ATM Interface Transformers Designed for 155Mbps ATM applications over UTP-5 cable SMD versions available on Tape & Reel Supports 100 Base-X and Twisted Pair FDDI Electrical Specifications at 25o C Supports either transmit or receive channels PARAMETER TYP. UNITS Insertion Loss (0.1 to 125 MHz) -1.1 dB IEEE 802.3 Compatible Rise Time (10 to 90%) 2.5 ns Low common mode emisions Return Loss: (0.1 to 60 MHz) TX (0.1 to 60 MHz) RX (60 to 100 MHz) TX (60 to 100 MHz) RX -15 -17 -11 -15 dB dB dB dB Differential to Common Mode Rejection (0.1 to 60 MHz) TX (0.1 to 60 MHz) RX (60 to 100 MHz) TX (60 to 100 MHz) RX Crosstalk (0.1 to 60 MHz) (60 to 100 MHz) Isolation Min. Fast Rise Times SCHEMATICS RD-45 -40 -40 -35 dB dB dB dB -40 -38 dB dB 1500 Vrms 16 9 RX+ 13 11 14 RD+ 15 10 RX- TD- 1 8 TX- 7 TX+ 3 TX = TRANSMIT CHANNEL RX = RECEIVE CHANNEL TD+ 4 2 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. .100 (2.54) TYP. Available on Tape & Reel .010 (0.25) TYP. .040 (1.02) TYP. .510 (12.95) .480 (12.19) T-15503 Rhombus P/N: Cust. P/N: Date: 5/22/98 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