ATM Interface Transformers Designed for 155Mbps ATM applications over UTP-5 cable schematic Supports 100 Base-X and Twisted Pair FDDI TX Supports either transmit or receive channels IEEE 802.3 Compatible 1 16 2 15 3 14 6 11 7 10 8 9 Low common mode emisions Fast Rise Times RX Electrical Specifications at 25o C Turns Ratio (TX : 1CT : 1CT) (RX : 1CT 1CT) OCL (100KHz & 100 mVRMS @8mA) ..... 350 µH Min. Rise Time (10-90%) ................................. 2.0 ns Typ. Cross Talk Attenuation ........................... -30 dB Min. CMRR (1-100MHz) ................................. -40 dB Typ. Isolation ............................................. 1500 VRMS Min. Insertion Loss (1-100 MHz) .......................1.0 dB Max. Return Loss (5-100 MHz) ........................... 15 dB Typ. TX = TRANSMIT CHANNEL RX = RECEIVE CHANNEL Dimensions in Inches (mm) 1.0 (25.40) MAX. .410 (10.41) MAX. .260 (6.60) .300 MAX. (7.62) MAX. .020 (0.51) TYP. .010 (0.25) TYP. .040 (1.02) TYP. .510 (12.95) .480 (12.19) .100 (2.54) TYP. SMD versions available on Tape & Reel T-15505 Rhombus P/N: Cust. P/N: Date: 4/28/99 Rhombus Industries Inc. Transformers & Magnetic Products www.rhombus-ind.com Name: Sheet: 1 of 1 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Phone: (714) 898-0960 z FAX: (714) 896-0971