MHz -.8 17-24 MHz 1-30 MHz 30-100 MHz 100-200 MHz Crosstalk (dB Min.) 200-300 MHz 1-30 MHz Min. Max. Min. Max. Min. Max. Cable Side Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit 150/100 Common Mode Rejection (dB Min.) -1 -7 -1 -25 -1 -30 -1 -15 -15 -15 Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv Xmit Rcv -15 -10 -10 -8 -30 -40 -30 -35 -30 -20 -20 -40 Schemati 9 PH+ 14 TS+ 15 TU+ TX+ 7 20 RS+ 19 RU+ RX+ 1 3 LPF 4 11 TU12 TS- TX- 8 18 RU17 RS- RX- 2 10 PH- Packag A N Dimensio Dim. P Pin 1 I.D. J PCA EPT7082S Date Code Suggested Solder Pad Layout Q B D M E C F A B C D E F G H I J K L M N P Q H K L (Inches) Min. Max. Nom. (Millimeters) Min. Max. Nom. .615 .990 .205 --.010 --1.135 .016 .008 --0° .025 --------- 15.62 25.15 5.21 --.254 --28.83 .406 .203 --0° .635 --------- .635 1.10 .225 --.015 --1.155 .022 .012 --8° .045 --------- .625 1.00 .215 .450 .013 .050 1.145 .020 .010 .088 --.035 .025 .050 .085 1.185 16.13 27.94 5.72 --.381 --29.34 .559 .304 --8° 1.14 --------- 15.87 25.40 5.46 11.43 .330 1.27 29.08 .508 .254 2.22 --.889 .635 1.27 2.16 30.10 I G PCA ELECTRONICS, INC. 16799 SCHOENBORN ST. NORTH HILLS, CA 91343 CST7082Sa Rev. B1 1/19/99 Product performance is limited to specific parameters. Data subject to change without prior notice. TEL: (818) 892-0761 FAX: (818) 894-5791 http://www.pca.com