PARAMETER T-940 UNITS Turns Ratio 2 : 1 +1% Line Impedance 135 Ω Inductance (Line Side) 5.0 +6% mH Longitudinal Balance 40 kHz to 200 kHz 53 min. dB Primary DC Resistance 3.5 Max. Ω Secondary DC Resistance 2.2 Max. Ω Frequency Response 40kHz - 300kHz +0.2 dB Insertion Loss @ 200kHz HDSL TRANSFORMER Designed for HDSL applications 0.4 Compatible with Brooktree BT8960 at 288 kbps Custom versions of this transformer are available. A Surface Mount version of this transformer is available dB Isolation (HI-POT) 1500 VRMS Primary DC 100 mA Return Loss @ 40kHz 17 min. dB THD (40 KHz, 14 dBm) -70 Min. dB SCHEMATIC DIAGRAM: 1 9 4 2 7 Physical Dimensions in inches (mm) 5 Line Side Pins 1-4 + 2-5 Device Side Pins 9-7 PIN POSITION GRID 0.100 (2.54) HOLES FOR BOBBIN PINS 10 9 8 7 6 1 2 3 4 5 Rhombus Industries Inc. Transformers & Magnetic Products 1/22/96 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971 www.rhombus-ind.com