PARAMETER UNITS Turns Ratio (PRI : SEC) 2 : 1+ 1% 3.0 + 6% Inductance mH Primary DCR (9-6) shorted 8,7 2.56 +10% Ω Secondary DCR (2-4) 0.85 +10% Ω Isolation (Hi-Pot) 1500 VRMS HDSL Application Pulse Transformer P/N T-1000 Compatible with Brooktree BT 8921 784 kbps Return Loss: 40 kHz - 200 kHz 20 min. dB Longitudinal Balance 40 kHz - 200 kHz 53 min. dB 0.1+ dB 9 0.40 max. dB 8 -70 max. dB 7 Frequency Response 40 kHz - 200 kHz Insertion Loss at 200 kHz Total Harmonic Distortion Operating Temperature: -40oC to +85oC. Schematic Diagram 2 6 PRI SEC 4 Physical Dimensions in inches (mm) Notch on bobbin indicates pin #1 01/23/98 Rhombus Industries Inc. Transformers & Magnetic Products www.rhombus-ind.com 15801 Chemical Lane, Huntington Beach, CA 92649 Phone: (714) 898-0960 FAX: (714) 896-0971